Periódicos / Periodic / Numered

Periódicos / Periodic / Numered
Última Actualización: 2 de Diciembre de 2016 / Update 2016, December 2. (cometas.liada [AT] gmail.com)

(596) Scheila (P/1906 UA)
2015 May  5.81 UT: m(R)=14.8 CCD + R filter, Dia.=6″, DC=9; Alexander Baransky (Kyiv comet station MPC 585, Ukraine) [No trace of cometary activity]
2012 May. 29.19 UT: m1=11.9, Dia.=–, DC=9; 22cm L (60x); Marco Goiato (Araçatuba, Brasil)
2012 May. 27.04 UT: m1=12.0, DC=9; 22cm L (120x); Marco Goiato (Araçatuba, Brasil)
2012 May. 12.06 UT: m1=12.3, DC=9; 18cm L (160x); Alexandre Amorim (Florianopolis, Brazil)
2012 May. 11.03 UT: m1=12.3, DC=9; 18cm L (160x); Alexandre Amorim (Florianopolis, Brazil)
2012 May. 10.04 UT: m1=12.3, DC=9; 18cm L (160x); Alexandre Amorim (Florianopolis, Brazil)
2011 Abr. 05.01 UT: m1=13.8, Dia.= –, DC=9; 20cm SCT (100x); Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España ) [Apariencia estelar. Estrellas de comparación de la fotometría Henden del campo 3C232]
2011 Mar. 07.04 UT: m1=13.5, Dia.= –, DC=9; 20cm SCT (100x); Juan José González (Aralla, alt. 1430 m., León, España) [Apariencia estelar. Estrellas de comparación de la fotometría Henden cerca de 3C232. Cielo muy claro de montaña]
2011 Feb. 05.08 UT: m1=13.6, Dia.= –, DC=9; 20cm SCT (100x); Juan José González (Valle Peral – Lena, alt. 940 m., Asturias, España) [Apariencia estelar. Estrellas de comparación de la fotometría Henden cerca de 3C232. Cielo muy claro de montaña]
2011 Ene. 15.21 UT: m1=13.8, Dia.= –, DC=9; 20cm SCT (100x); Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España) [Apariencia estelar, sin observarse coma post-outburst.Estrellas de comparación de la fotometría Henden cerca de 3C232. Cielo muy claro de montaña]
2010 Dic. 17.17 UT: m1=11.5, Dia.=3.5′, DC=s2/; 20cm SCT (100x); Juan José González (Aralla, alt. 1440 m., León, España) [Apariencia cometaria. Condensación central estelar, m2=13.9. Coma asimétrica, con débil región exterior. Extensión en forma de cola de longitud 7′ en AP 290º. Estrellas de campo comprobadas en el DSS. Estrellas de comparación para m2 tomadas de la fotometría Henden del sector de AK Cnc. Cielo muy claro de montaña]
2010 Dic. 14.09 UT: m1=11.7, Dia.=2.5′, DC=s2/; 20cm SCT (100x); Juan José González (Aralla, alt. 1440 m., León, España) [Apariencia cometaria. Condensación central estelar, m2=13.8. Coma asimétrica, con débil región exterior. Extensión en forma de cola de longitud 4′ en AP 290º. Estrellas de campo comprobadas en el DSS. Estrellas de comparación para m2 tomadas de la fotometría Henden del sector de AK Cnc. Cielo muy claro de montaña]

333P/LINEAR
2016 Mar. 30.80 UT: m1=13.0, Dia.=0.8′, DC=3; 60.3-cm L (188x); Sandor Szabo (Sopron, Hungary)
2016 Mar. 22.42 UT: m1=12.0, Dia.=1.0′, DC=2; 40.0-cm L f/4.5 (144x); Seiichi Yoshida (Ibaraki, Japan)
2016 Mar. 20.80 UT: m1=13 DSLR, Dia.=1′; 1100d+300mm lens; Giuseppe Pappa (Sicily, Italy)
2016 Mar. 11.85 UT: m1=11.7, Dia.=1.5′, DC=2, no cola; 20-cm SCT (80x); Carlos Labordena (Castellón, España)
2016 Mar. 10.95 UT: m1=11.5, Dia.=1.5′, DC=2: 22-cm L (160x); Marco Antonio Coelho Goiato (Araçatuba, Brazil)
2016 Mar. 10.85 UT: m1=11.8, Dia.=1′, DC=5; 11.4-cm L f/8 (45x); Neil Norman (Ipswich, England)
2016 Mar. 09.80 UT: m1=11.8, Dia.=0.5′; 32.0-cm L f/5 (144x); Uwe Pilz (Leipzig, Germany)
2016 Mar. 07.854 UT: m1=11.8,Dia=1′, DC=2; 11.4-cm L f/8 (45x); Neil Norman (Ipswich, England)
2016 Mar. 07.78 UT: m1=11.7 DSLR, Dia.=1′; 1100d+300mm lens; Giuseppe Pappa (Sicily, Italy)
2016 Mar. 07.74 UT: m1=11.8, Dia.=1′, DC=3; 25.5-cm L (120x); Danil Sidorko (Korenovsk, Russia)
2016 Mar. 05.90 UT: m1=11.3, Dia.=2.0′, DC=3; 20-cm SCT (100x); Juan José González (El Chano – Riofrío, alt. 990 m, León, España)
2016 Mar. 03.42 UT: m1=12.6, Dia.=0.6′, DC=2; 40.6-cm L f/4 (260x); Paul Camilleri (Warners Bay, Australia)

329P/LINEAR-Catalina
2016 Jan. 29.85 UT: m1=[15.3, NEGATIVE; 60.3-cm L (305x); Sandor Szabo (Sieggraben, Austria) [a nearby bright star is disturbing]

325P/Yang-Gao
2015 Oct. 04.43 UT: m1=17.5: CCD, Dia.=&0.2′; [T31] 0.50-m f/6.8 astrograph + CCD + focal reducer; A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely from Siding Spring, Australia)

320P/McNaught
2015 Aug. 18.48 UT: m1=19.7 CCD; [T31] 0.50-m f/6.8 astrograph + CCD + focal reducer; A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely from Siding Spring, Australia)

319P/Catalina-McNaught
2015 Oct. 04.60 UT: m1=18.0: CCD, Dia.=&0.3′, Tail=&0.9′ in PA 267 deg.; [T31] 0.50-m f/6.8 astrograph + CCD + focal reducer; A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely from Siding Spring, Australia)

318P/McNaught-Hartley
2015 Nov. 11.82 UT: m1=15.2, Dia.=0.4′, DC=4; 60.3-cm L (305x); Sandor Szabo (Sopron, Hungary)
2015 Oct. 16.39 UT: m1=15.3 CCD, Dia.=0.5′, Tail=1.2′ in PA: 62 deg.; [T31] 0.50-m f/6.8 astrograph + CCD + focal reducer; A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely from Siding Spring, Australia)
2015 Sep. 27.45 UT: m1=15.3: CCD, Dia.=&0.3′; [T31] 0.50-m f/6.8 astrograph + CCD + focal reducer; A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely from Siding Spring, Australia) [interference by Moon: Moon phase 0.99, altitude 45 deg.]
2015 Sep. 07.57 UT: m1=13.8 CCD, Dia.=1.1′, Tail=1.4′ in PA 296 deg.; [T17] 0.43-m f/6.8 astrograph + CCD; A. Novichonok & T.Prystavski (iTelescope observatory, Q62 remotely Siding Spring, Australia)
2015 Aug. 20.54 UT: m1=14.1 CCD, Dia.=0.9′, Tail=1.2′ in PA 281 deg.; [T31] 0.50-m f/6.8 astrograph + CCD + focal reducer; A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely from Siding Spring, Australia)

309P/LINEAR
2014 Mar. 23.78 UT: m1=18.0 CCD + R filter, Dia.=11″, DC 6, Tail=27″ in PA: 68 deg.; 70-cm f/4 L + CCD; Alexander Baransky (Kyiv comet station MPC 585, Ukraine)

305P/Skiff
2014 Dec. 20.80 UT: m1=16.2 CCD, Dia.=0.36′, Tail=1.0′ in PA: 59 deg.; [T16] 0.15-m f/7.3 refractor + CCD; A. Novichonok & T. Prystavski (AstroCamp Observatory, I89 remotely from Nerpio, Spain)
2014 Nov. 25.06 UT: m1=16.3 CCD, Dia.=0.24′, Tail=0.7′ in PA: 84 deg.; [T20] 0.1-m f/5.0 astrograph + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, H06, remotely from Mayhill, U.S.A.)
2014 Oct. 08.46 UT: m1=17.0 CCD, Dia.=0.4′; [T31] 0.50-m f/6.8 astrograph + CCD + focal reducer; A. Novichonok & T. Prystavski (iTelescope observatory, Q62, remotely from Siding Spring, Australia) [images obtained during lunar eclipse to avoid moonlight interference]

300P/Catalina
2014 June 04.82 UT: m1=13.1: CCD, Dia.=&1.1′; 0.11m f/5.0 refractor + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely from Siding Spring, Australia) [uncertainty in brightness due to part of observatory’s wall probably being caught by telescope, twilight]
2014 May  28.76 UT: m1=13.3, Dia.=1’, DC=2; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Outer edges of coma diffused and tapering to a slightly brighter inner coma, weakly condensed, visible in good seeing, interference from zodiacal light and glare from Venus, low altitude = 16.4°]
2014 Apr. 30.80 UT: m1=12.9 CCD, Dia.=1.5′; 0.11m f/5.0 refractor + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely Siding Spring, Australia)
2014 Apr. 28.78 UT: m1=13.0: CCD, Dia.=&1.5′; 0.32-m f/7.4 Ritchey-Chretien + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely Siding Spring, Australia) [possible short tail = 0.3′ in PA 269 deg]

293P/Spacewatch
2013 Nov. 11.07 UT: m1=20.1: CCD; 0.40-m f/8 Ritchey-Chretien + CCD; V.Gerke & T.Prystavski (Ka-Dar observatory, TAU station C32, remotely Nizhniy Arkhyz, Russia) [faint starlike comet; 2 frames were co-added for the photometry]

291P/NEAT
2013 Oct. 14.02 UT: m2=17.5 CCD, Tail=0.3′ in PA 238 deg.; 0.40-m f/8 Ritchey-Chretien + CCD; V.Gerke & T.Prystavski (Ka-Dar observatory, TAU station C32, remotely Nizhniy Arkhyz, Russia)
2013 Aug. 14.99 UT: m1=17.6: CCD; 0.40-m f/8 Ritchey-Chretien + CCD; V.Gerke & T.Prystavski (Ka-Dar observatory, TAU station C32, remotely Nizhniy Arkhyz, Russia) [poor quality images]

290P/Jäger
2014 June 25.35 UT: m1=14.8: CCD, Dia.=&0.7′; 0.32-m f/7.4 Ritchey-Chretien + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, Q62 Remotely from Siding Spring, Australia) [diffuse and faint coma with central condensation]
2014 May  21.37 UT: m1=13.8: CCD, Dia.=&1.8′; 0.32-m f/7.4 Ritchey-Chretien + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely Siding Spring, Australia)
2014 May  19.85 UT: m1=13.3, Dia.=1.2’, DC=1; 50.8cm L (189x); Sandor Szabo (Sopron, Hungary) [Very diffuse comet]
2014 May  08.81 UT: m1=12.8 DSRL, Dia.=1′, DC=2; 0.3m lens +ccd; Giuseppe Pappa (Sicily, Italy)
2014 May  08.11 UT: m1=14.7 CCD, Dia.=0.4’; Measures taken on CCD images unfiltered; Pierre Laporte (Cd’OA des Monts Notre-Dame, Québec, Canada)
2014 May  03.50 UT: m1=[13.1, negative; 40.0cm L f/4.5 (257x); Seiichi Yoshida (Gunma, Japan)
2014 May  01.14 UT: m1=[11.0, negative; 15cm SCT (36x); Salvador Aguirre (Hermosillo, Sonora, Mexico)
2014 Apr. 30.86 UT: m1=13.3, Dia.=0.8′, DC=4; 50.8cm L (189x); Sandor Szabo (Sopron, Hungary)
2014 Apr. 20.40 UT: m1=14.1 CCD, Dia.=1.0′; 0.32-m f/7.4 Ritchey-Chretien + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, Q62. Remotely Siding Spring, Australia)
2014 Mar. 30.14 UT: m1=13.6, Dia.=0.8′, DC=2; 40.6cm L f/4.5 (183x); Todd Augustyniak (Harmon, Illinois, USA) [Diffuse with slight brightening near center; formed a triangle with two 15 magnitude stars]
2014 Mar. 28.85 UT: m1=12.7, Dia.=1.1′, DC=4; 50.8cm L (189x); Sandor Szabo (Sopron, Hungary)
2014 Mar. 25.26 UT: m1=13.7: CCD, Dia.=1.2′; 0.1-m f/5.0 astrograph + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, H06. Remotely Mayhill, U.S.A.)
2014 Mar. 22.41 UT: m1=12.9, Dia.=0.7’, DC=2; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma very diffuse, difficult to observe among crowded star field, no tail]
2014 Feb. 28.79 UT: m1=12.8, Dia.=1.3′, DC=7; 32cm L f/5 (96x); Uwe Pilz (Leipzig, Germany)
2014 Feb. 21.11 UT: m1=12.5: CCD, Dia.=&2.3′; 0.11-m f/5.0 refractor + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, H06. Remotely Mayhill, U.S.A.)
2014 Feb. 19.14 UT: m1=[11.5; 15cm SCT (36x); Salvador Aguirre (Hermosillo, Sonora, Mexico)
2014 Feb. 04.78 UT: m1=11.8, Dia.=3′, DC=4; 42cm L f/5 (81x); Martin Lehky (Hradec Kralove, Czech Republic)
2014 Feb. 03.86 UT: m1=12.0, Dia.=3.5′, DC=4; 42cm L f/5 (81x); Martin Lehky (Hradec Kralove, Czech Republic)
2014 Feb. 01.47 UT: m1=13.8, Dia.=1.0’, DC=1; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Crowded by stars, difficult, no tail, visible in periods of good seeing]
2014 Jan. 30.47 UT: m1=13.0, Dia.=0.8’, DC=2; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Close to mag 8.2 star, difficult observation, no tail]
2014 Jan. 29.47 UT: m1=12.8, Dia.=0.8’, DC=3; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [No tail, coma diffuse with brighter inner coma though not stellar]
2014 Jan. 28.49 UT: m1=12.7, Dia.=1.1’, DC=2/3; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma close to mag 13 star, inner coma slightly brighter than the transparent outer coma. Coma appears circular, no tail]
2014 Jan. 25.85 UT: m1=12.0, Dia.=3′, DC=4; 42cm L f:5 (81x); Martin Lehky (Czech Republic)
2014 Jan. 19.07 UT: m1=12.1: CCD, Dia.=&2.6′, Tail=3.0′ in PA 289 deg.; 0.11-m f/5.0 refractor + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, H06. Remotely Mayhill, U.S.A.)
2014 Jan. 04.87 UT: m1=12.3, Dia.=1.2′, DC=3; 20cm SCT f:10 (80x); Carlos Labordena (Castellón, España)
2014 Jan. 04.48 UT: m1=12.5, Dia.=1’, DC=2; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [No tail, inner coma slightly brighter than edges, weakly condensed]
2014 Jan. 04.12 UT: m1=11.8, Dia.=1.5′, DC=4; 22cm L (160x); Marco Goiato (Araçatuba, Brasil)
2013 Dec. 30.78 UT: m1=11.3, Dia.=1′, DC=4; 32cm L (96x); Uwe Pilz (Leipzig, Germany)
2013 Dec. 27.35 UT UT: m1=12.3 CCD, Dia.=2.57′ Tail=3.2′ in PA 277 deg; [T14]0.11-m f/5.0 refractor + CCD; A. Novichonok & T.Prystavski (iTelescope observatory, H06, remotely Mayhill, U.S.A.)
2013 Dec. 07.68 UT: m1=13.6, Dia.=0.8’, DC=2; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Close to mag 13.4 star, coma very diffuse, no tail visible, Alt = 17.5°]
2013 Dec. 05.68 UT: m1=13.6, Dia.=1’, DC=2; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma small and diffuse, no tail. Seeing difficult at times due to windy conditions, low alt: 17.5°]
2013 Dic. 04.98 UT: m1=12.7, Dia.=0.8′, DC=5; 20cm SCT (133x); Juan José González (Cueto Rosales – Riello, alt. 1420 m, León, España) [Estrellas de campo comprobadas en el DSS. Cometa próximo a estrella de mag. 14.2 (GSC). Estrellas de comparación de la fotometría APASS cercana al cometa]
2013 Dec. 04.84 UT: m1=12.9 CCD, Dia.=1.4′ Tail=1.6′ in PA 257 deg; 0.078-m f/1.7 camera lens + CCD; S. Korotkiy & T. Prystavski (Ka-Dar observatory, TAU station, remotely Nizhniy Arkhyz, Russia)
2013 Dec. 02.13 UT: m1=12.8, Dia.=0.7′, DC=2; 32cm L f:5 (144x); Uwe Pilz (Leipzig, Germany)
2013 Dec. 01.13 UT: m1=12.8, Dia.=0.7′, DC=2; 32cm L f:5 (144x); Uwe Pilz (Leipzig, Germany)
2013 Nov. 30.14 UT: m1=13.9, Dia.=0.4′, DC=4/; 40cm L (300x); Timo Karhula (Åkesta observatory, Västerås, Sweden) [Faint stellar nucleus]
2013 Nov. 27.87 UT: m1=14.0, Dia.=1.0′, DC=4; 50.8cm L (123x); Sandor Szabo (Sopron, Hungary) [Much brighter than 2.5 weeks ago. With 307x: short tail is seen to the west]
2013 Nov. 08.01 UT: m1=14.7, Dia.=0.7′, DC=4; 50.8cm L (307x); Sandor Szabo (Sieggraben, Austria)
2013 Nov. 05.13 UT: m1=15.2 CCD, Dia.=0.4’; CCD images unfiltered; Pierre Laporte (Cd’OA des Monts Notre-Dame, Québec, Canada)
2013 Oct. 28.90 UT: m1=14.3 CCD, Dia.=1.15′, Tail=2.0′ in PA 278 deg.; 0.40-m f/8 Ritchey-Chretien + CCD; V.Gerke & T. Prystavski (Ka-Dar observatory, TAU station C32, remotely Nizhniy Arkhyz, Russia)
2013 Oct. 13.77 UT: m1=14.6, Dia.=0.4′, DC=5; 40.0cm L f/4.5 (257x); Seiichi Yoshida (Gunma, Japan)
2013 Oct. 12.77 UT: m1=[14.5; 40.0cm L f/4.5 (257x); Seiichi Yoshida (Gunma, Japan) [Near limit. Looks similar to a faint background stars]
2013 Oct. 11.73 UT: m1=[13.8; 40.0cm L f/4.5 (144x); Seiichi Yoshida (Gunma, Japan) [Near limit. Looks similar to a faint background stars]
2013 Oct. 04.03 UT: m1=15.6, Dia.=0.4′, DC=2; 50.8cm refl. (307x); Sandor Szabo (Sieggraben, Austria) [Motion was checked in 80 minutes period]
2013 Oct. 01.39 UT: m1=15.6 CCD, Dia.=0.35′, Tail<0.7′ in PA: 269 deg.; 0.11-m f/5.0 refractor + CCD; A. Novichonok & T.Prystavski (iTelescope observatory, H06. Remotely Mayhill, U.S.A.)
2013 Aug. 11.32 UT: m1=17.8, DC=4; Visual Aperture 36″ F/3.5; Jean-François Viens (Cd’OA, Monts Notre-Dame, Québec, Canada)
2013 Aug. 11.30 UT: m1=17.8′, DC=7; 36″ F/3.5; Jean-François Viens (Cd’OA des Monts Notre-Dame, Québec, Canada)
2013 Aug. 03.41 UT: m1=17.5 CCD; 0.43-m f/4.5 astrograph + CCD; A. Novichonok & T. Prystavski (iTelescope observatory H06. Remotely Mayhill, U.S.A.)

289P/Blanpain
2014 June 28.44 UT: m1=[11.4, negative; 15cm SCT (75x); Salvador Aguirre (Hermosillo, Sonora, Mexico)

285P/LINEAR
2013 Oct. 14.07 UT: m1=19.5: CCD; 0.40-m f/8 Ritchey-Chretien + CCD; V.Gerke & T.Prystavski (Ka-Dar observatory, TAU station C32. Remotely Nizhniy Arkhyz, Russia) [faint comet passage against NGC1977 nebula]

284P/McNaught
2015 Jan. 16.07 UT: m1=16.1 CCD, Dia.=0.4′; [T20] 0.1-m f/5.0 astrograph + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, H06 remotely from Mayhill, U.S.A.)
2014 Dec. 20.79 UT: m1=15.9 CCD, Dia.=0.48′; [T16] 0.15-m f/7.3 refractor + CCD; A. Novichonok & T. Prystavski (AstroCamp Observatory, I89 remotely from Nerpio, Spain)
2014 Nov. 23.17 UT: m1=15.2 CCD, Dia.=0.6′, Tail=&3.6′ in PA: 43 deg.; [T20] 0.1-m f/5.0 astrograph + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, H06, remotely from Mayhill, U.S.A.)
2014 Oct. 25.48 UT: m1=14.1, Dia.=0.7′, DC=4; 40.0cm L f/4.5 (257x); Seiichi Yoshida (Gunma, Japan)
2014 Oct. 18.87 UT: m1=14.5, Dia.=0.5’, DC=3; 50.8cm L (245x); Sandor Szabo (Sopron, Hungary)
2014 Oct. 12.41 UT: m1=14.6 CCD, Dia.=0.54′, Tail=1.4′ in PA: 23 deg.; [T12]0.11m f/5.0 refractor + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely from Siding Spring, Australia)
2014 Sep. 28.10 UT: m1=15.5, DC=4; Visual 36″ F/3.5; Jean-François Viens (Cd’OA des Monts Notre-Dame, Québec, Canada)
2014 Sep. 22.65 UT: m1=13.9, Dia.=0.7′, DC=3; 40cm L f/4.5 (257x); Seiichi Yoshida (Gunma, Japan)
2014 Sep. 16.57 UT: m1=13.7 CCD, Dia.=1.1′, Tail=&3.6′ in PA: 273 deg.; [T12] 0.11m f/5.0 refractor + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, Q62, remotely from Siding Spring, Australia)
2014 Sep. 14.49 UT: m1=13.8: CCD, Dia.=&1.0′, Tail=3.1′ in PA: 275 deg.; [T9] 0.32-m f/7.4 Ritchey-Chretien + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, Q62, remotely from Siding Spring, Australia)
2014 Aug. 31.48 UT: m1=14.4: CCD, Dia.=&0.5′, Tail= &3′ in PA: 262 deg.; 0.32-m f/7.4 Ritchey-Chretien + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, Q62, remotely from Siding Spring, Australia)
2014 Aug. 28.01 UT: m1=14.2, Dia.=0.9′, DC=4; 40cm L (230x); Jakub Cerny (Zachotin, Czech Republic)
2014 Aug. 27.96 UT: m1=14.3, Dia.=0.6’, DC=3; 50.8cm L (307x); Sandor Szabo (Hungary)
2014 Aug. 24.15 UT: m1=14.5, DC=3; Visual, 36″ F/3.5; Jean-François Viens (Cd’OA des Monts Notre-Dame, Québec, Canada)
2014 July 19.60 UT: m1=16.3 CCD, Dia.=0.31′, Tail=1.3′ in PA: 248 deg.; 0.43-m f/6.8 astrograph + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely Siding Spring, Australia)
2014 July 19.36 UT: m1=15.7 CCD, Dia.=0.56′; 0.43-m f/6.8 astrograph + CCD; A. Novichonok & T.Prystavski (iTelescope observatory, Q62 remotely Siding Spring, Australia)
2014 Apr. 28.76 UT: m1=17.5 CCD; 0.32-m f/7.4 Ritchey-Chretien + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely Siding Spring, Australia)
2014 Apr. 02.78 UT: m1=18.3: CCD; 0.32-m f/7.4 Ritchey-Chretien + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, Q62. Remotely Siding Spring, Australia) [2 single images were co-added for the photometry]

280P/Larsen
2013 Apr. 30.82 UT: m1=18.0 CCD, Dia.=0.28′; 0.40-m f/8 Ritchey-Chretien + CCD; V.Gerke & T.Prystavski (Ka-Dar observatory, TAU station C32, remotely Nizhniy Arkhyz, Russia)

278P/2013 B1 (McNaught)
2013 Apr. 30.84 UT: m1=18.6 CCD, Dia.=0.22′; 0.40-m f/8 Ritchey-Chretien + CCD; V.Gerke & T.Prystavski (Ka-Dar observatory, TAU station C32, remotely Nizhniy Arkhyz, Russia)

274P/Tombaugh-Tenagra
2013 Apr. 30.77 UT: m1=17.6 CCD, Dia.=0.29′, Tail=0.4′ in PA 123 deg.; 0.40-m f/8 Ritchey-Chretien + CCD; V.Gerke & T.Prystavski (Ka-Dar observatory, TAU station C32, remotely Nizhniy Arkhyz, Russia)
2013 Apr. 29.13 UT: m1=17.6 CCD, Dia.=0.26′, Tail=0.4′ in PA 119 deg.; 0.43-m f/4.5 astrograph + CCD; A. Novichonok & T.Prystavski (iTelescope observatory, H06 (remotely Mayhill, U.S.A.)
2013 Feb. 07.86 UT: m1=16.7 CCD, Dia.=0.4′, Tail<0.7′ in PA 155 deg; 0.40-m f/8 Ritchey-Chretien + CCD; V.Gerke & T.Prystavski (Ka-Dar observatory, TAU station C32, remotely Nizhniy Arkhyz, Russia)
2013 Jan. 15.95 UT: m1=16.6 CCD, Dia.=0.4′, Tail=0.6′ in PA 236 deg; 0.40-m f/8 Ritchey-Chretien + CCD; V.Gerke & T.Prystavski (Ka-Dar observatory, TAU station C32, remotely Nizhniy Arkhyz, Russia)

273P/2012 V4 (Pons-Gambart)
2013 Jun. 02.20 UT: m1=16.3 CCD, Dia.=0.6′; 0.11-m f/5.0 refractor + CCD; A. Novichonok & T.Prystavski (iTelescope observatory, H06 (remotely Mayhill, U.S.A.)
2013 Jun. 01.26 UT: m1=16.1 CCD, Dia.=0.58′; 0.43-m f/4.5 astrograph + CCD; A. Novichonok & T.Prystavski (iTelescope observatory, H06, remotely Mayhill, U.S.A.)
2013 May. 28.10 UT: m1=17.6 CCD; CCD images unfiltered; Clermont Vallière (Cd’OA des Monts Notre-Dame, Québec, Canada)
2013 May. 27.15 UT: m1=17.4 CCD; CCD images unfiltered; Clermont Vallière (Cd’OA des Monts Notre-Dame, Québec, Canada)
2013 May 11.92 UT: m1=[14.0, Dia.=!0.5; 30cm L f/5 (167x);  Mieczyslaw Leszek Paradowski (Dabrowa, Poland) [Cat.(AQ), comet alt. 57 deg. Faintest star 15.1 mag (AQ) near the comet in FOV. The comet was not seen]
2013 Apr. 30.18 UT: m1=14.1 CCD, Dia.=1.5′; 0.11-m f/5.0 refractor + CCD; A. Novichonok & T.Prystavski (iTelescope observatory, H06 (remotely Mayhill, U.S.A.)
2013 Avr. 22.18 UT: m1=15.9 CCD; Measures taken on CCD images unfiltered; Clermont Vallière (Cd’OA des Monts Notre-Dame, Québec, Canada)
2013 Apr. 13.88 UT: m1=13.5, Dia.=1.8’, DC=1; 50.8cm reflector (189x); Sandor Szabo (Hungary)
2013 Apr. 07.76 UT: m1=13.6, Dia.=1.2′, DC=2; 40.0cm L f/4.5 (144x); Seiichi Yoshida (Ibaraki, Japan)
2013 Mar. 31.07 UT: m1=12.0, DC=2; Visual, Aperture 36″ F/3.5; Jean-François Viens (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada)
2013 Mar. 20.11 UT: m1=13.0, Dia.=1.3’, DC=3; 50.8cm L (187x); Sandor Szabo (Hungary)
2013 Mar. 07.45 UT: m1=12.0, Dia.=1´, DC=8, Tail: Not visible; 15cm SCT (37x); Salvador Aguirre (Hermosillo, Sonora, Mexico)
2013 Mar. 06.03 UT: m1=12.3, Dia.=1′, DC=3; 25cm L (77x); Maciej Macidym (Chlebna, Poland) [Bad conditions, comet visible on bright background. NELM near comet was 5.5mag]
2013 Mar. 05.86 UT: m1=11.1 CAC; 500D + 200mm lens f/2.8; Man-To Hui (Canton, China)
2013 Mar. 05.08 UT: m1=12.8, Dia.=2′, DC=3/; 42cm L f:5 (81x); Martin Lehky (Hradec Kralove, Czech Republic)
2013 Mar. 05.01 UT: m1=11.3, Dia.=5.8′, DC=3; 35cm L (107x); Jakub Cerny (Rep. Checa)
2013 Feb. 24.33 UT: m1=11.0, Dia.=2′, DC=3; 22cm L (160x); Marco Goiato (Araçatuba, Brasil)
2013 Feb. 17.47 UT: m1=11.2, Dia.=2.0′, DC=3; 30.5cm L (115x); Todd Augustyniak (Woodstock, Illinois, USA)
2013 Feb. 15.80 UT: m1=10.8, Dia.=2.1′, DC=5; 40cm L f/4.5 (144x); Seiichi Yoshida (Ibaraki, Japan)
2013 Feb. 11.17 UT: m1=10.8, Dia.=2′, DC=1; 32cm L f/5 (144x); Uwe Pilz (Leipzig, Germany)
2013 Feb. 09.19 UT: m1=9.6, Dia.=5′, DC=4, Cola: 0.1º en AP:300º; 20cm SCT (77x); Juan José González (Peña Nebina – Ferreruela de Tábara, alt. 940 m, Zamora, España)
2013 Feb. 08.167 UT: m1=9.7, Dia.=5-6′, DC=d2-3, Tail: 0.16 deg. in PA:60-65 deg.; 0.13m reflc. (26x, 54x); Gabor Santa (Nagy-Hideg-hegy, Hungary)
2013 Ene. 20.27 UT: m1=8.7, Dia.=6′, DC=4, Cola:0.3º en AP:310º; 20cm SCT (77x); Juan José González (Perilla de Castro, alt. 730 m, Zamora, España) [Comienzo del crepúsculo astronómico. Altura sobre el horizonte: 15º. Cielo muy claro de montaña]
2012 Dec. 09.69 UT: m1=9.5, Dia.=2′, DC=5; 50.8cm (164x); Sandor Szabo (Sopron, Hungary)  [Alt. just 4 degrees, comet is a round patch]
2012 Dec. 08.95 UT: m1=8.9 (S), Dia.=2.5′, DC=4; 22cm L (60x); Marco Goiato (Araçatuba, Brasil) [Nautical twilight, comet altitude: 14º, sun altitude: -12º]
2012 Dic. 08.77 UT: m1=8.6, Dia.=5′, DC=4, Cola:0.15º en AP:80º; 20cm SCT (77x); Juan José González (Alto del Trichero – Soto y Amío, alt. 1190 m, León, España )[ m2=11.3 (Tycho-2). Altura sobre el horizonte: 5º. Cielo muy claro de montaña. Estrellas de comparación a la misma baja altura que el cometa]
2012 Dec. 08.73 UT: m1=10.7, Dia.=3′, DC=3, Cola: no visible; 23.5cm SCT (67x); Carlos Labordena (Castellón, España)
2012 Dec. 06.43 UT: m1=9.4, Dia.=2.6’, DC=4; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [No tail, comet altitude low, bushfire smoke near horizon affected observation. Method=M; Cat=TK]
2012 Dec. 05.42 UT: m1=9.3, Dia.=2’, DC=5; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Weak central condensation, small, diffuse and offset to the NE with coma appearing broad and fan-like from North to East by South-West. The inner coma enhances in Swan Band filter more so than the outer edges of the coma. Method=M; Cat=TK]
2012 Dec. 04.95 UT: m1=9.3, Dia.=3′, DC=4/; 25×100 B; Jose G. de S. Aguiar (Campinas, Brazil)
2012 Dec. 04.42 UT: m1=9.3, Dia.=2.5’, DC=4/5; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Bright inner coma, almost stellar, slight elongation to WNW, coma brightness gradually falls off toward edges, enhances well in Swan Band filter. Method= M; Cat= TK]
2012 Dec. 04.08 UT: m1=10.2, Dia.=2´, DC=2, Tail: Not visible; 15cm SCT (37x); Salvador Aguirre (Hermosillo, Sonora, Mexico)
2012 Dec. 03.96 UT: m1=9.0 (S), Dia.=3′, DC=5; 22cm L (60x); Marco Goiato (Araçatuba, Brasil)
2012 Dec. 03.95 UT: m1=9.5, Dia.=3′, DC=4 ; 25×100 B; Jose G. de S. Aguiar (Campinas, Brazil)
2012 Dec. 03.455 UT: m1=9.5, Dia.=2′, DC=5; 11.4cm f8 L (43x); (Rob Kaufman, Bright, Vic, Australia) [Small coma moderately condensed, no tail visible; bright inner coma visible in brief glimpses in poor seeing; low elevation in west, sky brightness. Ref=NOMAD1 data in ViZier; Method=M]
2012 Dic. 02.77 UT: m1=9.1, Dia.=4′, DC=3/; 20cm SCT (77x); Juan José González (Alto del Trichero – Soto y Amío, alt. 1190 m, León, España) [Altura sobre el horizonte: 5º. Cielo muy claro de montaña. Estrellas de comparación a la misma baja altura que el cometa]
2012 Dec. 02.46 UT: m1=9.3, Dia.=3′, DC=5; 20cm L (57x); Michael Mattiazzo (Castlemaine, Victoria, Australia)
2012 Dec. 02.44 UT: m1=9.8, Dia.=2.0′, DC=4; 20cm Dobson; Con Stoitsis (Clonbinane, Victoria, Australia)
2012 Dec. 02.43 UT: m1=10.4, Dia.=2′, DC=2/3, Tail: Not visible; 25×100 B; Will Godward (Moonta, South Australia, Australia)
2012 Dec. 02.35 UT: m1=10.5, Dia.=2′, DC=2, Tail: Not visible; 40cm Dob f/4.5 (69x); Will Godward (Moonta, South Australia, Australia)
2012 Dec. 02.03 UT: m1=11.2 CCD, Dia.=1.4′; 30.5cm schmidt-cassegrain; Jakub Cerny [robotic telescope FRAM in Malargue, Argentina]

272P/NEAT
2013 Feb. 07.90 UT: m1=17.6 CCD, Dia.=0.23′, Tail=0.2′ in PA 234 deg.; 0.40-m f/8 Ritchey-Chretien + CCD; V.Gerke & T.Prystavski (Ka-Dar observatory, TAU station C32, remotely Nizhniy Arkhyz, Russia)

269P/Jedicke
2015 Mar. 11.89 UT: m1=15.9 CCD, Dia.=0.55′; [T16] 0.15-m f/7.3 refractor + CCD; A. Novichonok & T.Prystavski (AstroCamp Observatory, I89 remotely from Nerpio, Spain)
2015 Mar. 18.88 UT: m1=[15.5 NEGATIVE; 50.8 cm L (307x); Sandor Szabo (Sopron, Hungary)
2015 Feb. 17.02 UT: m1=15.0 CCD + R filter, Dia.=23″, DC 5, Tail=3’15” in PA: 287 deg.; 70-cm f/4 L + CCD; Alexander Baransky (Kyiv comet station MPC 585, Ukraine)
2015 Feb. 10.99 UT: m1=14.9 CCD + R filter, Dia.=26″, DC 5, 70-cm f/4 L + CCD; Alexander Baransky (Kyiv comet station MPC 585, Ukraine) [Fan-shaped coma]
2015 Feb. 22.44 UT: m1=16.1: CCD, Dia.=0.2′; [T9] 0.32-m f/7.4 Ritchey-Chretien + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely from Siding Spring, Australia)
2015 Jan. 15.01 UT: m1=15.2 CCD + R filter, Dia.=20″, DC 4, Tail=1’30” in PA: 288 deg.; 70-cm f/4 L + CCD; Alexander Baransky (Kyiv comet station MPC 585, Ukraine)
2015 Jan. 14.92 UT: m1=16.0 CCD, Dia.=0.3′; [T16] 0.15-m f/7.3 refractor + CCD; A. Novichonok & T.Prystavski (AstroCamp Observatory, I89 remotely from Nerpio, Spain)
2014 Nov. 25.46 UT: m1=16.5: CCD, Dia.=0.3′, Tail=1.1′ in PA: 290 deg.; [T20] 0.1-m f/5.0 astrograph + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, H06, remotely Mayhill, U.S.A.)
2014 Oct. 02.47 UT: m2=17.0 CCD; [T21] 0.43-m f/6.8 astrograph + CCD + f/4.5 focal reducer; A. Novichonok & T. Prystavski (iTelescope observatory, H06, remotely Mayhill, U.S.A.) [couldn’t estimate coma diameter and total brightness because of poor limiting magnitude images obtained]
2014 Aug. 31.47 UT: m1=16.1 CCD, Dia.=0.4′; 0.51-m f/4.5 reflector + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, H06, remotely from Mayhill, U.S.A.)
2013 Oct. 14.06 UT: m1=17.5 CCD, Dia.=0.24′, Tail=0.2′ in PA 265 deg.; 0.40-m f/8 Ritchey-Chretien + CCD; V.Gerke & T.Prystavski (Ka-Dar observatory, TAU station C32, remotely Nizhniy Arkhyz, Russia)

262P/McNaught-Russell
2013 Mar. 24.02 UT: m1=16.1 CCD, Dia.=0.4’; Measures taken on CCD images unfiltered; Clermont Vallière (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada) [comparison star 3UCAC 176-016386 mag.=16.46]
2013 Mar. 05.75 UT: m1=13.1, Dia.=1.1′, DC=2; 42cm L f:5 (81x); Martin Lehky (Hradec Kralove, Czech Republic)
2013 Mar. 04.78 UT: m1=14.6, Dia.=0.8’, DC=1; 50.8cm reflector (250x); Sandor Szabo (Sopron, Hunagry) [Large, diffuse comet but easily seen]
2013 Mar. 04.75 UT: m1=13.0, Dia.=1.2′, DC=2; 42cm L f:5 (81x); Martin Lehky (Hradec Kralove, Czech Republic)
2013 Feb. 10.77 UT: m1=11.5, Dia.=1′, DC=1; 32cm L f/5 (144x); Uwe Pilz (Leipzig, Germany)
2013 Jan. 27.98 UT: m1=15.9 CCD, Dia.=0.3’; Measures taken on CCD images unfiltered; Clermont Vallière (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada) [comparison star 3UCAC 165-005764 mag.=16.35]
2013 Ene. 13.82 UT: m1=10.5, Dia.=9′, DC=2; 20cm SCT (77x); Juan José Gonzalez (Alto de la Garandilla – Escuredo, alt. 1150 m, León, España) [Amplia coma, difusa, elongada y asimétrica]
2013 Jan. 11.76 UT: m1=11.6, Dia.=2.5′, DC=3; 50.8cm L (78x); Sandor Szabo (Hungary)
2013 Ene. 07.79 UT: m1=11.3, Dia.=4′, DC=2, no cola; 23.5cm SCT (67x); Carlos Labordena (Castellón, España)
2013 Jan. 06.44 UT: m1=11.4, Dia.=4.3’, DC=1; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Coma diffuse, inner coma slightly brighter but broad across coma centre, no tail. Method=S; Cat=AQ]
2013 Jan. 06.09 UT: m1=11.8 CCD (V), Dia.=3.2′; 11cm R + CCD; Artyom Novichonok (remotely from Mayhill, U.S.A.)
2013 Jan. 05.99 UT: m1=13.02 CCD, Dia.=1.0’; Measures taken on CCD images unfiltered; Clermont Vallière (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada) [comparison star 3UCAC 165-002261 mag.=14.21]
2013 Jan. 04.99 UT: m1=11.5 (S), Dia.=2′, DC=2/; 22cm L (160x); Marco Goiato (Araçatuba, Brasil)
2013 Jan. 04.45 UT: m1=11.2, Dia.=4.3’, DC=1; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Coma large, diffuse edges with slight central brightening but broadly formed. Averted vision. Method= S; Cat= AQ]
2013 Jan. 03.83 UT: m1=10.8, Dia.=5′, DC=2; 20cm SCT (77x); Juan José González (Aralla, alt. 1440 m, León, España)
2013 Jan. 03.44 UT: m1=10.6, Dia.=4.5’, DC=1; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Coma diffuse, slightly condensed at centre, no tail. Method= S; Cat= TK]
2013 Jan. 02.98 UT: m1=14.60 CCD, Dia.=0.4’; Measures taken on CCD images unfiltered; Clermont Vallière (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada) [comparison star 3UCAC 165-001768 mag.=14.51]
2012 Dec. 24.00 UT: m1=13.9 CCD, Dia.=0.3’; Measures taken on CCD images unfiltered; Clermont Vallière (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada)
2012 Dec. 16.67 UT: m1=[10.5; 20cm L (80x); Artyom Novichonok (Konchezero, Russia) [Light pollution sky zone (Petrozavodsk pollution), alt. near 20 deg.]
2012 Dec. 16.02 UT: m1=12.8 CCD, Dia.=0.8’; Clermont Vallière (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada)
2012 Dec. 13.43 UT: m1=10.8, Dia.=6.1’, DC=1/2; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Coma large and diffuse, no tail. Diffuse patch of light about 4’ of the inner coma diameter, slightly brighter than the coma edge. Averted vision shows outer coma well, Swan Band filter does not enhance coma. Method=S; Cat=AQ]
2012 Dec. 11.97 UT: m1=13.6 CCD, Dia.=0.3’; Clermont Vallière (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada)
2012 Dec. 10.46 UT: m1=11.2, Dia.=3′; 25.4cm L (71x); David A. J. Seargent (Cowra, NSW, Australia) [Very low surface brightness, little changed through Swan Band filter. In 25×100 B, marginally glimpsed as a vague “presence”]
2012 Dec. 09.70 UT: m1=11.7, Dia.=2′, DC=2; 50.8cm (123x); Sandor Szabo (Sopron, Hungary)
2012 Dic. 08.87 UT: m1=10.7, Dia.=6′, DC=2; 20cm SCT (77x); Juan José González (Alto del Trichero – Soto y Amío, alt. 1190 m, León, España ) [ Movimiento seguido durante 30 minutos. Estrellas de campo comprobadas en el DSS. Cielo muy claro de montaña]
2012 Dec. 06.44 UT: m1=11.0, Dia.=4’, DC=0/1; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [No tail, coma quite diffuse, smallest hint of gradual brightening to centre in periods of god visibility using averted vision, difficult due to smoke haze from local bushfires. Method=S; Cat=TA]
2012 Dec. 05.71 UT: m1=13.1, Dia.=1′, DC=2; 32cm L f:5 (120x); Uwe Pilz (Leipzig, Germany)
2012 Dec. 05.43 UT: m1=11.0, Dia.=4.1’, DC=0/1; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Coma large and diffuse, even brightness across coma, visible using averted and direct vision, outer coma best viewed with averted vision. Method=S; Cat=TA]
2012 Dec. 04.43 UT: m1=11.3, Dia.=3’, DC=0/1; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Coma close to background star, very diffuse, almost transparent and even surface brightness, slightly enhances with Swan Band filter, averted vision. Method=S; Cat=TA]
2012 Nov. 24.37 UT: m1=[11.7; 40.0cm L f/4.5 (144x); Seiichi Yoshida (Gunma, Japan)
2012 Nov. 17.94 UT: m1=14.7, DC=3; Visual Aperture 91cm F:3.5; Jean-François Viens (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada)
2012 Nov. 17.75 UT: m1=14.9 CCD, Dia.=0.3’; Clermont Vallière (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada)
2012 Nov. 12.83 UT: m1=13.2, Dia.=1.5′, DC=4; 20cm SCT (133x); Juan José González (Pandorado, alt. 1190 m, León, España) [Débil coma externa. Movimiento seguido durante 30 minutos. Estrellas de campo comprobadas en el DSS. Estrellas de comparación de la fotometría APASS cercana al cometa. Cielo muy claro de montaña]
2012 Nov. 11.77 UT: m1=15.2 CCD, Dia.=0.4’; Clermont Vallière (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada)
2012 Oct. 20.85 UT: m1=[14.0, Dia.=!0.2′; 20.3cm L (150x); Mieczyslaw Leszek Paradowski (Dabrowa, Poland) [The comet not seen. Comparison stars taken from ASAS-3 (AU)]
2012 Sep. 09.85 UT: m1=[15.3; 50.8cm L (351x); Sandor Szabo (Sopron, Hungary) [Position is in a rich star field. Fainter than 15.3 mag]
2012 Sep. 08.85 UT: m1=[14.7, Dia.=1.0′; 35cm reflector (64x); Jakub Cerny (Senohraby, Czech Republic)

261P/Larson
2012 Sept. 13.10 UT: m1=16.5, DC=4; Visual Aperture 36″ F/3.5; Jean-François Viens (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada)

260P/McNaught
2013 Feb. 07.84 UT: m1=16.9 CCD, Dia.=0.48′, Tail=0.8′ in PA 229 deg.; 0.40-m f/8 Ritchey-Chretien + CCD; V.Gerke & T.Prystavski (Ka-Dar observatory, TAU station C32, remotely Nizhniy Arkhyz, Russia)
2013 Jan. 15.90 UT: m1=15.6 ccd, Dia.=0.7′, Tail=2.7′ in PA 221 deg; 0.40-m f/8 Ritchey-Chretien + CCD; V.Gerke & Tapac Prystavski (Ka-Dar observatory, TAU station C32, remotely Nizhniy Arkhyz, Russia)
2013 Jan. 06.10 UT: m1= 17.17 ccd, Dia.=0.3’; Measures taken on CCD images unfiltered; Clermont Vallière (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada) [comparison star 3UCAC 259-019557 mag.=15.86]
2012 Dec. 31.07 UT: m1= 17.0 ccd, Dia.=0.6’; Measures taken on CCD images unfiltered; Clermont Vallière (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada) [comparison star 3UCAC 260-017185 mag.=16.66]
2012 Dec. 24.07 UT: m1=15.6 ccd, Dia.=0.1’; Measures taken on CCD images unfiltered; Clermont Vallière (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada)
2012 Dec. 12.11 UT: m1=15.1 ccd, Dia.=0.3; Clermont Vallière (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada)
2012 Dec. 04.08 UT: m1=[11.3; 15cm SCT (37x); Salvador Aguirre (Hermosillo, Sonora, Mexico)
2012 Nov. 24.77 UT: m1=12.7, Dia.=1.6′, DC=4; 40.0cm L f/4.5 (144x); Seiichi Yoshida (Gunma, Japan)
2012 Nov. 17.95 UT: m1=16.5, DC=6; Visual Aperture 10,2cm; Jean-François Viens (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada)
2012 Nov. 17.05 UT: m1=15.2 ccd, Dia.=0.6; Clermont Vallière (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada)
2012 Nov. 14.26 UT: m1=14.6 ccd, Dia.=0.5′, tail=0,9′ in PA:199°; Clermont Vallière (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada)
2012 Nov. 13.77 UT: m1=12.9, Dia.=1′; 32cm reflector; Uwe Pilz (Leipzig, Germany)
2012 Nov. 11.95 UT: m1=13.8 ccd, Dia.=0.5’, tail=4,0′ in PA:189°; Clermont Vallière (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada)
2012 Nov. 11.04 UT: m1=13.0 ccd, Dia.=0.7’, tail=1,6′ in PA:216°; Clermont Vallière (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada)
2012 Nov. 06.91 UT: m1=10.7, Dia.=3′, DC=3; 20cm SCT (100x); Juan José González (Pandorado, alt. 1190 m, León, España)
2012 Nov. 04.84 UT: m1=10.5, Dia.=4′, DC=3; 20cm SCT (100x); Juan José González (Collada del Fresno – Sierra del Aramo, alt. 1221 m, Asturias, España) [Coma asimétrica]
2012 Oct. 24.07 UT: m1=12.5 ccd, Dia.=0.5’, tail=1,0′ in PA:218°; Clermont Vallière (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada)
2012 Oct. 21.09 UT: m1=[11.0; 15cm SCT (37x); Salvador Aguirre (Hermosillo, Sonora, Mexico)
2012 Oct. 20.92 UT: m1=12.3, Dia.=1′, DC=4; 20.3cm L (71x); Mieczyslaw Leszek Paradowski (Dabrowa, Poland) [Comparison stars taken from APASS (AQ)]
2012 Oct. 17.12 UT: m1=12.4 ccd, Dia.=0.6’, tail=3,9′ in PA:232°; Clermont Vallière (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada)
2012 Oct. 13.94 UT: m1=11.3, Dia.=3′, DC=3, Cola=5′; 23.5cm SCT (94x); Carlos Labordena (Castellón, España)
2012 Oct. 13.12 UT: m1=12.8 ccd, Dia.=0.5’, tail=0,9′ in PA:218°; Clermont Vallière (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada)
2012 Oct. 12.83 UT: m1=12.6, Dia.=1.5′, DC=5; 20.3cm L f:6 (63x); Piotr Guzik (Szklary, Poland) [Method=S; Cat=TT]
2012 Oct. 12.00 UT: m1=12.5, Dia.=1.5′, DC=5; 20.3cm L f:6 (63x); Piotr Guzik (Krosno, Poland) [Method=S; Cat=TT]
2012 Oct. 09.79 UT: m1=12.2, Dia.=0,7′, DC=2; 32cm L f:5 (48x); Uwe Pilz (Leipzig, Germany)
2012 Oct. 09.29 UT: m1=11.9 ccd, Dia.=0.9′; 30.5cm schmidt-cassegrain; Jakub Cerny [robotic telescope FRAM in Malargue, Argentina]
2012 Oct. 09.10 UT: m1=13.1 ccd, Dia.=0.1’, tail=2,5′ in PA:230°; Clermont Vallière (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada)
2012 Oct. 09.10 UT: m1=[11.7; 15cm SCT (37x); Salvador Aguirre (Hermosillo, Sonora, Mexico)
2012 Oct. 06.93 UT: m1=11.8, Dia.=4′, DC=3; 20cm SCT (98x); Stephen McCann (Southampton, England)
2012 Oct. 05.86 UT: m1=10.6, Dia.=5′, DC=3/; 20cm SCT (77x); Juan José González (Ranedo de Curueño, alt. 1075 m, León, España) [Coma asimétrica]
2012 Sep. 24.69 UT: m1=12.5, Dia.=1.5’, DC=4; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Close to bright stars making observation difficult, diffuse outer coma almost even in brightness to the centre where it peaks into an almost stellar condensation. Method=M; Cat=TA]
2012 Sept. 24.30 UT: m1=12.7 ccd, Dia.=0.4’, tail: 2.1′ PA 234°; Measures taken on CCD images); Clermont Vallière (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada)
2012 Sep. 23.03 UT: m1=11.4, Dia.=2.5′, DC=6; 20.3cm L f:5.9 (71x); Mieczyslaw Leszek Paradowski (Dabrowa, Poland) [Comparison stars taken from APASS (AQ)]
2012 Sept. 21.17 UT: m1=12.3; Visual; Pierre Laporte (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada)
2012 Sept. 21.16 UT: m1=12.7 ccd, Dia.=0.6’, tail: 3.4′ PA 297°; Measures taken on CCD images); Laporte (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada)
2012 Sep. 20.56 UT: m1=12.3, Dia.=1.6’, DC=3/4; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [No tail, diffuse coma with small and slightly brighter diffuse central condensation. Method=M; Cat=TA]
2012 Sep. 18.00 UT: m1=12.8, Dia.=1.1′, DC=6; 35.6cm L (133x); Artyom Novichonok (Shadzhatmaz, Caucasus, Russia) Condensed, moderately bright
2012 Sept. 17.35 UT: m1=12.4 ccd, Dia.=0.2’, tail: 1.5′ PA 266°; Measures taken on CCD images); Clermont Vallière (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada)
2012 Sep. 16.20 UT: m1=12.3 ccd, Dia.=1.0′; 30.5cm schmidt-cassegrain; Jakub Cerny [robotic telescope FRAM in Malargue, Argentina]
2012 Sep. 15.97 UT: m1=11.9, Dia.=1.5′, DC=5; 20.3cm L f:5.9 (71x); Mieczyslaw Leszek Paradowski (Dabrowa, Poland) [Comparison stars taken from APASS (AQ)]
2012 Sep. 15.92 UT: m1=12.5, Dia.=1.5′, DC=6; 35.6cm L (133x); Artyom Novichonok (Shadzhatmaz, Caucasus, Russia)
2012 Sep. 15.77 UT: m1=12.4, Dia.=2.4′, DC=6/; 40.0cm L f/4.5 (75x); Seiichi Yoshida (Gunma, Japan)
2012 Sep. 15.02 UT: m1=13.2, Dia.=0.9′, DC=6/; 35.6cm L (133x); Artyom Novichonok (Shadzhatmaz, Caucasus, Russia)
2012 Sep. 14.99 UT: m1=12.6, Dia.=1′; 32cm reflector; Uwe Pilz (Leipzig, Germany)
2012 Sep. 14.68 UT: m1=12.8, Dia.=1.7’, DC=2; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [No tail, small central condensation with luminous inner coma fading to edges, slightly elongated to SW, does not enhance in Swan Band filter. Method=S; Cat=TA]
2012 Sep. 13.97 UT: m1=11.4, Dia.=2.0′, DC=4; 20cm SCT (100x); Juan José González (Alto del Castro – Aralla, alt. 1720 m, León, España)
2012 Sep. 13.91 UT: m1=12.4, Dia.=2.2′, DC=7; 35cm reflector (107x); Jakub Cerny (Senohraby, Czech Republic)
2012 Sep. 13.21 UT: m1=12.4 ccd, Dia.=1.0′; 30.5cm schmidt-cassegrain; Jakub Cerny [robotic telescope FRAM in Malargue, Argentina]
2012 Sept. 13.13 UT: m1=13.5, DC=5; Visual Aperture 36″ F/3.5; Jean-François Viens (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada)
2012 Sep. 12.91 UT: m1=12.8, Dia.=1.2′, DC=6; 35.6cm L (133x); Artyom Novichonok (Shadzhatmaz, Caucasus, Russia)
2012 Sep. 11.90 UT: m1=13.1, Dia.=0.7′, DC=6; 35.6cm L (133x); Artyom Novichonok (Shadzhatmaz, Caucasus, Russia)
2012 Sep. 11.20 UT: m1=13.0 ccd, Dia.=0.9′; 30.5cm schmidt-cassegrain; Jakub Cerny [robotic telescope FRAM in Malargue, Argentina]
2012 Sep. 11.00 UT: m1=13.2 ccd + V filter, Dia.=0.8′; 15cm L f:5; Mieczyslaw Leszek Paradowski (Lublin, Poland) [Calibration stars registered on the same 10 frames taken from APASS (AQ)]
2012 Sep. 09.93 UT: m1=12.7, Dia.=0.7′, DC=4; 50.8cm L (189x); Sandor Szabo (Sopron, Hungary) [Coma is diffuse toward PA 240 deg.]
2012 Sep. 09.57 UT: m1=12.7, Dia.=0.9’, DC=2; 25cm L f:5 (83x); Chris Wyatt, Walcha, NSW, Australia) [Coma very diffuse, observation made difficult due to local smoke haze from nearby hazard reduction burns. Method=S; Cat=TA]
2012 Sep. 08.85 UT: m1=12.4, Dia.=1′.3, DC=6; 35cm reflector (64x); Jakub Cerny (Senohraby, Czech Republic)
2012 Sep. 06.91 UT: m1=11.0, Dia.=2.5′, DC=3; 20cm SCT (100x); Juan José González (Llamas de Rueda, alt. 990 m, León, España)
2012 Aug. 24.75 UT; m1=13.2, Dia.=0.5’, DC=3/4; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma small, close to bright 13.9 mag star coupled with the central condensation of the coma almost gives the appearance of 2 stars in close proximity except comet is more diffuse, averted vision. Method= S; Cat=AQ]
2012 Aug. 22.05 UT: m1=12.6, Dia.=1.1′, DC=5, tail 0.03 deg in PA 240 deg; 30cm L f:5 (100x); Mieczyslaw Leszek Paradowski (Dabrowa, Poland) [Comparison stars taken from APASS (AQ). Nearby field stars checked in DSS. 14.28 mag (AQ) star in coma. Coma elongated in PA 240deg]
2012 Ago. 22.02 UT: m1=11.8, Dia.=1.3′, DC=3/; 20cm SCT (77x); Juan José González (Alto del Castro – Aralla, alt. 1720 m, León, España) [Más brillante que lo esperado ].
2012 Aug. 20.35 UT: m1=12.3 ccd, Dia.=0.9′; 30.5cm schmidt-cassegrain; Jakub Cerny (Czech Republic) [robotic telescope FRAM in Malargue, Argentina]
2012 Aug. 19.70 UT: m1=13.0, Dia.=1.6′, DC=6; 40.0cm L f/4.5 (75x); Seiichi Yoshida (Gunma, Japan)
2012 Aug. 18.34 UT: m1=12.9 ccd, Dia.=0.9′; 30.5cm schmidt-cassegrain; Jakub Cerny (Czech Republic) [robotic telescope FRAM in Malargue, Argentina]
2012 Aug. 16.34 UT: m1=13.1 ccd, Dia.=0.8′; 30.5cm schmidt-cassegrain; Jakub Cerny (Czech Republic) [robotic telescope FRAM in Malargue, Argentina]
2012 July 20.27 UT: m1=15.0, DC=4; Visual Aperture 36” F/3.5; Jean-François Viens (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada)
2012 Jul. 19.04 UT: m1=[14.7, Dia.=0′.8; 35cm reflector (117x); Jakub Cerny (Korcula Island, Croatia)

257P/Catalina
2013 Oct. 12.95 UT: m1=16.1 CCD, Dia.=0.5′, Tail=6.3′ in PA 262 deg.; 0.40-m f/8 Ritchey-Chretien + CCD; V.Gerke & T.Prystavski (Ka-Dar observatory, TAU station C32, remotely Nizhniy Arkhyz, Russia)
2013 Oct. 08.68 UT: m1=16.2 CCD, Dia.=0.44′, Tail=4.4′ in PA 263 deg.; 0.40-m f/8 Ritchey-Chretien + CCD; V.Gerke & T.Prystavski (Ka-Dar observatory, TAU station C32, remotely Nizhniy Arkhyz, Russia)
2013 Oct. 03.96 UT: m1=[15.8; 50.8cm refl. (307x); Sandor Szabo (Hungary) [NEGATIVE, fainter than 15.8 mag.]
2013 Sep. 06.96 UT: m1=[15.8, NEGATIVE; 50.8cm L (307x); Sandor Szabo (Hungary) [Comet is not seen, fainter than 15.8 mag]
2013 Aug. 11.26 UT: m1=17.3, DC=3; Visual Aperture 36″ F/3.5; Jean-François Viens (Cd’OA, Monts Notre-Dame, Québec, Canada)
2013 May 08.43 UT: m1=18.1 CCD, Dia.=0.16′, Tail=0.3′ in PA 264 deg.; 0.43-m f/4.5 astrograph + CCD; A. Novichonok & T.Prystavski (iTelescope observatory, H06 (remotely Mayhill, U.S.A.)

252P/LINEAR
2016 June 11.95 UT: m1=11.9, Dia.=2.5′, DC=0; 30-cm L f/5 (60x); Mieczyslaw Leszek Paradowski (Dąbrowa, Poland)
2016 June 06.89 UT: m1=[10.7 NEGATIVE, Dia.=1.9′; 20×80 B; Marek Biely (Brno, Czech Republic) [It must have faded out very rapidly as there was no sign of comet in predicted position. Fainter than 10.7 mag. Slight interference of astronomical twilight]
2016 June 03.83 UT: m1=11.5 DSRL, Dia.=4′; 1100d+300mm lens; Giuseppe Pappa (Mascalucia, Sicily, Italy)
2016 June 04.96 UT: m1=10.4, Dia=5′, DC=1, no cola; 20-cm SCT (50x); Carlos Labordena (Castellón, España)
2016 June 03.56 UT: m1=[12.5; 40.0-cm L f/4.5 (144x); Seiichi Yoshida (Gunma, Japan)
2016 June 01.00 UT: m1=10.0, Dia.=6′, DC=0; 20-cm SCT (77x); Juan José González (Alto del Castro – Aralla, alt. 1720 m, León, España)
2016 May  30.56 UT: m1=11.0:, Dia.=5′, DC=0; 40.6-cm L (76x); Paul Camilleri (Warners Bay, Australia)
2016 May  30.51 UT: m1=11.6, Dia.=5.1’, DC=0; 25-cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Very diffuse and difficult. Does not enhance with Swan Band filter]
2016 May  29.95 UT: m1=9.8, Dia.=7′, DC=2, no cola; 20-cm SCT (50x); Carlos Labordena (Castellón, España)
2016 May  27.95 UT: m1=15.7 CCD, Dia.=0.50′, DC=9; 25-cm L f/4.7; Sergey Shurpakov (Baran’, Belarus)
2016 May  27.94 UT: m1=9.9, Dia.=10′, DC=2: 20×1000 B; Martin Lehky ((Hradec Kralove, Czech Republic)
2016 May  27.03 UT: m1=9.4, Dia.=8′, DC=2; 22-cm L (60x); Marco Antonio Coelho Goiato (Araçatuba, Brazil)
2016 May  26.98 UT: m1=9.8, Dia.=10′, DC=2: 20×1000 B; Martin Lehky ((Hradec Kralove, Czech Republic)
2016 May  22.85 UT: m1=8.5, Dia.=10′, DC=1; 20×80 B; J. P. Navarro Pina (El Palmar, Murcia, Spain)
2016 May  15.76 UT: m1=9.2, Dia.=10′, DC=1; 8-cm B (20x); Paul Camilleri (Warners Bay, Australia)
2016 Mayo 15.09 UT: m1=8.2, Dia.=12′, DC=2; 25×100 B; Juan José González (Cueto Rosales, alt. 1420 m, León, España ).
2016 May  15.08 UT: m1=8.7, Dia.=10′, DC=2, no cola; 15-cm T (45x); Carlos Labordena (Castellón, España)
2016 May  14.76 UT: m1=9.3, Dia.=8′, DC=1; 8-cm R (12x); Paul Camilleri (Warners Bay, Australia)
2016 May  14.25 UT: m1=9.0, Dia.=8’, DC=1, Cola: no visible; 25-cm T (40x); Alberto Anunziato (Oro Verde, Argentina)
2016 May  14.17 UT: m1=8.4, Dia.=12′, DC=2/; 20×100 B; Marco Antonio Coelho Goiato (Araçatuba, Brazil)
2016 May  13.74 UT: m1=9.3, Dia.=8′, DC=1; 8-cm B (20x); Paul Camilleri (Warners Bay, Australia)
2016 May  12.76 UT: m1=9.1, Dia.=8′, DC=1; 8-cm B (20x); Paul Camilleri (Warners Bay, Australia)
2016 May  11.75 UT: m1=8.8, Dia.=10′, DC=1; 8-cm B (20x); Paul Camilleri (Warners Bay, Australia)
2016 May  10.75 UT: m1=8.4, Dia.=&10′, DC=1; 8-cm B (20x); Paul Camilleri (Warners Bay, Australia) [Comet was located close to a magnitude 7.3 star which made the estimate of the coma difficult so only an approximate diameter could be given]
2016 May  09.95 UT: m1=7.9, Dia.=12′, DC=1/; 20×80 B; Marek Biely (Brno, Czech Republic)
2016 May  09.76 UT: m1=8.0, Dia.=12.0′, DC=1; 8-cm B (20x); Paul Camilleri (Warners Bay, Australia)
2016 May  08.91 UT: m1=9.0, Dia.=10′, DC=1/; 13-cm L (65x); Alexsandr Morozov (Novozybkov, Russia)
2016 May  08.89 UT: m1=12.4 CCD, Dia.=1.12′, DC=6; 0.20-m L+CCD; Sergey Shurpakov, Baran’, Belarus, A98)
2016 May  08.88 UT: m1=8.3, Dia.=15′, DC=1; 20×80 B; Marek Biely (Brno, Czech Republic) [This time it was fainter and more diffuse]
2016 May  08.00 UT: m1=8.1, Dia.=&15, DC=0; 15×80 B; Alex Scholten (Eerbeek, Netherlands)
2016 May  07.90 UT: m1=7.3, Dia.=15′, DC=2/; 20×80 B; Marek Biely (Brno, Czech Republic) [It seemed to be much brighter than a night ago, probably due to better sky conditions.]
2016 May  07.90 UT: m1=8.8, Dia.=12′.3, DC=3; 35-cm L (62x); Jakub Cerny (Senohraby, Czech Republic)
2016 May  06.94 UT: m1=8.2, Dia.=12′, DC=2; 20×80 B; Marek Biely (Brno, Czech Republic)
2016 May  06.76 UT: m1=7.8, Dia.=15′, DC=2; 8-cm B (20x); Paul Camilleri (Warners Bay, Australia)
2016 May  06.17 UT: m1=7.7, Dia.=15′, DC=2; 7×50 B; Marco Antonio Coelho Goiato (Araçatuba, Brazil)
2016 May  06.03 UT: m1=12.1 CCD, Dia.=1.7′, DC=6/; 25-cm L+CCD; Sergey Shurpakov (Baran’,Belarus)
2016 May  05.76 UT: m1=7.8, Dia.=12′, DC=2; 8-cm B (20x); Paul Camilleri (Warners Bay, Australia)
2016 May  05.01 UT: m1=7.9, Dia.=&15′,  DC=0; 15×80 B; Alex Scholten (Eerbeek, Netherlands)
2015 May  04.75 UT: m1=7.6, Dia.=12′, DC=2; 8-cm B (20x); Paul Camilleri (Warners Bay, Australia)
2016 May  04.72 UT: m1=8.5, Dia.=10′, DC=3; 40.0-cm L f/4.5 (36x); Seiichi Yoshida (Gunma, Japan)
2016 May  04.71 UT: m1=7.9, Dia.=16′, DC=1; 10×70 R; Seiichi Yoshida (Gunma, Japan)
2016 May  04.65 UT: m1=7.5, Dia.=20’, DC=2; 7×50 B; Chris Wyatt (Walcha, NSW, Australia) [Enhances well in Swan Band filter, no tail. Outer coma semi-transparent brightening slightly to a weakly condensed centre]
2016 May  04.19 UT: m1=7.4, Dia.=15′, DC=2; 7×50 B; Marco Antonio Coelho Goiato (Araçatuba, Brazil)
2016 May  03.96 UT: m1=8.1, Dia.=10′, DC=1/; 13-cm L (26x); Alexsandr Morozov (Novozybkov, Russia)
2016 May  03.86 UT: m1=11.5 CCD, Dia.=6′, DC=2; 20-cm L+CCD; Danil Sidorko (Korenovsk, Russia)
2016 May  03.70 UT: m1=7.4, Dia.=12′, DC=3; 8-cm B (20x); Paul Camilleri (Warners Bay, Australia)
2016 May  03.17 UT: m1=7.3, Dia.=18′, DC=2/; 7×50 B; Marco Antonio Coelho Goiato (Araçatuba, Brazil)
2016 May  02.90 UT: m1=8.5, Dia.=15′, DC=1; 20X80 B; J. P. Navarro Pina (Mula, Murcia, Spain)
2016 May  02.77 UT: m1=7.5, Dia.=15′, DC=1; 8-cm B (20x); Paul Camilleri (Warners Bay, Australia)
2016 May  02.01 UT: m1=7.3, Dia.=&16, DC=0; 15×80 B; Alex Scholten (Eerbeek, Netherlands)
2016 May  01.81 UT: m1=7.9, Dia.=12′, DC=2; 25.5-cm L (46.2x); Danil Sidorko (Korenovsk, Russia)
2016 May  01.66 UT: m1=7.9, Dia.=14′, DC=1; 10×70 R; Seiichi Yoshida (Gunma, Japan)
2016 May  01.65 UT: m1=8.9, Dia.=9′, DC=2; 40.0-cm L f/4.5 (36x); Seiichi Yoshida (Gunma, Japan)
2016 May  01.77 UT: m1=7.5, Dia.=12′, DC=1; 8-cm B (20x); Paul Camilleri (Warners Bay, Australia) [Comet was fairly easy to observe with 20x80B, coma appeared vague and of low surface brightness, not sure if this was due to the last quarter Moon light (32% Illuminated)]
2016 May  01.17 UT: m1=7.1, Dia.=20′, DC=3; 7×50 B; Marco Antonio Coelho Goiato (Araçatuba, Brazil)
2016 May  01.05 UT: m1=7.2, Dia.=20′, DC=3; 8-cm B (11x); Carlos Labordena (Desert de les Palmes, Castellón, España)
2016 May  01.05 UT: m1=7.2, Dia.=20′, DC=3, no cola; 8-cm B (11x); Carlos Labordena (Castellón, España)
2016 May  01.00 UT: m1=6.8, Dia.=20′, DC=2/; 10×50 B; Juan José González (Cueto Rosales, alt. 1420 m, León, España)
2016 May  01.00 UT: m1=11.3 CCD, Dia.=1.13′, DC=6; 0.25-m L+CCD; Sergey Shurpakov (Baran’, Belarus)
2016 Apr. 30.99 UT: m1=7.1, Dia.=12′, DC=3; 10×56 B; Sandor Szabo (Hakos, Namibia)
2016 Apr. 30.948 UT: m1=8.0, Dia.=16′, DC=2; 11.4-cm L  f/8 (45x); Neil Norman (Ipswich, England)
2016 Apr. 30.85 UT: m1=8.0, Dia.=15′, DC=2; 7-cm B (15x); Danil Sidorko (Korenovsk, Russia)
2016 Apr. 30.35 UT: m1=7.5, Dia.=15’, DC=2, Tail= no visible; 25-cm T (40x); Alberto Anunziato (Oro Verde, Argentina)
2016 Apr. 29.95 UT: m1=11.6 CCD, Dia.=1.40′, DC=6/; 0.25-m L+CCD; Sergey Shurpakov (Baran’, Belarus)
2016 Apr. 29.90 UT: m1=7.7, Dia.=11′, DC=1/; 20×80 B; Marek Biely (Brno, Czech Republic) [Finally I was able to see it. Very large object almost without any central condensation]
2016 Apr. 29.84 UT: m1=8.0, Dia.=17′, DC=3/; 7-cm B (15x); Danil Sidorko (Korenovsk, Russia)
2016 Apr. 29.03 UT: m1=11.3 CCD, Dia.=6′, DC=6; 15-cm L+CCD; Sergey Shurpakov (Baran’, Belarus)
2016 Apr. 29.01 UT: m1=7.8, Dia.=6′, DC=3; 7-cm R(10x); Sergey Shurpakov (Baran’, Belarus)
2016 Apr. 28.86 UT: m1=7.6, Dia.=16′, DC=1/; 13-cm L (26x); Alexsandr Morozov (Novozybkov, Russia)
2016 Apr. 28.78 UT: m1=7.6, Dia.=10.0′, DC=1; 20.3-cm L (62x); Paul Camilleri (Warners Bay, Australia) [Coma was larger this morning due to less moon light, Comet is very diffuse with very little condensation. Swan filter helps to improve the contrast from the background moon light sky]
2016 Apr. 27.76 UT: m1=7.5, Dia.=8.0′, DC=1; 20.3-cm L (62x); Paul Camilleri (Warners Bay, Australia) [Comet was easier to see with decreasing Moon Light, Coma was larger, Swan filter helped in seeing more coma.  Very diffuse with only a very slight condensation or brightening in the center of the coma]
2016 Apr. 26.77 UT: m1=7.3, Dia.=5.0′, DC=1; 20.3-cm L (61.3x); Paul Camilleri (Warners Bay, Australia) [Comet was observed under 80% Moon Light, was diffuse, Swan filter helped with the contrast of the coma.]
2016 Apr. 24.78 UT: m1=7.4:, Dia.=5′, DC=1; 20.3-cm L (61.3x); Paul Camilleri (Warners Bay, Australia) [Comet diffuse and difficult to observe, swan filter helped a lot with contrast against the bright moon light sky]
2016 Apr. 24.16 UT: m1=8.2, Dia.=3′, DC=3, no tail; 15-cm T (30x); Carlos Labordena (Castellón, España)
2016 Apr. 24.13 UT: m1=7.1, Dia.=15′, DC=2, no tail; 8-cm B (11x); Carlos Labordena (Castellón, España)
2016 Apr. 24.126 UT: m1=7.1, Dia.=15′, DC=2; 11×80 B; Carlos Labordena (Castellón, España)
2016 Apr. 21.76 UT: m1=6.8, Dia.=10.0′, DC=1/; 8-cm B (20x); Paul Camilleri (Warners Bay, Australia) [Observation made under strong full moon light, comet was difficult to observe the moon light washed out the coma]
2016 Apr. 21.05 UT: m1=7.1, Dia.=25′, DC=1/; 20×60 B; Alexsandr Morozov (Novozybkov,Russia)
2016 Apr. 20.76 UT: m1=6.6, Dia.=13.0′, DC=2; 8-cm B (20x); Paul Camilleri (Warners Bay, Australia) [Observation made under strong full Moon light, made observation difficult, washed out the coma]
2016 Apr. 20.11 UT: m1=6.4, Dia.=25′, DC=3, no tail; 8-cm B (11x); Carlos Labordena (Castellón, España)
2016 Apr. 19.79 UT: m1=6.6, Dia.=15.0′, DC=3; 8-cm B (20x); Paul Camilleri (Warners Bay, Australia)
2016 Apr. 19.109 UT: m1=6.4, Dia.=25′, DC=3; 11×80 B; Carlos Labordena (Castellón, España)
2016 Apr. 18.806 UT: m1=6.6, Dia.=-, DC=8; Naked Eye; Rob Kaufman (Bungle Bungles Wilderness Lodge, Purnululu National Park, Western Australia, Australia) [Small, very faint spot, almost stellar but hint of diffuseness visible in averted vision]
2016 Apr. 18.75 UT: m1=6.6, Dia.=15′, DC=3; 8-cm B (20x); Paul Camilleri (Warners Bay, Australia)
2016 Apr. 18.21 UT: m1=6.5, Dia.=22′, DC=3; 7×50 B; Marco Antonio Coelho Goiato (Araçatuba, Brazil) [Moonlight]
2016 Apr. 17.35 UT: m1=6.5, Dia.=25′, DC=3; 8×23 B; Gonzalo Vargas (Cochabamba, Bolivia)
2016 Apr. 17.25 UT: m1=6.4, Dia.=25′, DC=3; 7×50 B; Marco Antonio Coelho Goiato (Araçatuba, Brazil)
2016 Apr. 17.15 UT: m1=6.4, Dia.=20′, DC=3; 15×70 B; Willian Souza (Sao Paulo, Brazil)
2016 Apr. 16.18 UT: m1=6.6, Dia.=9.4′, DC=3/; 8×30 B; Sergey Shurpakov (Baran’, Belarus)
2016 Apr. 16.21 UT: m1=6.2, Dia.=25′, DC=3/; 7×50 B; Marco Antonio Coelho Goiato (Araçatuba, Brazil) [Clouds]
2016 Apr. 16.15 UT: m1=6.3, Dia.=20′, DC=3; 15×70 B; Willian Souza (Sao Paulo, Brazil)
2016 Apr. 15.78 UT: m1=6.2, Dia.=&15′, DC=3; 8-cm B (20x); Paul Camilleri (Warners Bay, Australia)
2016 Apr. 15.74 UT: m1=6.3, Dia.=30′, DC=3; 10x70R; Seiichi Yoshida (Ibaraki, Japan)
2016 Apr. 14.77 UT: m1=6.0, Dia.=20′, DC=3; 8-cm B (20x); Paul Camilleri (Warners Bay, Australia)
2016 Apr. 12.77 UT: m1=6.2, Dia.=20′, DC=2; 8-cm B (20x); Paul Camilleri (Warners Bay, Australia)
2016 Apr. 12.18 UT: m1=6.0, Dia.=30′, DC=4; 7×50 B; Marco Antonio Coelho Goiato (Araçatuba, Brazil)
2016 Apr. 11.77 UT: m1=6.2, Dia.=&15′, DC=2; 8-cm B (20x); Paul Camilleri (Warners Bay, Australia)
2016 Apr. 11.09 UT: m1=6.1, Dia.=~18, DC=1; 8×40 B; Alex Scholten (Eerbeek, Netherlands) [very big and diffuse comet]
2016 Apr. 10.77 UT: m1=6.0, Dia.=30′, DC=2; 8-cm B (20x); Paul Camilleri (Warners Bay, Australia)
2016 Apr. 10.25 UT: m1=6.0, Dia.=30′, DC=4; 7×50 B; Marco Antonio Coelho Goiato (Araçatuba, Brazil)
2016 Apr. 10.25 UT: m1=6.0, Dia.=30′, DC=3; 20-cm f/10 SCT (78x); Willian Souza (Amparo, Brazil)
2016 Apr. 10.20 UT: m1=5.9, Dia.=45′, DC=4; 10-cm f/5 R (21x); Willian Souza (Amparo, Brazil)
2016 Apr. 10.17 UT: m1=5.8, Dia.=45′, DC=4; 10×50 B; Willian Souza (Amparo, Brazil)
2016 Apr. 10.14 UT: m1=5.8, Dia.=35′, DC=4, no tail; 8-cm B (11x); Carlos Labordena (Castellón, España)
2016 Apr. 09.95 UT: m1=5.9, Dia.=25′, DC=3; 20X80 B; J. P. Navarro Pina (El Ardal Mula, Murcia, Spain)
2016 Apr. 09.23 UT: m1=5.9, Dia.=30′, DC=4; 7×50 B; Marco Antonio Coelho Goiato (Araçatuba, Brazil)
2016 Apr. 09.10 UT: m1=6.0, Dia.=~20, DC=1; 8×40 B; Alex Scholten (Eerbeek, Netherlands) [very big and diffuse comet]
2016 Apr. 08.65 UT: m1=6.3, Dia.=30′, DC=3; 10x70R; Seiichi Yoshida (Ibaraki, Japan)
2016 Apr. 08.21 UT: m1=5.8, Dia.=35′, DC=4; 7×50 B; Marco Antonio Coelho Goiato (Araçatuba, Brazil)
2016 Apr. 08.02 UT: m1=6.2, Dia.=22′, DC=3; 5-cm B (10x); Alexsandr Morozov (Novozybkov, Russia)
2016 Apr. 08.01 UT: m1=6.4, Dia.=25′, DC=3/; 13-cm L (26x); Alexsandr Morozov (Novozybkov, Russia)
2016 Apr. 07.21 UT: m1=5.7, Dia.=40′, DC=3/; 7×50 B; Marco Antonio Coelho Goiato (Araçatuba, Brazil)
2016 Apr. 07.18 UT: m1=5.8, Dia.=30′, DC=3; 15×70 B; Willian Souza (Sao Paulo, Brazil)
2016 Apr. 07.17 UT: m1=5.9, Dia.=30′, DC=3; 10-cm f/5 R (21x); Willian Souza (Sao Paulo, Brazil)
2016 Apr. 07.17 UT: m1=5.8, Dia.=20′, DC=3; 15×70 B; Willian Souza (Sao Paulo, Brazil)
2016 Apr. 07.156 UT: m1=5.7, Dia.=35′, DC=3/; 11.4-cm L f/8 (45x); Neil Norman (Ipswich, England)
2016 Apr. 07.153 UT: m1=5.7, Dia.=10, DC=2/; Naked Eye; Neil Norman (Ipswich, England) [With averted vision the comet was located quickly in a perfect sky with the comet at 35 deg elevation]
2016 Apr. 07.10 UT: m1=6.0:, Dia.=~25, DC=1; 8×40 B; Alex Scholten (Eerbeek, Netherlands) [very big and diffuse comet, defocussing-issue]
2016 Abr. 07.06 UT: m1=5.2:, Dia.=50′, DC=3; simple vista; Juan José González (Alto de la Camperona, alt. 1603 m, León, España)
2016 Abr. 07.06 UT: m1=5.6, Dia.=35′, DC=2/; monocular 6×50; Juan José González (Alto de la Camperona, alt. 1603 m, León, España) [Cielo muy claro de montaña]
2016 Apr. 06.72 UT: m1=5.3, Dia.=35’, DC=4; 3.3-cm R (28x); Chris Wyatt (Walcha, NSW, Australia) [Coma large and diffuse with a moderately condensed centre. No tail. Instrument used was a hand held Canon EOS 50mm f/1.8 lens for objective and a 15mm Plossl eyepiece giving a magnification of x3.3]
2016 Apr. 06.70 UT: m1=5.8, Dia.=30’, DC=3/; 7×50 B; Chris Wyatt (Walcha, NSW, Australia) [Coma enhances strongly in Swan Band filter, no tail visible. Semi-transparent outer coma gradually brightening to a broad and moderately compacted centre. Coma colour is blue/green]
2016 Apr. 06.61 UT: m1=5.8, Dia.=30′, DC=2; 8-cm B (20x); Paul Camilleri (Warners Bay, Australia)
2016 Apr. 05.23 UT: m1=5.9, Dia.=25′, DC=2; 10-cm R f/5 (21x); Willian Souza (Sao Paulo, Brazil)
2016 Apr. 05.19 UT: m1=5.7, Dia.=40′, DC=3/; 7×50 B; Marco Antonio Coelho Goiato (Araçatuba, Brazil)
2016 Apr. 05.06 UT: m1=6.3, Dia.=20′, DC=2: 10×80 B; Martin Lehky ((Hradec Kralove, Czech Republic)
2016 Apr. 04.99 UT: m1=5.9, Dia.=28′, DC=3; 5-cm B (10x); Alexsandr Morozov (NL 52.56023 EL 31.879055 green zone, Novozybkov, Russia)
2016 Apr. 04.98 UT: m1=6.8, Dia.=35′, DC=3; 6-cm B (20x); Alexsandr Morozov (NL 52.56023 EL 31.879055  green zone, Novozybkov, Russia)
2016 Apr. 04.71 UT: m1=6.0, Dia.=25′, DC=2; 8-cm B (20x); Paul Camilleri (Warners Bay, Australia)
2016 Apr. 04.21 UT: m1=5.9, Dia.=30′, DC=2; 10-cm R f/5 (21x); Willian Souza (Sao Paulo, Brazil)
2016 Apr. 04.06 UT: m1=6.2, Dia.=20′, DC=2: 10×80 B; Martin Lehky ((Hradec Kralove, Czech Republic)
2016 Apr. 03.21 UT: m1=5.6, Dia.=45′, DC=4; 7×50 B; Marco Antonio Coelho Goiato (Araçatuba, Brazil)
2016 Apr. 03.21 UT: m1=5.9, Dia.=30′, DC=3; 10-cm R f/5 (21x); Willian Souza (Sao Paulo, Brazil)
2016 Apr. 03.12 UT: m1=5.6, Dia.=45′, DC=2, no tail; 8-cm B (11x); Carlos Labordena (Castellón, España)
2016 Apr. 03.06 UT: m1=6.2, Dia.=20′, DC=2: 10×80 B; Martin Lehky ((Hradec Kralove, Czech Republic)
2016 Apr. 02.59 UT: m1=6.0, Dia.=20′, DC=2/; 8-cm B (20x); Paul Camilleri (Warners Bay, Australia)
2016 Apr. 02.56 UT: m1=4.9, Dia.=54’, DC=4; 3.3-cm R (28x); Chris Wyatt (Walcha, NSW, Australia) [Instrument used was handheld 50mm f/1.8 Canon EOS lens with 15mm Plossl eyepiece giving magnification of x3.3. Outer coma semi-transparent, inner coma moderately condensed, no tail]
2016 Apr. 02.55 UT: m1=5.5, Dia.=43’, DC=3/; 7×50 B; Chris Wyatt (Walcha, NSW, Australia) [Outer coma opaque and diffuse, moderately condensed. Enhances strongly in Swan Band filter, visible naked eye but close to magnitude 4.6 star 60’away in P.A. 057°. Low altitude = 12.9°. SQM reading 21.66 average over 6 readings]
2016 Apr. 02.23 UT: m1=6.0, Dia.=25′, DC=2; 10-cm R f/5 (21x); Willian Souza (Sao Paulo, Brazil)
2016 Apr. 02.10 UT: m1=6.0, Dia.=25′, DC=2: 10×80 B; Martin Lehky ((Hradec Kralove, Czech Republic)
2016 Apr. 01.11 UT: m1=6.5:, Dia.=~18′, DC=0; 15×80 B; Alex Scholten (Eerbeek, Netherlands) (moonlight, very big and diffuse comet)
2016 Abr. 01.08 UT: m1=5.0:, Dia.=70′, DC=2; simple vista; Juan José González (Quintana del Castillo, alt. 1030 m., León, España) [En monocular 6×50: m1=5.4, Dia.=45′, DC=2/. Estimación realizada antes del orto lunar. Cielo muy claro de montaña]
2016 Mar. 31.74 UT: m1=6.2, Dia.=20′, DC=1/; 8-cm B (20x); Paul Camilleri (Warners Bay, Australia) [Last Quarter Moon Light]
2016 Mar. 30.74 UT: m1=6.0, Dia.=20′, DC=2; 8-cm B (20x); Paul Camilleri (Warners Bay, Australia) [Last Quarter Moon Light, Moon 7 degrees from the Comet, made observation difficult]
2016 Mar. 29.27: m1=5.8, Dia.=20′, DC=1/; 15×70 B; Willian Souza (Sao Paulo, Brazil) [moonlight interference]
2016 Mar. 29.25: m1=6.0, Dia.=25′, DC=2; 10cm f/5 R (18x); Willian Souza (Sao Paulo, Brazil)  [moonlight interference]
2016 Mar. 28.47 UT: m1=6.4, Dia.=14’, DC=2; 10×50 B; Alan Hale (Cloudcroft, USA) [80% lit moon 22 degrees away. Unfortunately, the comet and the moon are going to be pretty close to each other for the next three mornings]
2016 Mar. 28.17 UT: m1=6.2, Dia.=25′, DC=2, no tail; 8-cm B (11x); Carlos Labordena (Castellón, España)
2016 Mar. 28.17 UT: m1=6.0, Dia.=30′, DC=2; 7×50 B; Marco Antonio Coelho Goiato (Araçatuba, Brazil) [Moonlight]
2016 Mar. 26.74 UT: m1=5.7, Dia.=30′, DC=1/; 8-cm B (20x); Paul Camilleri (Warners Bay, Australia)
2016 Mar. 26.15 UT: m1=5.7, Dia.=30′, DC=0; 12×50 B; Giuseppe Pappa (Acitrezza, Sicily, Italy)
2016 Mar. 25.74 UT: m1=5.4, Dia.=30′, DC=1/; 8-cm B (20x); Paul Camilleri (Warners Bay, Australia)
2016 Mar. 26.15 UT: m1=6.2 DSLR, Dia.=30′; 1100d+300mm lens; Giuseppe Pappa (Acitrezza, Sicily, Italy)
2016 Mar. 24.74 UT: m1=5.0, Dia.=20′, DC=1; 8-cm B (20x); Paul Camilleri (Warners Bay, Australia)
2016 Mar. 24.02 UT: m1=[5.1; 5-cm B (7x); Salvador Aguirre (Hermosillo, Sonora., Mexico) [Moon 98%]
2016 Mar. 23.76 UT: m1=4.8, Dia.=25′, DC=1; 8-cm B (20x); Paul Camilleri (Warners Bay, Australia) [Observation made under full Moon light conditions, Coma was very low surface brightness washed out with the Moon light]
2016 Mar. 23.23 UT: m1=4.8, Dia.=50′, DC=2; 5-cm B (7x); Marco Antonio Coelho Goiato (Araçatuba, Brazil) [Moonlight. Clouds]
2016 Mar. 23.76 UT: m1=4.8, Dia.=25′, DC=1; 8-cm B (20x); Paul Camilleri (Warners Bay, Australia) [Observation made under full Moon light conditions, Coma was very low surface brightness washed out with the Moon light]
2016 Mar. 23.23 UT: m1=4.8, Dia.=50′, DC=2; 7×50 B; Marco Antonio Coelho Goiato (Araçatuba, Brazil) [Moonlight, clouds]
2016 Mar. 22.74 UT: m1=4.7, Dia.=30′, DC=1/; 8-cm B (20x); Paul Camilleri (Warners Bay, Australia)
2016 Mar. 21.72 UT: m1=4.5, Dia.=39.6’, DC=2; 7×50 B; Chris Wyatt (Walcha, NSW, Australia) [Moonlight; Coma very diffuse, slightly brighter inner coma that is weakly condensed, no tail. Enhances well in Swan Band filter. Just visible naked eye and easily visible with Swan Band filter applied to the eye]
2016 Mar. 21.39 UT: m1=5.2, Dia.=1.8º, DC=2; 8-cm R f/5 (23x); Gonzalo Vargas B. (Cochabamba Bolivia) [Perceptible a simple vista desde zona rural]
2016 Mar. 21.33 UT: m1=4.5, Dia.=1.5º, DC=3; 7×50 B; Marco Antonio Coelho Goiato (Araçatuba, Brazil)
2016 Mar. 21.34 UT: m1=4.2:, Dia.=2.5º, DC=2; Naked eye; Marco Antonio Coelho Goiato (Araçatuba, Brazil)
2016 Mar. 20.23 UT: m1=4.9, Dia= &60′, DC=2; 10-cm R f/5 (18x); Willian Souza (Sao Paulo, Brazil)
2016 Mar. 19.71 UT: m1=4.3, Dia.=&60′, DC=1; Naked eye ; Paul Camilleri (Warners Bay, Australia)
2016 Mar. 19.71 UT: m1=4.5, Dia.=&50′, DC=1; 8-cm B (20x); Paul Camilleri (Warners Bay, Australia)
2016 Mar. 19.44 UT: m1=4.5, Dia.=&40′, DC=1; 8-cm B (20x); Paul Camilleri (Warners Bay, Australia)
2016 Mar. 19.29 UT: m1=4.7:, Dia.=1.5º, DC=1; Naked eye; Marco Antonio Coelho Goiato (Araçatuba, Brazil)
2016 Mar. 19.28 UT: m1=5.0, Dia.=1º, DC=2/; 7×50 B; Marco Antonio Coelho Goiato (Araçatuba, Brazil)
2016 Mar. 18.75 UT; m1=4.8, Dia.=50′, DC=3; Naked eye; Michael Mattiazzo (Swan Hill, Vic, Australia]
2016 Mar. 18.71 UT: m1=5.0, Dia.=&30′, DC=1; Naked Eye; Paul Camilleri (Warners Bay, Australia)
2016 Mar. 18.71 UT: m1=5.2, Dia.=&40′, DC=1/; 8-cm B (20x); Paul Camilleri (Warners Bay, Australia)
2016 Mar. 18.49 UT: m1=5.2, Dia.=&30′, DC=1; 8-cm B (20x); Paul Camilleri (Warners Bay, Australia)
2016 Mar. 18.22 UT: m1=5.3, Dia.=45′, DC=1/; 7×50 B; Marco Antonio Coelho Goiato (Araçatuba, Brazil)
2016 Mar. 18.06 UT: m1=6.5:; 10×50 B; Alexandre Amorim (Florianopolis, Brazil) [moonlight]
2016 Mar. 17.76 UT: m1=5.5, Dia.=30′, DC=1; 8-cm R (20x); Paul Camilleri (Warners Bay, Australia)
2016 Mar. 17.68 UT: m1=5.6, Dia.=39’, DC=2; 7×50 B; Chris Wyatt (Walcha, NSW, Australia) [Diffuse coma, slightly brighter in centre but weakly condensed. Visible naked eye as a diffuse round patch, DC of 1, diameter of 68’. Altitude = 21°]
2016 Mar. 17.47 UT: m1=5.5, Dia.=33’, DC=2/; 7×50 B; Chris Wyatt (Walcha, NSW, Australia) [Moonlight. Coma large and diffuse, slight brightening to opaque and weakly compact towards centre. Observed through gaps in intervening cloud. No tail.
2016 Mar. 17.46 UT: m1=5.5, Dia.=30′, DC=1/; 8-cm R (16.7x); Paul Camilleri (Warners Bay, Australia)
2016 Mar. 17.46 UT: m1=5.5, Dia.=40′, DC=1/; 8-cm R (20x); Paul Camilleri (Warners Bay, Australia)
2016 Mar. 17.13 UT: m1=5.6, Dia.=40′, DC=1/; 7×50 B; Marco Antonio Coelho Goiato (Araçatuba, Brazil) [Moonlight, clouds]
2016 Mar. 17.13 UT: m1=5.9, Dia.=30′, DC=2; 10cm f/5 refractor (22x); Willian Souza (Sao Paulo, Brazil)
2016 Mar. 17.05 UT: m1=5.8, Dia.=30´, DC=2; 8-cm R f/5 (23x); Gonzalo Vargas B. (Cochabamba Bolivia) [Interferencia luz de Luna]
2016 Mar. 17.02 UT: m1=6.3, Dia.=25′, DC=2; 7×50 B; Luis Mansilla (Rosario, Argentina) [moonlight)
2016 Mar. 16.95 UT: m1=6.5, Dia.=15′, DC=1; 10×50 B; Alexandre Amorim (Florianopolis, Brazil) [moonlight]
2016 Mar. 16.44 UT: m1=5.8, Dia.=&40′, DC=2/; 8-cm B (20x); Paul Camilleri (Warners Bay, Australia)
2016 Mar. 16.14 UT: m1=6.1, Dia.=35′, DC=1/; 7×50 B; Marco Antonio Coelho Goiato (Araçatuba, Brazil)
2016 Mar. 16.03 UT: m1=6.8, Dia.=17′, DC=2/; 20×50 B; Luis Mansilla (Rosario, Argentina) [moonlight, urban skies)
2016 Mar. 16.01 UT: m1=6.5, Dia.=19´, DC=3; 25-cm L f/4.5 (66x); Gonzalo Vargas B. (Cochabamba Bolivia) [Interferencia luz de Luna]
2016 Mar. 15.97 UT: m1=7.5:; 10×50 B; Alexandre Amorim (Florianopolis, Brazil) [moonlight]
2016 Mar. 15.03 UT: m1=6.9, Dia.=18′, DC=2; 20×50 B; Luis Mansilla (Rosario, Argentina) [moonlight, urban skies)
2016 Mar. 14.94 UT: m1=7.4, Dia.=7′, DC=3; 10×50 B; Alexandre Amorim (Florianopolis, Brazil) [moonlight]
2016 Mar. 14.06 UT: m1=6.6, Dia.=30′, DC=1/; 7×50 B; Marco Antonio Coelho Goiato (Araçatuba, Brazil)
2016 Mar. 14.00 UT: m1=7.0, Dia.=15′, DC=1; 20×50 B; Luis Mansilla (Rosario, Argentina) [moonlight, urban skies & pollution light)
2016 Mar. 13.04 UT: m1=7.8, Dia.=18′, DC=1; 7×50 B; Marco Antonio Coelho Goiato (Araçatuba, Brazil)
2016 Mar. 13.03 UT: m1=7.9, Dia.=15′, DC=2; 20×100 B; Marco Antonio Coelho Goiato (Araçatuba, Brazil)
2016 Mar. 13.00 UT: m1=8.5:, Dia.=5′, DC=1; 7-cm R (28x); Alexandre Amorim (Florianopolis, Brazil)
2016 Mar. 12.45 UT: m1=7.0, Dia.=29’, DC=2; 7×50 B; Chris Wyatt (Walcha, NSW, Australia) [Coma large, outer coma circular and semi-transparent, inner coma opaque and weakly condensed, enhances well in Swan Band filter]
2016 Mar. 12.44 UT: m1=6.5:, Dia.=&25′, DC=1; 8-cm B (20x); Paul Camilleri (Warners Bay, Australia)
2016 Mar. 12.43 UT: m1=6.5:, Dia.=20′, DC=2; 8-cm R (16.7x); Paul Camilleri (Warners Bay, Australia)
2016 Mar. 12.02 UT: m1=9.3, Dia.=3′, DC=2; 18-cm L (45x); Alexandre Amorim (Florianopolis, Brazil)
2016 Mar. 11.82 UT: m1=7.8, Dia.=7′, DC=6; 30.5-cm L f/4.9 (97x); J. P. Navarro Pina (El Ardal Mula, Murcia, Spain)
2016 Mar. 11.46 UT: m1=7.0, Dia.=33’, DC=2; 10×50 B; Chris Wyatt (Walcha, NSW, Australia) [Coma very large and diffuse, inner coma weakly condensed and opaque covering over half the coma diameter and pale aqua-blue in colour. No tail]
2016 Mar. 11.46 UT: m1=8.0; 4-cm B (8x); Michael Mattiazzo (Swan Hill, Vic, Australia)
2016 Mar. 11.46 UT: m1=8.2, Dia.=22′, DC=1; 10-cm B (25x); Michael Mattiazzo (Swan Hill, Vic, Australia)
2016 Mar. 11.02 UT: m1=8.6, Dia.=12′, DC=1/; 20×100 B; Marco Antonio Coelho Goiato (Araçatuba, Brazil)
2016 Mar. 10.46 UT: m1=8.6:, Dia.=20′, DC=1; 10-cm B (25x); Michael Mattiazzo (Swan Hill, Vic, Australia)
2016 Mar. 09.49 UT: m1=7.5, Dia.=24’, DC=2/; 7×50 B; Chris Wyatt (Walcha, NSW, Australia) [Coma very large in size, outer coma semi-transparent, slightly brighter although weakly condensed centre, pale blue in colour]
2016 Mar. 09.44 UT: m1=9.2, Dia.=8′, DC=1; 20.3-cm L (61.3x); Paul Camilleri (Warners Bay, Australia)
2016 Mar. 09.43 UT: m1=9.0:, Dia.=15′, DC=0; 8-cm R (12x); Paul Camilleri (Warners Bay, Australia)
2016 Mar. 09.43 UT: m1=9.5, Dia.=5′, DC=2; 40.6-cm L (76x); Paul Camilleri (Warners Bay, Australia)
2016 Mar. 08.81 UT: m1=10.9, Dia=3.5′, DC=2, no cola; 20-cm SCT (50x); Carlos Labordena (Castellón, España)
2016 Mar. 08.46 UT: m1=9.8, Dia.=7′, DC=2; 40.6-cm L (76x); Paul Camilleri (Warners Bay, Australia)
2016 Mar. 08.44 UT: m1=9.2, Dia.=10.1’, DC=2; 25-cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Coma enhances moderately in Swan Band filter; no tail. Outer coma large and diffuse and slightly elongated to the West (Coma 10.1’ x 13.1’). Visible in 7×50 B’s as a large diffuse featureless smudge]
2016 Mar. 08.42 UT: m1=9.5:, Dia.=15′, DC=1; 10-cm B (25x); Michael Mattiazzo (Swan Hill, Vic, Australia)
2016 Mar. 08.02 UT: m1=10.5, Dia.=4′, DC=2/; 22-cm L (60x); Marco Antonio Coelho Goiato (Araçatuba, Brazil)
2016 Mar. 07.78 UT: m1=10.5 DSLR, Dia.=1′: 1100d+300mm lens; Giuseppe Pappa (Sicily, Italy)
2016 Mar. 07.46 UT: m1=9.8:, Dia.=10′, DC=1; 10-cm B (25x); Michael Mattiazzo (Swan Hill, Vic, Australia)
2016 Mar. 07.44 UT: m1=9.8, Dia.=10’, DC=2; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Coma large, diffuse with slightly brighter but weakly condensed centre, no tail. Enhances slightly in Swan Band filter. Faint background stars in coma. Visible in 11×70 B’s as a diffuse and featureless patch of light]
2016 Mar. 07.43 UT: m1=10.2, Dia.=7′, DC=1; 20.3-cm L (61.3x); Paul Camilleri (Warners Bay, Australia)
2016 Mar. 07.42 UT: m1=10.3, Dia.=5′, DC=2/; 40.6-cm L (76x); Paul Camilleri (Warners Bay, Australia)
2016 Mar. 07.06 UT: m1=10.8, Dia.=3′, DC=2; 22-cm L (60x); Marco Antonio Coelho Goiato (Araçatuba, Brazil)
2016 Mar. 06.53 UT: m1=10.2, Dia.=8′, DC=1/; 20.3-cm L (61.3x); Paul Camilleri (Warners Bay, Australia)
2016 Mar. 06.52 UT: m1=10.5, Dia.=6′, DC=2; 40.6-cm L (76x); Paul Camilleri (Warners Bay, Australia)
2016 Mar. 06.47 UT: m1=11.3, Dia.=8′, DC=1; 25.4-cm L (71x); David A. J. Seargent (Cowra, NSW, Australia) [I found it surprisingly bright and large, albeit of very low surface brightness. Far better at lower power than higher magnification]
2016 Mar. 06.42 UT: m1=9.9, Dia.=8.4’, DC=1/; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Large transparent outer coma, circular; slightly brighter inner coma broad and diffuse. Enhances slightly using Swan Band filter. No tail. Observed from my backyard in Walcha]
2016 Mar. 05.84 UT: m1=10.5, Dia.=5′, DC=1/; 20-cm SCT (77x); Juan José González (El Chano – Riofrío, alt. 990 m, León, España) [Altura sobre el horizonte: 9º. Cielo muy claro de montaña]
2016 Mar. 05.44 UT: m1=10.4:, Dia.=9.0’, DC=1; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [No tail; Inner coma appears elongated NE to SW, outer coma appears circular and transparent. Coma enhances slightly using Swan Band filter. Observation made difficult due to superimposition over background stars, magnitude uncertain due to this interference]
2016 Mar. 05.44 UT: m1=10.0:, Dia.=10′, DC=0; 8-cm R (12x); Paul Camilleri (Warners Bay, Australia)
2016 Mar. 05.44 UT: m1=10.3, Dia.=8′, DC=1; 20.3-cm L (61.3x); Paul Camilleri (Warners Bay, Australia)
2016 Mar. 05.44 UT: m1=11.0, Dia.=6′, DC=1; 40.6-cm L (76x); Paul Camilleri (Warners Bay, Australia)
2016 Mar. 04.49 UT: m1=13.5, Dia.=0.9′, DC=2; 40.6-cm L (165.8x); Paul Camilleri (Warners Bay, Australia)
2016 Mar. 04.43 UT: m1=10.6, Dia.=7.9’, DC=1; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Coma appears large, circular and diffuse. Outer coma transparent, inner coma slightly brighter but very weakly condensed. Coma colour has a slight blue/green tinge to it. Enhances moderately in Swan Band filter. No tail. Altitude = 68.6°, SQM was 21.67 (averaged). Could just barely make it out using 11×70 B’s but bordering on threshold]
2016 Mar. 03.44 UT: m1=13.6, Dia.=0.8′, DC=2; 40.6-cm L (206.6x); Paul Camilleri (Warners Bay, Australia)
2016 Mar. 01.43 UT: m1=14.0, Dia.=0.8′, DC=2; 40.6-cm L (206.6x); Paul Camilleri (Warners Bay, Australia)
2016 Feb. 29.44 UT: m1=13.8, Dia.=0.8’, DC=2; 25-cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [No tail, outer coma appears very diffuse and transparent, inner coma slightly brighter but diffused. Does not appear to enhance in Swan Band filter. Observed motion over 40 minute period, site altitude = 1250m. Windy conditions, SQM = 21.85 in vicinity of Upsilon 2 Eridanii (averaged over 6 readings)]
2016 Feb. 28.43 UT: m1=14.0, Dia.=2′; 40.6-cm L (206.6x); Paul Camilleri (Warners Bay, Australia)
2016 Febr. 27.16 UT: m1=14.3, Dia.=0.8’, DC=~2; 41-cm L (229x); Alan Hale (Cloudcroft, New Mexico, USA)

249P/LINEAR
2016 Jan. 29.77 UT: m1=[15.8, NEGATIVE; 60.3-cm L (305x); Sandor Szabo (Sieggraben, Austria)
2016 Jan. 09.39 UT: m1=[13.0; 40.0-cm L f/4.5 (257x); Seiichi Yoshida (Ibaraki, Japan)
2016 Jan. 08.74 UT: m1=13.0 DSLR, Dia.=0.5′; 1100d+300mm lens; Giuseppe Pappa (Sicily, Italy)

246P/NEAT
2015 Feb. 06.10 UT: m1=16.9 CCD, Dia.=0.3′; [T20] 0.1-m f/5.0 astrograph + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, H06 remotely from Mayhill, U.S.A.)
2015 Jan. 07.78 UT: m1=17.0 CCD, Dia.=0.28′; [T16] 0.15-m f/7.3 refractor + CCD; A. Novichonok & T.Prystavski (AstroCamp Observatory, I89 remotely from Nerpio, Spain)
2014 Dec. 19.82 UT: m1=16.7 CCD, Dia.=0.3′, Tail=0.4′ in PA: 251 deg.; [T16] 0.15-m f/7.3 refractor + CCD; A. Novichonok & T. Prystavski (AstroCamp Observatory, I89 remotely from Nerpio, Spain)
2014 Nov. 18.42 UT: m1=16.4 CCD, Dia.=0.3′; [T12]0.11m f/5.0 refractor + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, Q62, remotely from Siding Spring, Australia)
2014 Oct. 12.46 UT: m1=15.3 CCD, Dia.=0.50′, Tail=1.4′ in PA: 245 deg.; [T12]0.11m f/5.0 refractor + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely from Siding Spring, Australia)
2014 Sep. 16.76 UT: m1=15.6 CCD, Dia.=0.36′, Tail=0.6′ in PA: 255 deg.; [T12] 0.11m f/5.0 refractor + CCD; A. Novichonok, T. Prystavski, N. Teymurov (iTelescope observatory, Q62, remotely from Siding Spring, Australia)
2014 Sep. 02.79 UT: m1=16.0: CCD, Dia.=0.34′, Tail= 2.6′ in PA: 239 deg.; 0.43-m f/6.8 astrograph + CCD; A. Novichonok & T.Prystavski (iTelescope observatory, Q62, remotely from Siding Spring, Australia)
2014 Aug. 30.18 UT: m1=16.1 CCD; Dia.=0.5’; CCD images unfiltered; Pierre Laporte (Cd’OA des Monts Notre-Dame, Québec, Canada)
2014 Aug. 28.05 UT: m1=[14.7, Dia.=1.0′; 40cm L (230x); Jakub Cerny (Zachotin, Czech Republic)
2013 Sep. 22.42 UT: m1=14.4 CCD, Dia.=0.9′, Tail=1′ in PA:279 deg.; 0.32-m f/7.4 Ritchey-Chretien + CCD; A. Novichonok & T.Prystavski (iTelescope observatory, Q62. Remotely Siding Spring, Australia)
2013 Aug. 26.49 UT: m1=13.4 CCD, Dia.=1.0′, Tail=1.2′ in PA 277 deg.; 0.11m f/5.0 refractor + CCD; A. Novichonok & T.Prystavski (iTelescope observatory, Q62 (remotely Siding Spring, Australia))
2013 Jul. 30.65 UT: m1=13.2 CCD, Dia.=1.17′, Tail=2.6′ in PA 276 deg.; 0.11m f/5.0 refractor + CCD; A. Novichonok & T.Prystavski (iTelescope observatory Q62. Remotely Siding Spring, Australia)
2013 Jul. 08.66 UT: m1=13.2 CCD, Dia.=1.11′, Tail=3.8′ in PA 271 deg.; 0.11m f/5.0 refractor + CCD; A. Novichonok & T.Prystavski (iTelescope observatory Q62. Remotely Siding Spring, Australia)
2013 Jul. 06.44 UT: m1=13.2, Dia.=0.6’, DC=2/3; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Outer coma diffuse and faint with small central condensation. Averted vision, no tail, observed from 1240m alt.]
2013 Jun. 16.20 UT: m1=11.8, Dia.=1.5’, DC=1, Cola: no visible; 25cm SCT (40x); Alberto Anunziato (Oro Verde, Argentina)
2013 May 19.74 UT: m1=14.1, Dia.=0.5’, DC=2; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Averted vision, no tail, very small and diffuse, close to 13th mag star.]
2013 May 17.76 UT: m1=13.9, Dia.=0.5’, DC=2; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Very small coma, no tail, diffuse edges, bright diffused patch of light at centre, averted vision.]
2013 May 14.78 UT: m1=13.6, Dia.=0.7’, DC=2/3; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Averted vision, coma appears very small and diffuse with slightly brighter core, very difficult due to scintillation effects, observed over a 40 minute period]
2013 Apr. 16.46 UT: m1=14.3 CCD, Dia.=0.7′, Tail=1.6′ in PA 267 deg.; 0.11-m f/5.0 refractor + CCD; A. Novichonok & T.Prystavski (iTelescope observatory, H06 (remotely Mayhill, U.S.A.)
2013 Apr. 12.45 UT: m1=[11.9; 15cm SCT (37x); Salvador Aguirre (Hermosillo, Sonora, Mexico)
2013 Mar. 31.29 UT: m1=11.0, Dia.=1.5’, DC=1; 25cm SCT (40x); Alberto Anunziato (Oro Verde, Argentina) [Mét. Sidgwick, Cat. Tycho II]
2013 Mar. 23.33 UT: m1=12.2, Dia.=1.5′, DC=3; 22cm L (160x); Marco Goiato (Araçatuba, Brasil)
2013 Ene. 20.26 UT: m1=9.6, Dia.=3.5′, DC=3; 20cm SCT (77x); Juan José González (Perilla de Castro, alt. 730 m, Zamora, España) [Altura sobre el horizonte: 7º. Cielo muy claro de montaña]
2012 Sep. 14.99 UT: m1=13.6 ccd, Dia.=0.6′; 30.5cm schmidt-cassegrain; Jakub Cerny [robotic telescope FRAM in Malargue, Argentina]
2012 Sep. 13.99 UT: m1=13.5 ccd, Dia.=0.6′; 30.5cm schmidt-cassegrain; Jakub Cerny [robotic telescope FRAM in Malargue, Argentina]
2012 Sep. 12.98 UT: m1=13.5 ccd, Dia.=0.7′; 30.5cm schmidt-cassegrain; Jakub Cerny [robotic telescope FRAM in Malargue, Argentina]
2012 Sep. 11.98 UT: m1=13.4 ccd, Dia.=0.8′; 30.5cm schmidt-cassegrain; Jakub Cerny [robotic telescope FRAM in Malargue, Argentina]
2012 Sep. 03.00 UT: m1=13.5 ccd, Dia.=0.7′; 30.5cm schmidt-cassegrain; Jakub Cerny [robotic telescope FRAM in Malargue, Argentina]
2012 Ago. 17.89 UT: m1=12.4, Dia.=1′, DC=3, no cola; 23.5cm SCT(138x); Carlos Labordena (Castellón, España)
2012 Aug. 14.03 UT: m1=13.5 ccd, Dia.=0.6′; 30.5cm schmidt-cassegrain; Jakub Cerny (Czech Republic) [robotic telescope FRAM in Malargue, Argentina]
2012 Jul. 28.29 UT: m1=11.6 (S), Dia.=2.5′, DC=2; 22cm L (160x); Marco Goiato (Araçatuba, Brasil)
2012 Jul. 23.10 UT: m1=12.8, Dia.=1.3′, DC=3; 20cm SCT (133x); Juan José González (Alto del Castro – Aralla, alt. 1720 m, León, España) [Estrellas de campo comprobadas en el DSS. Estrellas de comparación de la fotometría TASS. Movimiento evidente observado durante 45 minutos. Cielo muy claro de montaña]
2012 Jul. 20.88 UT: m1=13.3, Dia.=0′.5, DC=4; 35cm reflector (109x); Jakub Cerny (Korcula Island, Croatia)
2012 Jul. 17.85 UT: m1=13.1, Dia.=0′.4, DC=5; 35cm reflector (261x); Jakub Cerny (Korcula Island, Croatia)
2012 Jul. 11.09 UT: m1=13.5 ccd, Dia.=0′.7, 30.5cm schmidt-cassegrain; Jakub Cerny (Senohraby, Czech Republic)
2012 Jun. 16.90 UT: m1=11.9, Dia.=2′, DC=2, no cola; 23.5cm SCT (94x); Carlos Labordena (Castellón, España)
2012 Jun. 14.01 UT: m1=11.6, Dia.=3′, DC=2; 20cm SCT (100x); Juan José González (Alto del Castro, 1720 m alt., León, España) [Coma débil y difusa]
2012 May. 14.93 UT: m1=11.8, Dia.=2.5′, DC=1/; 20cm SCT (100x); Juan José González (Pandorado, 1190 m alt., León, España) [Coma débil y difusa]
2012 May. 13.93 UT: m1=12.5, Dia.=1.4′, DC=5; 20.3cm L f:6 (120x); Mieczyslaw Leszek Paradowski (Dabrowa, Poland)[Comparison stars taken from APASS V-band photometry (AQ)]
2012 Apr. 24.90 UT: m1=13.7, Dia.=0.7′, DC=3; 25.4cm reflector (120x); Vyacheslav Ivanov (Melovoe, Russia)
2012 Apr. 22.86 UT: m1=12.8, Dia.=0.5´, DC=2, Tail: in PA:270 deg.; 32cm L f:5 (120x); Uwe Pilz (Leipzig, Alemania)
2012 Mar.29.187 UT: m1=12.2, Dia.=2′, DC=2; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2012 Mar. 24.99 UT: m1=13.0, Dia.=0.6′, DC=6; 25cm S (203x); Mieczyslaw Leszek Paradowski (Lublin, Poland) [Comparison stars taken from ASAS-3 V-band photometry (AU). VLmag=5 and faintest star 14.1 mag (AU) seen in FOV at 203x. Motion checked over a 60-min period. Nearby field stars checked in DSS]
2012 Mar. 15.00 UT: m1=11.7, Dia.=3.5′, DC=2; 20cm SCT (77x); Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España) [Significativamente más brillante que lo esperado. Estrellas de campo comprobadas en el DSS. Cielo muy claro de montaña]

244P/Scotti
2013 Apr. 30.79 UT: m1=18.2 CCD, Dia.=0.21′, Tail=1.1′ in PA 288 deg.; 0.40-m f/8 Ritchey-Chretien + CCD; V.Gerke & T.Prystavski (Ka-Dar observatory, TAU station C32, remotely Nizhniy Arkhyz, Russia)
2013 Feb. 07.96 UT: m1=17.4 CCD, Dia.=0.2′, Tail=3.5′ in PA 290 deg; 0.40-m f/8 Ritchey-Chretien + CCD; V.Gerke & T.Prystavski (Ka-Dar observatory, TAU station C32, remotely Nizhniy Arkhyz, Russia)
2013 Jan. 11.06 UT: m1=17.5 CCD, Dia.=0.24′, Tail=0.9′ in PA 290 deg.; 0.40-m f/8 Ritchey-Chretien + CCD; V.Gerke & T.Prystavski (Ka-Dar observatory, TAU station C32, remotely Nizhniy Arkhyz, Russia)

242P/Spahr
2012 Oct. 25.33 UT: m1=17.3 ccd, Dia.=0.1′; 30.5cm schmidt-cassegrain; Jakub Cerny [robotic telescope FRAM in Malargue, Argentina]

240P/NEAT
2011 Apr. 23.24 UT: m1=15.0 ccd, Dia.=0.6′; 21cm R + CCD; A. Novichonok & D. Chestnov (remotely Tzec Maun observatory, Mayhill, USA)
2010 Dic. 17.22 UT: m1=14.0, Dia.=0.6′, DC=5; 20cm SCT (133x); Juan José González (Aralla, alt. 1440 m., León, España) [Estrellas de campo comprobadas en el DSS. Estrellas de comparación tomadas de la fotometría Henden del sector de AK Cnc. Cielo muy claro de montaña]
2010 Dec. 04.80 UT: m1=14.6, Dia.=0.4′, DC=4; 40cm L f:4 (144x); Seiichi Yoshida (Kita-karuizawa, Gunma, Japan)
2010 Sep. 19.00 UT: m1=16.5 ccd, Dia.=0.27′, DC=8/, tail 0.84′ in PA 262 deg.; 41cm L f/3.8 +CCD; Sergey Shurpakov (Belarus)

237P/LINEAR
2016 Nov. 16.76 UT: m1=9.8, Dia.=3′, DC=2/; 20-cm SCT (77x); Juan José González (Gamoniteiro – Sierra del Aramo, alt. 1730 m, Asturias, España) [Crepúsculo astronómico. Altura sobre el horizonte: 12º. Cielo muy claro de montaña]
2016 Nov. 05.38 UT: m1=12.0, Dia.=0.7′, DC=3; 40.0-cm L f/4.5 (257x); Seiichi Yoshida (Gunma, Japan)
2016 Nov. 04.38 UT: m1=[11.6; 40.0-cm L f/4.5 (257x); Seiichi Yoshida (Gunma, Japan)
2016 Nov. 01.40 UT: m1=12.5, Dia.=1’, DC=3; 25-cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma diffuse, slight brightening to centre]
2016 Oct. 31.41 UT: m1=12.3, Dia.=0.9’, DC=3; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma diffuse, close to bright stars. Weakly condensed. Low altitude = 15.4°]
2016 Oct. 29.78 UT: m1=10.6, Dia.=3′, DC=2, no cola; 20-cm SCT (80x); Carlos Labordena (Castellón, España)
2016 Oct. 26.78 UT: m1=9.5, Dia.=6′, DC=2/; 20-cm SCT (77x); Juan José González (Pandorado, alt. 1190 m, León, España) [Fin del crepúsculo astronómico. Altura sobre el horizonte: 11º. Cielo muy claro de montaña]
2016 Oct. 25.39 UT: m1=12.5, Dia.=0.8’, DC=3; 25-cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia] [Coma very diffuse, weakly condensed centre, pale blue in colour. Does not enhance in Swan Band filter]
2016 Oct. 24.41 UT: m1=12.4, Dia.=0.8’, DC=3; 25-cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [No tail. Inner coma opaque and pale blue in colour, gradually fades to edges. Slight zodiacal light interference, low altitude = 18.2°]
2016 Oct. 23.40 UT: m1=12.3, Dia.=1.5’, DC=2/; 25-cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Poor seeing; coma showed an opaque and weakly condensed centre, pale blue in colour, fading to edges. No enhancement in Swan Band filter. No tail. Slight interference by zodiacal light]
2016 Oct. 20.41 UT: m1=12.4, Dia.=0.6′, DC=5; 40.0-cm L f/4.5 (257x); Seiichi Yoshida (Gunma, Japan)
2016 Oct. 19.41 UT: m1=12.5, Dia.=1’, DC=4; 25-cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Outer coma diffuse, inner coma moderately condensed and opaque, pale blue in colour. Does not enhance in Swan Band filter]
2016 Oct. 18.40 UT: m1=12.3, Dia.=0.5’, DC=4; 25-cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Outer coma diffuse, brightening to an opaque, moderately condensed inner coma. Does not enhance in Swan Band filter. Slight interference from zodiacal light]
2016 Oct. 04.43 UT: m1=12.9, Dia.=0.9’, DC=4; 25-cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma diffuse, brightening to a moderately condensed centre. No tail. Does not enhance in Swan Band filter. Low altitude = 18.4°. Slight haze and windy conditions, zodiacal light interference]
2016 Oct. 02.81 UT: m1=9.6, Dia.=6′, DC=2/, Tail= 0.5 deg. in PA: 70 deg.; 20-cm SCT (77x); Juan José González (Alto del Castro, alt. 1720 m, León, España) [Altura sobre el horizonte: 13º. Cielo muy claro de montaña]
2016 Sep. 30.80 UT: m1=11.6, Dia.=2′, DC=2, no cola; 20-cm SCT (117x); Carlos Labordena (Castellón, España)
2016 Sep. 28.81 UT: m1=9.7, Dia.=5′, DC=2/, Cola: 0.2º en AP 80º; 20-cm SCT (100x); Juan José González (Alto del Castro, alt. 1720 m, León, España) [Luz zodiacal. Altura sobre el horizonte: 13º. Cielo muy claro de montaña]
2016 Sep. 28.42 UT: m1=12.7, Dia.=0.8’, DC=6; 25-cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma shows small stellar central condensation, m2 approximately 14.1. Opaque inner coma fades to edges, outer coma slightly elongated to ESE. Slight smoke haze and zodiacal light interference]
2016 Sep. 26.38 UT: m1=12.9, Dia.=0.9’, DC=6; 25-cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Small stellar central condensation visible, opaque inner coma fading to edges, slightly elongated to the ESE. Does not enhance in Swan Band filter, slight zodiacal light interference]
2016 Sep. 05.85 UT: m1=10.0, Dia.=2.5′, DC=3; 20-cm SCT (77x); Juan José González (Nogarejas, alt. 920 m, León, España) [Altura sobre el horizonte: 10º. Cielo claro de montaña]
2016 Sep. 02.83 UT: m1=11.5, Dia.=2′, DC=3, no cola; 20-cm SCT (80x); Carlos Labordena (Castellón, España)
2016 Aug. 31.79 UT: m1=13.4, Dia.=0.25′, DC=4; 60-cm L (305x); Sandor Szabo (Hungary) [Just 8 degrees above horizont, inner coma is seen only]
2016 Ago. 29.86 UT: m1=10.7, Dia.=2.5′, DC=3/; 20-cm SCT (100x); Juan José González (Pandorado, alt. 1190 m, León, España) [Altura sobre el horizonte: 11º. Cielo muy claro de montaña]
2016 Aug. 27.96 UT: m1=11.5, Dia.=2′, DC=4; 22-cm L (160x); Marco Antonio Coelho Goiato (Araçatuba, Brazil)
2016 July 31.39 UT: m1=13.5, Dia.=0.5’, DC=6; 25-cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Stellar central condensation (m2 = 14.7), outer coma diffuse and small. Small tail visible 1’ in length in P.A. 122° approximately]
2016 July 28.40 UT: m1=13.7, Dia.=0.6’, DC=6; 25-cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Stellar central condensation, outer coma small, tail visible 1.5’in length in P.A. 122°. Slight zodiacal light interference]
2016 July 25.38 UT: m1=13.7, Dia.=0.9’, DC=6; 25-cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma shows a small semi-opaque outer coma, stellar central condensation with a small tail visible at x166 1.5’in length in P.A. 078°]
2016 July 03.46 UT: m1=13.7, Dia.=0.5’, DC=6; 25-cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma does not enhance in Swan Band filter. Outer coma diffuse brightening to an opaque inner coma with a stellar central condensation. Pale aqua-blue in colour, no tail evident although at x166 the coma appears a little elongated to the NE]
2016 July 02.93 UT: m1=13.1, Dia.=0.6′, DC=5; 20-cm SCT (133x); Juan José González (Alto del Castro – Aralla, alt. 1720 m, León, España) [Estrellas de comparación de la fotometría APASS cercana al cometa]
2016 July 02.38 UT: m1=13.4, Dia.=0.5’, DC=6; 25-cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma shows a small stellar pseudo-nucleus surrounded by a tenuous, semi-transparent outer coma. Coma does not enhance in Swan Band filter. Close to mag 13.1 star, 0.9’away in P.A. 135° but easily resolvable from interference. Also visible at x39]

235P/LINEAR
2010 May. 05.26 UT: m1=18.7 ccd, Dia.=0.2′; 35.5 cm L +CCD; Artyom Novichonok & Dimitry Chestnov (remotely Mayhill, USA)

230P/LINEAR
2016 Jan. 29.83 UT: m1=15.4, Dia.=0.15′, DC=8; 60.3-cm L (406x); Sandor Szabo (Sieggraben, Austria)
2016 Jan. 09.43 UT: m1=13.9, Dia.=0.6′, DC=4; 40.0-cm L f/4.5 (257x); Seiichi Yoshida (Ibaraki, Japan)
2015 Dec. 30.46 UT: m1=13.5, Dia.=0.9’, DC=5/; 25-cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma very diffuse, semi-opaque, pale blue in colour, with small faint stellar central condensation (m2 approx. 14.5) No tail]
2015 Dec. 29.88 UT: m1=13.5 DSRL, Dia.=1′; canon 1100d+300mm lens; Giuseppe Pappa (Mascalucia, Sicily, Italy)
2015 Dec. 29.46 UT: m1=13.6, Dia.=0.4’, DC=6; 25-cm L f:5 (166x); Chris Wyatt (Walcha, NSW, Australia) [Coma diffuse with faint stellar centre, m2 approximately 14.2. Does not enhance in Swan Band filter, no tail. Coma visible at x83]
2015 Dec. 21.16 UT: m1=13.0, Dia.=0.6′, DC=6; 20-cm SCT (160x); Juan José González (Alto del Castro – Aralla, alt. 1720 m, León, España) [Estrellas de comparación de la fotometría APASS cercana al cometa. Estrellas de campo comprobadas en el DSS]
2015 Nov. 30.49 UT: m1=14.0, Dia.=0.3’, DC=6/; 25cm L f:5 (166x); Chris Wyatt (Walcha, NSW, Australia) [Very difficult due to average seeing conditions, visible in periods of good seeing; the coma is very small and compact with a thin fuzzy outer edge. Limiting mag = 14.8]
2015 Nov. 20.70 UT: m1=[15.4; 40.0-cm L f/4.5 (257x); Seiichi Yoshida (Gunma, Japan)
2015 Nov. 12.02 UT: m1=15.9, Dia.=0.1′, DC=8; 60.3-cm L (305x); Sandor Szabo (Sopron, Hungary) [Motion was checked, nearly stellar]
2015 Sep. 11.71 UT: m1=16.8 CCD; [T31] 0.50-m f/6.8 astrograph + CCD + focal reducer; A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely from Siding Spring, Australia)
2015 Aug. 22.66 UT: m1=18.0: CCD; [T31] 0.50-m f/6.8 astrograph + CCD + focal reducer; A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely from Siding Spring, Australia)

226P/Pigott-LINEAR-Kowalski
2016 Nov. 04.80 UT: m1=14.5, Dia.=0.5′, DC=2; 40.0-cm L f/4.5 (257x); Seiichi Yoshida (Gunma, Japan)
2016 Sep. 07.03 UT: m1=16.0 CCD, Dia.=0.45′, DC=6/; 0.25-m L f/4.7 + CCD; Sergey Shurpakov (C36, Baran’, Belarus)
2016 Sep. 02.08 UT: m1=14.9, Dia.=0.4′, DC=6; 30-cm L f/5 (188x); Mieczyslaw Leszek Paradowski (Dąbrowa, Poland) [NELM=6.0; DSS field stars and motion checked during a 30-min period. Faintest star 16.1 mag in FOV]
2016 Sep. 01.76 UT: m1=[13.7, negative; 40.0-cm L f/4.5 (257x); Seiichi Yoshida (Gunma, Japan)
2016 Sep. 01.08 UT: m1=13.9, Dia.=0.7′, DC=1; 60-cm L (305x); Sandor Szabo (Hungary)
2016 July 02.75 UT: m1=[15.2 Negative; Dia=–; DC=–; 25-cm L f:5 (166x); Chris Wyatt (Walcha, NSW, Australia) [Comet not visible; Zodiacal light interference. Not visible at x83. Stellar limiting magnitude 15.2]

223P/Skiff
2010 Sep. 19.02 UT: m1=19.2 ccd, Dia.=0.14′, DC=3; 41cm L f/3.8 +CCD; Sergey Shurpakov (Belarus)

222P/LINEAR
2009 Sep. 20.79 UT: m1=13.6, Dia.=0.8′, DC=1/; 40.0cm L f/4.5 (144x); Seiichi Yoshida (Gunma, Japan)
2009 Aug. 31.18 UT: m1=12.3, Dia.=0.7′, DC=6; 20cm SCT (133x); Juan José González (Alto del Castro – Aralla, alt. 1720 m, León, España) [ Significativamente más brillante que lo previsto. Estrellas de campo comprobadas en el DSS. Movimiento seguido durante 20 minutos. Cielo muy claro de montaña. Crepúsculo astronómico. Altura sobre el horizonte: 16º]

221P/LINEAR
2015 July 18.88 UT: m1=15.0, Dia.=0.3′, DC=3; 60.3 cm L (305x); Sandor Szabo (Sopron, Hungary)
2015 July 08.47 UT: m1=15.6 CCD Dia.=0.4′ Tail=0.3′ in PA: 108 deg.; [T31] 0.50-m f/6.8 astrograph + CCD + focal reducer; A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely from Siding Spring, Australia)
2015 May  22.02 UT: m1=15.4 CCD + R filter, Dia.=10″, DC=4, Fantail=16″ in PA: 261-69 deg.; 70-cm f/4 L + CCD; Alexander Baransky (Kyiv comet station MPC 585, Ukraine)

220P/McNaught
2015 Sep. 13.04 UT: m1=[15.8, NEGATIVE; 60.3-cm L (305x); Sandor Szabo (Sopron, Hungary) [Not seen, fainter than 15.8 mag]

218P/LINEAR
2015 July 22.00 UT: m1=[15.5, NEGATIVE; 60.3 cm L (406x); Sandor Szabo (Sopron, Hungary)
2015 July 18.97 UT: m1=[15.8, NEGATIVE; 60.3 cm L (406x); Sandor Szabo (Sopron, Hungary) [A small dot is suspected, but not sure]
2015 July 08.53 UT: m1=15.9 CCD, Dia.=0.4′ Tail=0.8′ in PA: 249 deg.; [T17] 0.43-m f/6.8 astrograph + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely from Siding Spring, Australia)
2015 May  14.72 UT: m1=13.9, Dia.=0.6’, DC=2/; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma diffuse; difficult due to bright mag 11.1 star, 1.2’ away in P.A. 145°, moonlight and zodiacal light. No tail]
2015 Apr. 20.41 UT: m1=15.2: CCD, Dia.=&0.4′, Tail=&0.8′ in PA 263 deg; [T20] 0.1-m f/5.0 astrograph + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, H06 remotely from Mayhill, U.S.A.)
2015 Mar. 01.51 UT: m1=15.5 CCD, Dia.=0.5′; [T20] 0.1-m f/5.0 astrograph + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, H06 remotely from Mayhill, U.S.A.)
2015 Feb. 18.11 UT: m1=16.4 CCD + R filter, Dia.=22″, DC 5, Tail=54″ in PA: 293 deg.; 70-cm f/4 L + CCD; Alexander Baransky (Kyiv comet station MPC 585, Ukraine)

217P/LINEAR
2010 Feb. 06.34 UT: m1=13.0 ccd, Dia.=0.21′, DC=5; 0.36-m f/3.8 reflector + CCD; Sergey Shurpakov (Baran’, Belarus)
2010 Feb. 02.88 UT: m1=13.5, Dia.=1.2′, DC=2; 20cm SCT (133x); Juan José González (Camposagrado, alt. 1135 m, León, España) [Estrellas de comparación de la secuencia Henden de V650 Ori]
2010 Ene. 12.92 UT: m1=12.7, Dia.=1.2′, DC=5; 20cm SCT (133x); Juan José González (Grandota – Oviedo, alt. 430 m, España)
2009 Dez. 18.208 UT: m1=12.1, Dia.=1′, DC=5; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2009 Dic. 12.02 UT: m1=11.7, Dia.=1.5′, DC=4; 20cm SCT (133x); Juan José González (Alto del Castro, alt. 1720 m, León, España)
2009 Dic. 11.95 UT: m1=11.7, Dia.=2′, DC=3; 23.5cm SCT (67x); Carlos Labordena (Castellón, España)
2009 Dez. 06.062 UT: m1=10.9, Dia.=2′, DC=4; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2009 Nov. 24.03 UT: m1=11.2, Dia.=1.2′, DC=3; 20cm SCT (133x); Juan José González (Alto del Castro, alt. 1720 m, León, España)
2009 Nov. 19.01 UT: m1=11.0 ccd, Dia.=2.5′, DC=6; 25cm L +ccd +Rc filter; Toni Scarmato (Calabria, Italia)
2009 Nov. 18.08 UT: m1=10.7, Dia.=1.2′, DC=3; 20cm SCT (100x); Juan José González (Alto del Castro, alt. 1720 m, León, España)
2009 Nov. 14.260 UT: m1=10.6, Dia.=2.5′, DC=4/; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2009 Nov. 13.125 UT: m1=10.6, Dia.=2.5′, DC=4/; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2009 Oct. 26.08 UT: m1=10.3, Dia.=2.5′, DC=5,  Tail: 0.1 deg. in PA 280deg.; 20cm SCT (77x); Juan José González (Alto del Castro, alt. 1720 m, León, España)
2009 Out. 24.208 UT: m1=10.5, Dia.=2.5′, DC=4/; 22cm L f:6.5 (60x); Marco Goiato (Araçatuba, Brasil) [coma elongada em PA 290°]
2009 Out. 21.167 UT: m1=10.5, Dia.=2.5′, DC=4/; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2009 Oct. 18.15 UT: m1=10.1, Dia.=2′, DC=4; 20cm R F9; Alfons Diepvens (Balen, Belgium)
2009 Oct. 17.04 UT: m1=10.2, Dia.=3′, DC=4, cola=5′; 23.5cm SCT (67x); Carlos Labordena (Castellón, España)
2009 Out. 16.187 UT: m1=10.4:, Dia.=2.5′, DC=5; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil) [muito próximo a estrela com m1:6.22]
2009 Oct. 16.10 UT: m1=10.1, Dia.=2.5′, DC=5/, Cola: 0.1º in AP 290º; 20 cm SCT (77x); Juan José González (Alto del Castro, alt. 1720 m, León, España) [Después del reciente y menor outburst, el cometa muestra su coma interna más brillante, pero sin un incremento notable hasta ahora de la magnitud visual total]
2009 Out. 10.156 UT: m1=10.4, Dia.=3′, DC=4; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil) [Luar]
2009 Sep. 29.13 UT: m1=9.9, Dia.=3.5′, DC=5, Cola: 0.2º in AP 280º; 20 cm SCT (77x); Juan José González (Alto del Castro, alt. 1720 m, León, España)
2009 Set. 26.292 UT: m1=10.2, Dia.=2′, DC=5; 22cm L f:6.5 (60x); Marco Goiato (Araçatuba, Brasil)
2009 Sep. 25.08 UT: m1=10.4, Dia.=3′, DC=5, no cola; 23.5cm SCT (67x); Carlos Labordena (Castellón, España) [Algo alargado]
2009 Sep. 24.73 UT: m1=9.9, Dia.=4′; 25×100 B; David A. J. Seargent (Cowra, NSW, Australia)
2009 Sep. 24.72 UT: m1=10.2, Dia.=3′, Tail=0.17 deg. in PA=270 deg.; 25.4cm L (71x); David A. J. Seargent (Cowra, NSW, Australia) [Fainter using Swan Band filter]
2009 Sep. 23.14 UT: m1=9.8, Dia.=4′, DC=5, Cola: 0.2º in AP 280º; 20 cm SCT (77x); Juan José González (Alto del Castro, alt. 1720 m, León, España)
2009 Sep. 22.394 UT: m1=10.5, Dia.=3.0′, DC=4; 15cm SCT (37x y 60x); Salvador Aguirre (Hillo, Sonora, México)
2009 Sep. 20.75 UT: m1=10.2, Dia.=4.0′, DC=7, Tail 8′ in PA 255 deg.; 40.0cm L f/4.5 (36x); Seiichi Yoshida (Gunma, Japan)
2009 Set. 13.292 UT: m1=10.5, Dia.=1.5′, DC=5; 22cm L f:6.5 (60x); Marco Goiato (Araçatuba, Brasil) [Luar]
2009 Sep. 01.14 UT: m1=11.0, Dia.=1′, DC=7; 200mm R F9; Alfons Diepvens (Balen, Belgium)
2009 Aug. 31.15 UT: m1=9.9, Dia.=4′, DC=5, Cola: 0.2º en AP 270º; 20cm SCT (77x); Juan José González ( Alto del Castro – Aralla, alt. 1720 m, León, España)
2009 Ago. 29.333 UT: m1=10.9, Dia.=2′, DC=6/; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2009 Aug. 29.16 UT: m1=10.2, Dia.=3′, DC=5; 20 cm SCT (77x); Juan José González (Alto del Castro – Aralla, alt. 1720 m, León, España)
2009 Ago. 22.05 UT: m1=11.6, Dia.=3′, DC=4; 23.5cm SCT (67x); Carlos Labordena (Castellón, España)
2009 Aug. 19.10 UT: m1=10.1, Dia.=4′, DC=4, Cola: 0.1º in PA 270º; 20 cm SCT (77x); Juan José González (Alto del Castro – Aralla, alt. 1720 m, León, España)
2009 Aug. 15.61 UT: m1=11.0, Dia.=2’, DC=5; 20cm T f:10 (63x); Chris Wyatt (Walcha, NSW, Australia) [No tail, bright star in vicinity, coma elongated to SW, 25 degrees above East horizon. Comp Star= GSC-4710-0103; Method= S; Cat= HS ]

215P/NEAT
2010 Jun. 10.39 UT: m1=18.3 ccd, Dia.=0.17′, DC=8; 36cm L f/3.8 +CCD; Sergey Shurpakov (Baran’, Belarus)

213P/Van Ness / Curva de Luz: Mag Reducida por Delta versus Días al Perihelio
2011 Nov. 24.55 UT: m1=[13.6; 40.0cm L f/4.5 (144x); Seiichi Yoshida (Gunma, Japan)
2011 Nov. 17.83 UT: m1=11.0, Dia.=6′, DC=1/; 20cm SCT (77x); Juan José González (Angliru – Sierra del Aramo, alt. 1540 m., Asturias, España) [Coma amplia y difusa, con débil región exterior. Estrellas de campo comprobadas en el DSS. Cielo muy claro de montaña]
2011 Oct. 20.95 UT: m1=11.5, Dia.=4′, DC=2; 20cm SCT (77x); Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España)
2011 Oct. 01.07 UT: m1=11.2, Dia.=4′, DC=2; 20cm SCT (77x); Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España)
2011 Set. 28.104 UT: m1=11.2, Dia.=2′, DC=3; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2011 Sep. 24.89 UT: m1=11.0, Dia.=5′, DC=2/; 20cm SCT (77x); Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España)
2011 Sep. 22.40 UT: m1=13.2, Dia.=0.8’, DC=2; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Close to bright star, observation difficult, no tail. Comp Star= ASAS-3 224556+0437.1; Method= S; Cat= AU]
2011 Sep. 21.41 UT: m1=13.4, Dia.=2’, DC=2; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma diffuse, no tail, averted vision. Comp Star= ASAS-3 224608+0425.5; Method= S; Cat= AU]
2011 Sep. 19.91 UT: m1=11.0, Dia.=5′, DC=2/; 20 cm SCT (77x); Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España)
2011 Sep. 07.07 UT: m1=11.2, Dia.=4′, DC=3; 20cm SCT (77x); Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España)
2011 Set. 01.187 UT: m1=11.8, Dia.=1.5′, DC=2; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2011 Ago. 26.98 UT: m1=11.2, Dia.=3′, DC=3/; 20cm SCT (77x); Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España) [Coma elongada]
2011 Aug. 25.85 UT: m1=13.8, Dia.=1.0′, DC=3; 25.4 cm reflector (171x); Vyacheslav Ivanov (Melovoe, Russia)
2011 Aug. 25.71 UT: m1=12.3:, Dia.=2′, DC=3; 20cm L f/5; Man-To Hui (Canton, China) [barely seen by averted vision during good seeing; city lights]
2011 Aug. 25.50 UT: m1=12.3, Dia.=3’, DC=2; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Coma diffuse, no tail. Comp Star= TYC 267-273-1; Method= S; Cat= TJ
2011 Aug. 24.51 UT: m1=13.7, Dia.=0.9’, DC=2/3; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Small, diffuse coma with slight increase in brightness to centre, no tail, visible using averted vision in good seeing. Comp Star= ASAS-3 230805+0359.9; Method= S; Cat= AU
2011 Aug. 09.76 UT: m1=12.4:, Dia.=1.1′, DC=3; 40cm L f/4.5 (144x); Seiichi Yoshida (Gunma, Japan)
2011 Ago. 08.09 UT: m1=11.8, Dia.=2.5′, DC=3; 20cm SCT (100x); Juan José González (Pandorado, alt. 1190 m., León, España)
2011 Ago. 03.09 UT: m1=12.2, Dia.=1.5′, DC=3, no cola; 23.5cm SCT (94x); Carlos Labordena (Castellón, España)
2011 Jul. 28.56 UT: m1=13.5, Dia.=1’, DC=3/4; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [No tail, difficult, visible using averted vision in good seeing. Sky background washed out. Comp Star= ASAS-3 232002+0142.2; Method= S; Cat= AU]
2011 Jul. 28.11 UT: m1=12.0, Dia.=2.5′, DC=3; 20cm SCT (100x); Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España) [Estrellas de comparación de la fotometría TASS]
2011 Jul. 26.02 UT: m1=14.6, Dia.=0.5′, DC=1/; 32cm L5 (124x); José Carvajal (Madrid, España) [Método: S, Cat: NP]
2011 Jul. 10.333 UT: m1=12.0, Dia.=2′, DC=2/; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2011 Jul. 05.07 UT: m1=12.0, Dia.=1.5′, DC=3; 20cm SCT (133x); Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España) [Coma elongada. Estrellas de comparación de la fotometría TASS]
2011 Jun. 26.76 UT: m1=11.9, Dia.=2.3’, DC=2; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Coma largely diffuse, small broad central condensation, no tail, moonlight affected, averted vision. Comp Star= ASAS-3 231031-0356.2; Method= S; Cat= AU]
2011 Jun. 24.58 UT: m1=13.2, Dia.= 1’, DC=0/1; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma very faint and diffuse, difficult, only visible using averted vision in periods of good seeing. Comp Star= ASAS-3 230818-0337.8; Method= S; Cat= AU]
2011 Jun. 06.77 UT: m1=12.9, Dia.=1.5’, DC=3/4; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma largely diffuse, small but noticeable increase in brightness of central condensation in periods of good seeing, enhances slightly with Swan band filter, averted vision. Comp Star= ASAS-3 225001-0718; Method= M; Cat= AU]
2011 Jun. 04.09 UT: m1=12.2, Dia.=1.2′, DC=5; 20cm SCT (133x); Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España) [Más brillante que lo previsto. Estrellas de campo comprobadas en el DSS. Estrellas de comparación de la fotometría Henden del campo de EI Psc. Altura sobre el horizonte: 16º]
2010 Jun. 14.20 UT: m1=18.6 ccd, Dia.=0.24′, DC=2/; 36cm L f/3.8 +CCD; Sergey Shurpakov (Baran’, Belarus)
2010 Feb. 20.40 UT: m1=19.1 ccd, Dia.=0.10′, DC=9; 0.36-m L f/3.8 + CCD; Sergey Shurpakov (Baran’, Belarus)

210P/Christensen
2014 Aug. 03.06 UT: m1=[11.1, Dia.=1.7′, NEGATIVE; 7.6cm f/4 L (15x); Marek Biely (Brno, Czech Republic) [Not visible. Fainter than 11.1 mag. Slight interference of astronomical twilight]
2014 July 27.84 UT: m2=14.8 CCD; 0.43-m f/6.8 astrograph + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely from Siding Spring, Australia) [poor quality images obtained at dawn: Sun Alt. -10 deg, El. 37.7 deg.]
2014 July 19.82 UT: m1=14.5 CCD, Dia.=0.48′, Tail=0.6′ in PA: 237 deg.; 0.43-m f/6.8 astrograph + CCD; A. Novichonok & T.Prystavski (iTelescope observatory, Q62 remotely Siding Spring, Australia)
2014 July 07.83 UT: m1=16.2 CCD, Dia.=0.2′, Tail=0.6′ in PA: 228 deg.; 0.32-m f/7.4 Ritchey-Chretien + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, Q62. Remotely from Siding Spring, Australia)

209P/LINEAR
2014 Aug. 07.50 UT: m1=17.3 CCD; 0.32-m f/7.4 Ritchey-Chretien + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely from Siding Spring, Australia)
2014 July 26.52 UT: m1=17.0 CCD; 0.43-m f/6.8 astrograph + CCD; A. Novichonok & T.Prystavski (iTelescope observatory, Q62 remotely from Siding Spring, Australia)
2014 July 19.57 UT: m1=17.1 CCD; 0.32-m f/7.4 Ritchey-Chretien + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely from Siding Spring, Australia)
2014 July 11.40 UT: m1=16.4: CCD; 0.32-m f/7.4 Ritchey-Chretien + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, Q62. Remotely from Siding Spring, Australia) [Uncertainty of estimates related to the presence of the Moon – Moon Phase 0.98]
2014 July 10.38 UT: m1=16.4: CCD; 0.32-m f/7.4 Ritchey-Chretien + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, Q62. Remotely from Siding Spring, Australia) [Uncertainty of estimates related to the presence of the Moon – Moon Phase 0.94]
2014 July 08.62 UT: m1=16.2 CCD; 0.50-m f/6.8 astrograph + CCD + focal reducer; A. Novichonok & T. Prystavski (iTelescope observatory, Q62. Remotely from Siding Spring, Australia)
2014 June 25.39 UT: m1=15.5 CCD, Tail=0.8′ in PA: 36 deg.; 0.32-m f/7.4 Ritchey-Chretien + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, Q62 Remotely from Siding Spring, Australia)
2014 June 05.58 UT: m1=12.4 CCD, Dia.=0.5′, Tail=&1.2′ in PA: 82 deg.; 0.32-m f/7.4 Ritchey-Chretien + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely from Siding Spring, Australia))
2014 June 02.16 UT: m1=12.8, Dia.=0.5′; DC=6/; 41cm L (70x); Alan Hale (Cloudcroft, New Mexico, USA) [There is still a pretty strong central condensation, but the rest of the coma seems a bit more prominent relative to that compared to what it has been]
2014 May  30.92 UT: m1=12.0:; 18cm L (57x); Alexandre Amorim (Florianopolis, Brazil)
2014 May  31.18 UT: m1=[11.4, negative; 15cm SCT (75x); Salvador Aguirre (Hermosillo, Sonora, Mexico)
2014 May  31.04 UT: m1=12.2, Dia.=0.8′, DC=7; 22cm L (160x); Marco Antonio Coelho Goiato (Araçatuba, Brazil)
2014 May  30.88 UT: m1=12.1, Dia.=0.6′, DC=7, no cola; 20cm SCT (118x); Carlos Labordena (Castellón, España)
2014 May  29.96 UT: m1=11.8, Dia.=1′, DC=7; 22cm L (160x); Marco Antonio Coelho Goiato (Araçatuba, Brazil) [strongly condensed, fast moviment through the stars, aproximately 12 arcmin in 30 minutes]
2014 May  29.92 UT: m1=12.0:, DC=7; 18cm L (57x); Alexandre Amorim (Florianopolis, Brazil)
2014 May  29.37 UT: m1=12.7, Dia.=0.7′, DC=7: 25.4cm L (114x); David A. J. Seargent (Cowra, NSW, Australia) Almost star-like central condensation. More coma visible than previous evening.
2014 May  29.36 UT: m1=12.4 CCD, Dia.=0.6′, Tail=&7′ in PA: 106 deg.; 0.32-m f/7.4 Ritchey-Chretien + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely from Siding Spring, Australia) [comet is on the edge of the image, so the real tail length may be underestimated]
2014 May  29.34 UT: m1=12.9, Dia.=0.7’, DC=6; 25cm L f:5 (83); Chris Wyatt (Walcha, NSW, Australia) [Narrow tail 1.3’ in length in P.A. 100° approximately, around 0.5′ in width. Outer coma diffuse and small with bright stellar central condensation, m2 approximately mag 13.3. Rapid motion of 2.5’ in a 6 minute observing period]
2014 May  29.17 UT: m1=12.8, Dia.=0.7′; 41cm L (70x); Alan Hale (Cloudcroft, New Mexico, USA)
2014 May  29.03 UT: m1=12.0:; 18cm L (57x); Alexandre Amorim (Florianopolis, Brazil)
2014 May  28.52 UT: m1=13.0, Dia.=<1′: 25.4cm L (114x); David A. J. Seargent (Cowra, NSW, Australia) [Appeared almost like a faint star under poor seeing at 114X. Seemed more diffuse but more difficult at 190X. Very rapid motion obvious in real time]
2014 May  27.19 UT: m1=12.7, Dia.=0.8′; 41cm L (70x); Alan Hale (Cloudcroft, New Mexico, USA)
2014 May  27.18 UT: m1=12.9 CCD, Dia.=0.62′, Tail=23′ in PA: 105 deg.; 0.1-m f/5.0 astrograph + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, H06 (remotely Mayhill, U.S.A.)
2014 May  26.37 UT: m1=13.1, Dia.=1’, DC=5/; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Inner coma shows hints of stellaring at centre in periods of good seeing, outer coma quite even in brightness and diffused. Hazy conditions, hint of an elongation to the East approximately. Motion of approximately 4’ to the SSE, noticeable over a 10 minute period]
2014 May  24.16 UT: m1=[11.0, negative; 15cm SCT (75x); Salvador Aguirre (Hermosillo, Sonora, Mexico)
2014 May  24.15 UT: m1=13.2, Dia.=0.8′, DC=3/; 30.5cm L f/4.9 (150x); Todd Augustyniak (Marengo Ridge Conservation Area, Marengo, Illinois, USA) [First observation; prior attempts from the outer suburbs of Chicago were unsuccessful. Darker skies and higher contrast were needed to see 209P/ as the comet is quite diffuse away from a tiny condensed core best glimpsed with averted vision.  False nucleus estimated at m2=14.6; faintest star visible in the same field at higher power (250x) was 14.9 magnitude.  Rapid motion; viewed comet for an hour.  Of the two, 134P/ was a bit easier to see.]
2014 May  23.88 UT: m1=13.2 CCD, Dia.=1.11′, Tail=25′ in PA: 111 deg.; 0.15-m f/7.3 refractor + CCD; A. Novichonok & T.Prystavski (AstroCamp Observatory, I89 remotely from Nerpio, Spain)
2014 May  22.88 UT: m1=13.3 CCD, Dia.=0.94′, Tail=27.8′ in PA: 109 deg.; 0.15-m f/7.3 refractor + CCD; A. Novichonok & T.Prystavski (AstroCamp Observatory, I89 remotely from Nerpio, Spain)
2014 May  22.38 UT: m1=13.4, Dia.=1’, DC=2; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma very diffuse with small bright inner coma. Observed over 35 minute period, rapid motion very noticeable. Thin hazy cloud passing through field made observation difficult, low altitude = 14.5°]
2014 May  21.90 UT: m1=13.5 CCD, Dia.=0.9′, Tail=9.5′ in PA: 107 deg.; 0.15-m f/7.3 refractor + CCD; A. Novichonok & T.Prystavski (AstroCamp Observatory, I89 remotely from Nerpio, Spain)
2014 May  20.88 UT: m1=13.7 CCD, Dia.=0.8′, Tail=15.5′ in PA: 108 deg.; 0.15-m f/7.3 refractor + CCD; A. Novichonok & T.Prystavski (AstroCamp Observatory, I89 remotely from Nerpio, Spain)
2014 May  19.88 UT: m1=13.7 CCD, Dia.=0.8′, Tail=10′ in PA: 107 deg.; 0.15-m f/7.3 refractor + CCD; A. Novichonok & T.Prystavski (AstroCamp Observatory, I89 remotely from Nerpio, Spain)
2014 May  19.87 UT: m1=14.5, Dia.=0.4’, DC=7; 50.8cm L (307x); Sandor Szabo (Sopron, Hungary) [Comet is droplike to PA 110 deg, 0.7’. There is a false starlike nucleus with 15.3 magnitude]
2014 May  16.87 UT: m2=14.3 CCD, Dia.=0.62′, Tail=6.2′ in PA: 106 deg.; 0.15-m f/7.3 refractor + CCD; A. Novichonok & T. Prystavski (AstroCamp Observatory, I89 remotely from Nerpio, Spain)
2014 May  12.87 UT: m2=14.6: CCD, Dia.=&0.5′, Tail=2.9′ in PA: 101 deg.; 0.15-m f/7.3 refractor + CCD; A. Novichonok & T. Prystavski (AstroCamp Observatory, I89 remotely from Nerpio, Spain) [uncertainty in brightness and coma diameter due to the full Moon]
2014 May  08.12 UT: m1=15.6 CCD, Dia.=0.3’; Measures taken on CCD images unfiltered; Pierre Laporte (Cd’OA des Monts Notre-Dame, Québec, Canada)
2014 May  06.15 UT: m1=[11.0, negative; 15cm SCT (75x); Salvador Aguirre (Hermosillo, Sonora, Mexico)
2014 May  04.24 UT: m1=15.6: CCD, Tail=&1.2′ in PA: 94 deg.; 0.43-m f/6.8 astrograph + CCD + f/4.5 focal reducer; A. Novichonok & T. Prystavski (iTelescope observatory, H06 remotely Mayhill, U.S.A.) [very close to a bright star HD 71088 visual magnitude 5.9. Coma is invisible]
2014 May  03.54 UT: m1=[14.3 negative; 40.0cm L f/4.5 (257x); Seiichi Yoshida (Gunma, Japan)
2014 Apr. 30.93 UT: m1=[15.2 NEGATIVE; 50.8cm L (307x); Sandor Szabo (Sopron, Hungary)
2014 Apr. 29.26 UT: m1=15.6 CCD, Dia.=0.37′, Tail=1.4′ in PA: 101 deg.; 0.1-m f/5.0 astrograph + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, H06 remotely Mayhill, U.S.A.)
2014 Apr. 28.29 UT: m1=15.7 CCD, Tail=1.0′ in PA: 99 deg.; 0.43-m f/6.8 astrograph + CCD + f/4.5 focal reducer; A. Novichonok & T. Prystavski (iTelescope observatory, H06 remotely Mayhill, U.S.A.)
2014 Apr. 22.16 UT: m1=[11.4, negative; 15cm SCT (36x); Salvador Aguirre (Hermosillo, Sonora, Mexico)
2014 Apr. 15.82 UT: m1=16.1 CCD, Dia.=0.24′, Tail=1.3′ in PA: 95 deg.; 0.7-m f/4.0 reflector + CCD; S. Nazarov & T. Prystavski (Crimean Astrophysical Observatory, MPC 095 / Crimea-Nauchnij)
2014 Apr. 08.91 UT: m1=16.2 CCD, Dia.=0.24′, Tail=&0.5′ in PA: 97 deg.; 0.7-m f/4.0 reflector + CCD; S. Sergeev, V. Doroshenko & T. Prystavski (Crimean Astrophysical Observatory, MPC 095 Crimea-Nauchnij)
2014 Apr. 03.14 UT: m1=[11.4, negative; 15cm SCT (36x); Salvador Aguirre (Hermosillo, Sonora, Mexico)
2014 Mar. 28.92 UT: m1=[15.8, NEGATIVE…50.8cm L (307x); Sandor Szabo (Sopron, Hungary)
2014 Mar. 25.38 UT: m1=16.5 CCD; 0.43-m f/6.8 astrograph + CCD + f/4.5 focal reducer; A. Novichonok & T.Prystavski (iTelescope observatory, H06. Remotely Mayhill, U.S.A.)
2014 Mar. 11.30 UT: m1=16.0 CCD, Dia.=0.22′, Tail=0.2′ in PA: 69 deg.; 0.61-m f/6.5 astrograph + CCD; A. Novichonok & T. Prystavski (Sierra Remote Observatory, U69. Auberry, California, USA)
2014 Mar. 10.40 UT m1=16.5 CCD; 0.43-m f/6.8 astrograph + CCD + f/4.5 focal reducer; A. Novichonok & T. Prystavski (iTelescope observatory, H06. Remotely Mayhill, U.S.A.)
2014 Mar. 04.42 UT: m1=16.8 CCD; 0.43-m f/6.8 astrograph + CCD + f/4.5 focal reducer; A. Novichonok & T. Prystavski (iTelescope observatory, H06. Remotely Mayhill, U.S.A.)
2014 Feb. 23.33 UT: m1=17.0 CCD; 0.43-m f/6.8 astrograph + CCD + f/4.5 focal reducer; A. Novichonok & T. Prystavski (iTelescope observatory, H06. Remotely Mayhill, U.S.A.)
2014 Jan. 19.12 UT: m1=17.6 CCD; 0.43-m f/6.8 astrograph + CCD + f/4.5 focal reducer; A. Novichonok & T. Prystavski (iTelescope observatory, H06. Remotely Mayhill, U.S.A.)

205P/Giacobini
2015 Oct. 19.76 UT: m1=16.1: CCD, Dia.=0.3′, Tail=0.9′ in PA: 247 deg.; [T31] 0.50-m f/6.8 astrograph + CCD + focal reducer; A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely from Siding Spring, Australia)
2015 Oct. 13.47 UT: m1=15.7: CCD, Dia.=&0.4′, Tail=&1.5′ in PA: 270 deg.; [T20] 0.1-m f/5.0 astrograph + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, H06 remotely from Mayhill, U.S.A.)
2015 Sep. 21.75 UT: m1=13.7, Dia.=0.4′, DC=4; 40.0-cm L f/4.5 (257x); Seiichi Yoshida (Gunma, Japan)
2015 Sep. 18.49 UT: m1=14.3 CCD, Dia.=0.48′, Tail=0.4′ in PA: 260 deg.; [T20] 0.1-m f/5.0 astrograph + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, H06 remotely from Mayhill, U.S.A.)
2015 Sep. 13.08 UT: m1=14.9, Dia.=0.2′, DC=6; 60.3-cm L (305x); Sandor Szabo (Sopron, Hungary) [Much brighter than expected, very compact]

201P/LONEOS
2015 Mar. 27.84 UT: m1=16.0 CCD, Dia.=0.6′; [T16] 0.15-m f/7.3 refractor + CCD; A. Novichonok & T. Prystavski (AstroCamp Observatory, I89 remotely from Nerpio, Spain)
2015 Mar. 23.80 UT: m1=17.4 CCD + R filter, Dia.=10″, DC 6,  Tail=1′ 30″ in PA: 91 deg.; 70-cm f/4 L + CCD; Alexander Baransky (Kyiv comet station MPC 585, Ukraine)
2015 Mar. 18.85 UT: m1=[15.5 NEGATIVE; 50.8 cm L (307x); Sandor Szabo (Sopron, Hungary)
2015 Mar. 05.84 UT: m1=16.6 CCD + R filter, Dia.=14″, DC 5,  Tail=49″ in PA: 88 deg.; 70-cm f/4 L + CCD; Alexander Baransky (Kyiv comet station MPC 585, Ukraine)
2015 Feb. 13.10 UT: m1=15.1 CCD, Dia.=0.55′, Tail=0.9′ in PA 59 deg; [T20] 0.1-m f/5.0 astrograph + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, H06 remotely from Mayhill, U.S.A.)
2015 Jan. 08.81 UT: m1=15.0 CCD, Dia.=0.58′, Tail=3.2′ in PA 74 deg; [T16] 0.15-m f/7.3 refractor + CCD; A. Novichonok & T.Prystavski (AstroCamp Observatory, I89 remotely from Nerpio, Spain)
2014 Dec. 19.80 UT: m1=15.4 CCD, Dia.=0.5′, Tail=5.2′ in PA: 67 deg.; [T16] 0.15-m f/7.3 refractor + CCD; A. Novichonok & T. Prystavski (AstroCamp Observatory, I89 remotely from Nerpio, Spain)
2014 Nov. 19.13 UT: m1=15.5 CCD, Dia.=0.39′, Tail=3.2′ in PA: 69 deg.; [T20] 0.1-m f/5.0 astrograph + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, H06, remotely Mayhill, U.S.A.)
2014 Oct. 18.79 UT: m1=15.4, Dia.=0.2’, DC=4; 50.8cm L (351x); Sandor Szabo (Sopron, Hungary)
2014 Sep. 11.39 UT: m1=15.5: CCD, Dia.=&0.3′, Tail=0.8′ in PA: 30 deg.; [T9] 0.32-m f/7.4 Ritchey-Chretien + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, Q62, remotely from Siding Spring, Australia)

193P/LINEAR-NEAT
2014 Oct. 08.43 UT: m1=16.9 CCD, Dia.=0.3′, Tail=0.3′ in PA: 90 deg.; [T17] 0.43-m f/6.8 astrograph + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, Q62, remotely Siding Spring, Australia)) [images obtained during lunar eclipse to avoid moonlight interference]

191P/McNaught
2015 Jan. 14.90 UT: m1=17.9 CCD + R filter, Dia.=6″, DC 4, 70-cm f/4 L + CCD; Alexander Baransky (Kyiv comet station MPC 585, Ukraine)
2014 Nov. 27.49 UT: m1=18.0: CCD, Dia.=0.2′; [T20] 0.1-m f/5.0 astrograph + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, H06, remotely Mayhill, U.S.A.) [2 frames were co-added for the photometry]

189P/NEAT
2012 Jul. 23.93 UT: m1=14.4 ccd + V filter, Dia.=0.3′; 15cm L f:5; Mieczyslaw Leszek Paradowski (Lublin, Poland) [Calibration stars taken from Henden SV_SGE sequence (HN) registered on the same 27 frames]
2012 Jul. 20.94 UT: m1=[14.8, Dia.=0′.6, DC=-; 35cm reflector (219x); Jakub Cerny (Korcula Island, Croatia)
2012 Jul. 13.01 UT: m1=14.5, Dia.=0.4′, DC=7; 20cm SCT (133x); Juan José González (Pandorado, 1190 m alt., León, España) [Estrellas de campo comprobadas en el DSS. Estrellas de comparación de la fotometría Henden del sector de Z UMi. Cielo muy claro de montaña.]

185P/Petriew
2012 Sep. 22.37 UT: m1=12.8 ccd, Dia.=1.5′; 30.5cm schmidt-cassegrain; Jakub Cerny [robotic telescope FRAM in Malargue, Argentina]
2012 Sep. 17.05 UT: m1=12.2:, Dia.=2.2′, DC=2/; 35.6cm L (133x); Artyom Novichonok (Shadzhatmaz, Caucasus, Russia) [Bright and vague, zodiacal light]
2012 Sep. 16.04 UT: m1=12.0:, Dia.=2.2′, DC=2/; 35.6cm L (133x); Artyom Novichonok (Shadzhatmaz, Caucasus, Russia)
2012 Sep. 15.79 UT: m1=11.5, Dia.=2.4′, DC=3; 40.0cm L f/4.5 (75x); Seiichi Yoshida (Gunma, Japan)
2012 Sep. 14.75 UT: m1=11.0, Dia.=2’, DC=2/3; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [No tail, very diffuse coma with weak central condensation, averted vision. Extinction corrected; Method=S; Cat=AQ]
2012 Sep. 14.12 UT: m1=11.5, Dia.=2′; 32cm reflector; Uwe Pilz (Leipzig, Germany)
2012 Sep. 13.04 UT: m1=12.8:, Dia.=1.8′, DC=3; 35.6cm L (133x); Artyom Novichonok (Shadzhatmaz, Caucasus, Russia)
2012 Aug. 26.88 UT, m1=10.7, Dia.=3′, DC=2; 20cm reflector; Man-To Hui (Luogang, Canton, China) [city lights and twilight. The comet appears very diffuse]
2012 Aug. 24.79 UT: m1=10.5, Dia.= 2.8’, DC=2/3; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [No tail, slight interference by zodiacal light and Venus. Method=S; Cat=AQ]
2012 Aug. 24.33 UT: m1=12.4 ccd, Dia.=0.6’, tail: 0.6′ PA: 278°; Measures taken on CCD images; Pierre Laporte (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada)
2012 Ago. 22.15 UT: m1=9.7, Dia.=5′, DC=2; 20cm SCT (77x); Juan José González (Alto del Castro – Aralla, alt. 1720 m, León, España) [Varias estrellas en la coma, siendo la más brillante de magnitud 12.0 (Tycho-2)].
2012 Aug. 19.80 UT: m1=11.2, Dia.=3’, DC= 2; 25cm L f:5 (39x); Chris Wyatt Walcha, NSW, Australia] [No tail, coma diffuse, slight haze in local atmosphere. Method= S; Cat= TK]
2012 Aug. 19.75 UT: m1=10.1, Dia.=3.6′, DC=4; 40.0cm L f/4.5 (75x); Seiichi Yoshida (Gunma, Japan)
2012 Aug. 18.40 UT: m1=11.9, Dia.=0.8′, 30.5cm schmidt-cassegrain; Jakub Cerny (Czech Republic) [robotic telescope FRAM in Malargue, Argentina]
2012 Ago. 18.14 UT: m1=11.3, Dia.=2′, DC=4, no cola; 23.5cm SCT(94x); Carlos Labordena (Castellón, España)
2012 Aug. 17.79 UT: m1=10.8, Dia.=2.2’, DC=2; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [No tail, coma appears large and diffuse, gradually increasing brightness to centre with a broad patch of light, enhances using Swan Band filter. Method= S; Cat= AQ]
2012 July 31.33 UT: m1=11.5, DC=3; Visual Aperture 36″ F/3.5; Jean-François Viens (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada)
2012 July 28.31 UT: m1=11.0, DC=4; Visual Aperture 36″ F/3.5; Jean-François Viens (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada)
2012 Jul. 28.41 UT: m1=11.7 ccd, Dia.=1′.6; 30.5cm schmidt-cassegrain + CCD; Jakub Cerny [remotly FRAM Malargue, Argentina]
2012 Jul. 28.36 UT: m1=11.0 (S), Dia.=2′, DC=3; 22cm L (160x); Marco Goiato (Araçatuba, Brasil)
2012 Jul. 27.41 UT: m1=12.1 ccd, Dia.=1′.6; 30.5cm schmidt-cassegrain + CCD; Jakub Cerny [remotly FRAM Malargue, Argentina]
2012 Jul. 23.13 UT: m1=10.4, Dia.=3.5′, DC=2/; 20cm SCT (77x); Juan José González (Alto del Castro – Aralla, alt. 1720 m, León, España) [Mejores condiciones atmosféricas de observación permitieron realizar una estimación más brillante que la obtenida hace seis días]
2012 Jul. 21.35 UT: m1=11.3 (S), Dia.=1.5′, DC=4; 22cm L (160x); Marco Goiato (Araçatuba, Brasil)
2012 Jul. 19.04 UT: m1=13.5, Dia.=0′.9, DC=4; 35cm reflector (117x); Jakub Cerny (Korcula Island, Croatia)
2012 Jul. 17.13 UT: m1=11.0, Dia.=2.5′, DC=2; 20cm SCT (100x); Juan José González (Pandorado, 1190 m alt., León, España)

184P/Lovas
2013 Oct. 14.09 UT: m1=18.5 CCD, Dia.=0.25′; 0.40-m f/8 Ritchey-Chretien + CCD; V.Gerke & T.Prystavski (Ka-Dar observatory, TAU station C32, remotely Nizhniy Arkhyz, Russia)
2013 Oct. 12.06 UT: m1=18.6 CCD, Dia.=0.22′; 0.40-m f/8 Ritchey-Chretien + CCD; V.Gerke & T.Prystavski (Ka-Dar observatory, TAU station C32, remotely Nizhniy Arkhyz, Russia)

176P/LINEAR
2010 Jun. 10.40 UT: m1=19.7 ccd, Dia.=0.17′, DC=8/; 36cm L f/3.8 +CCD; Sergey Shurpakov (Baran’, Belarus)

175P/Hergenrother
2013 Jul. 05.38 UT: m1=16.4 CCD, Dia.=0.31′, Tail=0.3′ in PA 128 deg.; 0.51-m f/4.5 astrograph + CCD; A. Novichonok & T.Prystavski (iTelescope observatory Q62. Remotely Siding Spring, Australia)
2013 Jun. 01.16 UT: m1=15.7 CCD, Dia.=0.52′ Tail=0.6′ in PA 102 deg.; 0.43-m f/4.5 astrograph + CCD; A. Novichonok & T.Prystavski (iTelescope observatory, H06, remotely Mayhill, U.S.A.)
2013 Apr. 29.14 UT: m1=15.9 CCD, Dia.=0.46′; 0.11-m f/5.0 refractor + CCD; A. Novichonok & T.Prystavski (iTelescope observatory, H06 (remotely Mayhill, U.S.A.)
2013 Feb. 07.95 UT: m1=16.0 CCD, Dia.=0.79′, Tail=0.7′ in PA 284 deg.; 0.40-m f/8 Ritchey-Chretien + CCD; V.Gerke & T.Prystavski (Ka-Dar observatory, TAU station C32, remotely Nizhniy Arkhyz, Russia)
2013 Jan. 11.03 UT: m1=16.9 CCD, Dia.=0.39′, Tail=0.7′ in PA 286 deg.; 0.40-m f/8 Ritchey-Chretien + CCD; V.Gerke & T.Prystavski (Ka-Dar observatory, TAU station C32, remotely Nizhniy Arkhyz, Russia)

174P/Echeclus
2016 Oct. 31.76 UT: m1=[15.8, Negative; 60-cm L (305x); Sandor Szabo (Sopron, Hungary) [Not seen, fainter than 15.8 mag]
2016 Sep. 29.89 UT: m1=15.4, Dia.=0.3’, DC=3; 60-cm L (305x); Sandor Szabo (Sopron, Hungary)
2016 Sep. 06.03 UT: m1=15.2 CCD, Dia.=0.39′, DC=6/; 0.25-m L f/4.7 + CCD; Sergey Shurpakov (C36, Baran’, Belarus)
2016 Sep. 07.06 UT: m1=15.8 CCD, Dia.=0.35′, DC=6/, Tail=1.6′ in PA: 252 deg.; 0.25-m L f/4.7 + CCD; Sergey Shurpakov (C36, Baran’, Belarus)
2016 Sep. 01.72 UT: m1=15.0, Dia.=0.3′, DC=4; 40.0-cm L f/4.5 (257x); Seiichi Yoshida (Gunma, Japan)
2016 Sep. 01.05 UT: m1=14.9 CCD, Dia.=0.44′, DC=7/; 0.25-m L f/4.7 + CCD; Sergey Shurpakov (C36, Baran’, Belarus)
2016 Sep. 01.04 UT: m1=15.4, Dia.=0.25′, DC=5; 60-cm L (305x); Sandor Szabo (Hungary)
2016 Ago. 30.09 UT: m1=14.8, Dia.=–, DC=9; 20-cm SCT (133x); Juan José González (Pandorado, alt. 1190 m, León, España) [En outburst. Apariencia estelar. Estrellas de comparación de la fotometría APASS. Estrellas de campo comprobadas en el DSS. Cielo muy claro de montaña]
2015 Sep. 12.99 UT: m1=[15.8, NEGATIVE; 60.3-cm L (305x); Sandor Szabo (Sopron, Hungary) [Not seen, fainter than 15.8 mag]
2014 Sep. 28.02 UT: m1=17.5, DC=9; Visual 36″ F/3.5; Jean-François Viens (Cd’OA des Monts Notre-Dame, Québec, Canada)
2014 Sep. 16.38 UT: m1=17.1 CCD; [T9] 0.32-m f/7.4 Ritchey-Chretien + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, Q62, remotely from Siding Spring, Australia)
2014 Aug. 30.09 UT: m1=17.3 CCD; Dia.=0.3’; CCD images unfiltered; Pierre Laporte (Cd’OA des Monts Notre-Dame, Québec, Canada)
2014 Aug. 27.99 UT: m1=[14.5, Dia.=0.3′; 40cm L (230x); Jakub Cerny (Zachotin, Czech Republic)
2014 Aug. 24.15 UT: m1=17.2, DC=9; Visual, 36″ F/3.5; Jean-François Viens (Cd’OA des Monts Notre-Dame, Québec, Canada)
2014 July 25.98 UT: m1=[15.5, Dia.=0.8′; 35cm L (239x); Jakub Cerný (Czech Republic)
2011 Jun. 04.01 UT: m1=14.3, Dia.=0.4′, DC=6; 20cm SCT (206x); Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España) [Estrellas de campo comprobadas en el DSS. Estrellas de comparación de la fotometría Henden de los campos SA132 y V818 Sco. Magnitud límite estelar de 15.3 (GSC) en el sector del cometa. Cielo muy claro de montaña]

170P/Christensen
2014 Sep. 26.51 UT: m1=16.8 CCD, Dia.=0.30′; [T9] 0.32-m f/7.4 Ritchey-Chretien + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, Q62, remotely from Siding Spring, Australia)

169P/NEAT
2014 Mar. 29.10 UT: m1=17.2: CCD; 0.43-m f/6.8 astrograph + CCD + f/4.5 focal reducer; A. Novichonok & T.Prystavski (iTelescope observatory, H06. Remotely Mayhill, U.S.A.)
2014 Mar. 01.08 UT UT: m1=13.5: CCD, Dia.=&0.7′; 0.11-m f/5.0 refractor + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, H06. Remotely Mayhill, U.S.A.)
2010 Feb. 20.41 UT: m1=15.9 ccd, Dia.=0.27′, DC=8; 0.36-m L f/3.8 + CCD; Sergey Shurpakov (Baran’, Belarus)
2010 Feb. 06.36 UT: m1=15.7 ccd, Dia.=0.35′, DC=9; 0.36-m f/3.8 reflector + CCD; Sergey Shurpakov (Baran’, Belarus)
2010 Fev. 04.052 UT: m1=14.3:, Dia.=0.25′, DC=6/; 22cm L f:6.5 (230x); Marco Goiato (Araçatuba, Brasil) [próximo ao meu limite visual]
2010 Jan. 24.52 UT: m1=16.5 ccd, Dia.=0.28′, DC=9; 0.15-m f/7 refractor + CCD; Sergey Shurpakov (D96, Australia)
2009 Nov. 18.77 UT: m1=9.2, Dia.=4′, DC=2/; 20cm SCT (100x); Juan José González (Pico Cueto – Busfrío – Cudillero, alt. 770 m, Asturias, España) [Significativamente más brillante que las previsiones. Amplia coma elongada con débil región externa. Cielo muy claro de montaña. Fin del crepúsculo astronómico. Altura sobre el horizonte: 9º]
2002 Mar. 20.44 UT: m1=19.4 CCD; 1.2-m Schmidt + CCD; R. Bambery, E. Helin, S. Pravdo, M. Hicks, K. Lawrence, P. Kervin, T. Prystavski (Near-Earth Asteroid Tracking NEAT, MPC 644)
2002 Mar. 15.34 UT: m1=19.5 CCD; 1.2-m Schmidt + CCD; R. Bambery, E. Helin, S. Pravdo, M. Hicks, K. Lawrence, P. Kervin, T. Prystavski (Near-Earth Asteroid Tracking NEAT, MPC 644)
2002 Feb. 24.52 UT: m1=19.8: CCD; 1.2-m Schmidt + CCD; R. Bambery, E. Helin, S. Pravdo, M. Hicks, K. Lawrence, P. Kervin, T. Prystavski (Near-Earth Asteroid Tracking NEAT, MPC 644)
2001 Dec. 23.65 UT: m1=20.0: CCD; 1.2-m Schmidt + CCD; R. Bambery, E. Helin, S. Pravdo, M. Hicks, K. Lawrence, P. Kervin, T. Prystavski (Near-Earth Asteroid Tracking NEAT, MPC 608) [comet was not seen on the single images, but clearly observed on a co-added image]

168P/Hergenrother
2013 Jan. 15.86 UT: m1=17.3 CCD, Dia.=0.3′, Tail=0.7′ in PA 82 deg.; 0.40-m f/8 Ritchey-Chretien + CCD; V.Gerke & T.Prystavski (Ka-Dar observatory, TAU station C32, remotely Nizhniy Arkhyz, Russia)
2013 Jan. 10.82 UT: m1=16.9 CCD, Dia.=0.4′, Tail=0.8′ in PA 89 deg.; 0.40-m f/8 Ritchey-Chretien + CCD; V.Gerke & T.Prystavski (Ka-Dar observatory, TAU station C32, remotely Nizhniy Arkhyz, Russia)
2013 Jan. 03.03 UT: m1=17.01 ccd, Dia.=0.3’; Measures taken on CCD images unfiltered; Clermont Vallière (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada) [comparison star 3UCAC 267-0101028 mag.=15.75]
2012 Dec. 31.09 UT: m1=17.14 ccd, Dia.=0.3’; Measures taken on CCD images unfiltered;  Clermont Vallière (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada) [comparison star 3UCAC 267-010795 mag.=15.54]
2012 Dec. 16.80 UT: m1=[13.0; 20cm L (222x); Artyom Novichonok (Konchezero, Russia)
2012 Dec. 16.13 UT: m1=15.3 ccd, Dia.=0.3′; Clermont Vallière (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada)
2012 Dec. 15.09 UT: m1=15.5 ccd, Dia.=0.2′; Clermont Vallière (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada)
2012 Dec. 12.05 UT: m1=15.9 ccd, Dia.=0.2′; Clermont Vallière (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada)
2012 Dec. 09.71 UT: m1=15.0, Dia.=0.3′, DC=2, 50.8cm (307x); Sandor Szabo (Sopron, Hungary) [Very small and diffuse comet, became very faint in just some weeks]
2012 Dec. 08.86 UT: m1=11.3, Dia.=3′, DC=2, Cola: no visible; 23.5cm SCT (94x); Carlos Labordena (Castellón, España)
2012 Dec. 05.74 UT: m1=13.2, Dia.=0,5′, DC=1; 32cm L f:5 (120x); Uwe Pilz (Leipzig, Germany)
2012 Dec. 04.08 UT: m1=[11.3; 15cm SCT (37x); Salvador Aguirre (Hermosillo, Sonora, Mexico)
2012 Dic. 02.80 UT: m1=11.2, Dia.=3.5′, DC=2; 20cm SCT (77x); Juan José González (Alto del Trichero – Soto y Amío, alt. 1190 m, León, España) [Coma elongada]
2012 Nov. 24.39 UT: m1=10.8, Dia.=2.8′, DC=4/; 40.0cm L f/4.5 (75x); Seiichi Yoshida (Gunma, Japan)
2012 Nov. 17.04 UT: m1=12.9 ccd, Dia.=0.3’, tail=1,3′ in PA:120°; Clermont Vallière (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada)
2012 Nov. 17.03 UT: m1=13.7 ccd, Dia.=0.2′, tail=1,6′ in PA:123°; Clermont Vallière (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada)
2012 Nov. 14.03 UT: m1=12.3 ccd, Dia.=0.3′, tail=1,0′ in PA:130°; Clermont Vallière (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada)
2012 Nov. 13.74 UT: m1=11.0, Dia.=2′; 32cm reflector; Uwe Pilz (Leipzig, Germany)
2012 Nov. 12.91 UT: m1=10.5, Dia.=3′, DC=4, Cola:0.1º en AP:130º; 20cm SCT (77x); Juan José González (Pandorado, alt. 1190 m, León, España)
2012 Nov. 11.03 UT: m1=11.8 ccd, Dia.=0.5′, tail=1,3′ in PA:122°; Clermont Vallière (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada)
2012 Nov. 10.96 UT: m1=11.2, DC=4; Visual Aperture 10,2cm; Jean-François Viens (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada)
2012 Nov. 10.96 UT: m1=12.4 ccd, Dia.=0.4′, tail=1,8′ in PA:132°; Clermont Vallière (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada)
2012 Nov. 10.95 UT: m1=12.4 ccd, Dia.=0.4′, tail=2,4′ in PA:128°; Clermont Vallière (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada)
2012 Nov. 06.90 UT: m1=10.3, Dia.=3.5′, DC=4, Tail: 0.15 deg. in PA 140 deg.; 20cm SCT (77x); Juan José González (Pandorado, alt. 1190 m, León, España)
2012 Nov. 06.11 UT: m1=11.3, Dia.=3´, DC=3, Cola: No visible; 15cm SCT (37x); Salvador Aguirre (Hermosillo, Sonora, Mexico)
2012 Nov. 04.82 UT: m1=10.3, Dia.=3.5′, DC=4, Tail: 0.15 deg. in PA 140 deg.; 20cm SCT (77x); Juan José González (Collada del Fresno – Sierra del Aramo, alt. 1221 m, Asturias, España)[m2=13.3 (APASS). Cola en abanico entre 110º y 170º, de longitud 0.15º en AP 140º]
2012 Nov. 05.00 UT: m1=10.5 (S), Dia=2′, DC=3; 22cmL (160x); Marco Goiato (Araçatuba, Brasil)
2012 Oct. 24.03 UT: m1=10.9 ccd, Dia.=0.3′, tail=4,7′ in PA:130°; Clermont Vallière (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada)
2012 Oct. 21.67 UT: m1=9.9, Dia.=2.6′, DC=5; 20cm reflector; Man-To Hui (Luogang, Canton, China) [city lights and heavy haze; 4′ tail in p.a. 150 deg.)
2012 Oct. 21.08 UT: m1=10.5, Dia.=3´, DC=4, Cola: no visible; 15cm SCT (37x); Salvador Aguirre (Hermosillo, Sonora, Mexico)
2012 Oct. 20.88 UT: m1=9.8, Dia.=3′.0, DC=5; 25.4cm reflector (60x); Vyacheslav Ivanov (Melovoe. Russia) [Fairly bright. compact and elongated coma. Strong wind. t+4°C. LM=6.6m. Blue zone of light pollution]
2012 Oct. 20.81 UT: m1=9.7, Dia.=2′, DC=7, Tail: 0.08 deg in PA 140 deg; 20.3cm L (48x); Mieczyslaw Leszek Paradowski (Dabrowa, Poland) [Comparison stars taken from Tycho-2 (TK)]
2012 Oct. 20.55 UT: m1=10.2, Dia.=2.0′, DC=3/; 20cm Dobson; Con Stoitsis (Nagambie, Victoria, Australia) [Faint central condensation better seen with averted vision. The coma become noticeably more diffused as you looked to the edges. Very short broad tail to South, aprox 1.5′ in length]
2012 Oct. 19.99 UT: m1=9.6, Dia.=4, DC=5; 10×50 B; Piotr Guzik (Bogdanówka, Poland) [Method=M; Cat=TT]
2012 Oct. 19.86 UT: m1=9.7, Dia.=2.8′, DC=5, Tail:~5,4′, PA=160-170; 130mm L (43x, 65x, 75x); Danil Sidorko (Korenovsk, Russia)
2012 Oct. 19.81 UT: m1=9.4, Dia.=5′, DC=5; 25×100 B; Juan José González ( Pico Cueto – Busfrío – Cudillero, alt. 725 m, Asturias, España) [En 20 cm SCT (77x): m1=9.6. m2=12.6 (APASS). Débil coma externa: 5′. Cola en abanico entre 130º y 170º, de longitud 0.15º en AP 150º. Cielo muy claro de montaña]
2012 Oct. 19.22 UT: m1=9.2 ccd, Dia.=2.6′; 30.5cm schmidt-cassegrain; Jakub Cerny [robotic telescope FRAM in Malargue, Argentina]
2012 Sep. 18.97 UT: m1=12.3, Dia.=1′.5, DC=5; 25.4cm reflector (60x); Vyacheslav Ivanov (Melovoe. Russia) [Moderately bright and compact coma. Not wind. t +10°C. LM=7.5m. Blue zone of light pollution]
2012 Oct. 18.93 UT: m1=9.5, Dia.=3′.5, DC=5; 25.4cm reflector (60x); Vyacheslav Ivanov (Melovoe. Russia) (Fairly bright. compact and elongated coma. Very strong wind. t+7°C. LM=6.6m. Blue zone of light pollution]
2012 Oct. 18.82 UT: m1=9.6, Dia.=2.6′, DC=4, Tail:~6′, PA=175; 130mm L (43x, 65x, 75x); Danil Sidorko (Korenovsk, Russia)
2012 Oct. 18.41 UT: m1=10.5, Dia.=2.5’, DC=4; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Coma very diffuse, central condensation smeared, broad tail to SE approximately 3’ in length, observation affected by smoke haze from local bushfires. Method= M; Cat= AQ]
2012 Oct. 18.06 UT: m1=9.5, Dia.=2′, DC=4; 20×100 B; Marco Goiato (Araçatuba, Brasil)
2012 Oct. 17.90 UT: m1=9.7, Dia.=2′, DC=7; 10cm M (48x); Mieczyslaw Leszek Paradowski (Lublin, Poland) [City lights. Comparison stars taken from Tycho-2 (TK)]
2012 Oct. 17.07 UT: m1=10.5 ccd, Dia.=0.1′, tail=3,4’in PA:143°; Clermont Vallière (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada)
2012 Oct. 15.06 UT: m1=9.3, Dia.=2.5′, DC=5; 20×100 B; Marco Goiato (Araçatuba, Brasil)
2012 Oct. 14.15 UT: m1=9.4, Dia.=1.5’, DC=1, Cola: no visible; 25cm SCT (62x); Alberto Anunziato (Oro Verde, Argentina) [Mét. Sidgwick, Cat. Tycho II]
2012 Oct. 13.92 UT: m1=9.2, Dia.=3′, DC=7, Cola=5′; 23.5cm SCT (67x); Carlos Labordena (Castellón, España)
2012 Oct. 13.03 UT: m1=9.7 ccd, Dia.=0.1′, tail=3,7’in PA:151°; Clermont Vallière (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada)
2012 Oct. 12.82 UT: m1=9.1, Dia.=&5′, DC=5; 10×50 B; Piotr Guzik (Szklary, Poland) [Comet easily seen in binoculars thanks to excellent conditions – NELM ~7.4 mag. Method=M; Cat=TT]
2012 Oct. 12.81 UT: m1=9.6, Dia.=3′, DC=5, Tail:5´ PA:150 deg.; 20.3cm L f:6 (63x); Piotr Guzik (Szklary, Poland) [Method=M; Cat=TT]
2012 Oct. 12.493 UT: m1=10.2, Dia.=2′, DC=6; 11.4cm f8 refl (43x); Rob Kaufman (Bright, Vic, Australia) [Small starlike central condensation clear in averted vision, glimpses in direct vision; small coma faintly elongated to south. Comparison stars checked using NOMAD1 data in ViZier; Method=M; alt 25-deg.]
2012 Oct. 11.99 UT: m1=9.4, Dia.=4′, DC=6; 10×50 B; Piotr Guzik (Krosno, Poland) [Method=M; Cat=TT]
2012 Oct. 11.98 UT: m1=9.7, Dia.=3′, DC=6, Tail:4´ PA:150 deg.; 20.3cm L f:6 (63x); Piotr Guzik (Krosno, Poland) [Very bright and well condensed object. Broad tail 4′ long easily seen in the telescope. Method=M; Cat=TT]
2012 Oct. 11.76 UT: m1=9.5, Dia.=4.3′, DC=6; 20.0cm reflector; Man-To Hui (Luogang, Canton, China) [city lights and heavy haze; comet extremely close to a 10.7 mag star]
2012 Oct. 10.42 UT: m1=10.2, Dia.=2.5’, DC=5/6; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Tail to SSE, coma has bright central condensation, showing glimpses of being stellar, broad faint tail from SSW to ESE extending primarily in the SSE for 4.5’ in length. Inner coma bright, behind inner coma there is a bright elongation in tail direction, broadly formed and tapering in brightness. Method=M; Cat=TA]
2012 Oct. 09.77 UT: m1=9.6, Dia.=1.0′, DC=7, tail:0.07° in AP:180°; 32cm L f:5 (96x); Uwe Pilz (Leipzig, Germany)
2012 Oct. 09.70 UT: m1=9.5, Dia.=2.0′, DC=6/; 20cm Dobson F6; Con Stoitsis (Clonbinane, Victoria, Australia) [Due to the conditions the comet seemed washed out. I couldn’t detect the tail visually]
2012 Oct. 09.26 UT: m1=8.6 ccd, Dia.=2.6′; 30.5cm schmidt-cassegrain; Jakub Cerny [robotic telescope FRAM in Malargue, Argentina]
2012 Oct. 09.09 UT: m1=9.3, Dia.=3′, DC=6; 22cm L (60x); Marco Goiato (Araçatuba, Brasil)
2012 Oct. 09.09 UT: m1=9.5, Dia.=3′, DC=7, Cola: si visible; 15cm SCT (37x); Salvador Aguirre (Hermosillo, Sonora, Mexico)
2012 Oct. 09.08 UT: m1=9.1, Dia.=3′, DC=5; 20×100 B; Marco Goiato (Araçatuba, Brasil)
2012 Oct. 08.76 UT: m1=9.5, Dia.=4.3′, DC=6; 20.0cm reflector; Man-To Hui (Luogang, Canton, China) [city lights and heavy haze; comet extremely close to a 10.7 mag star)
2012 Oct. 08.44 UT: m1=9.3; 25×100 B; David A. J. Seargent (Cowra, NSW, Australia)
2012 Oct. 08.10 UT: m1=9.2, Dia.=3′, DC=5; 22cm L (60x); Marco Goiato (Araçatuba, Brasil) [very near a star with m1:9.21]
2012 Oct. 07.98 UT: m1=10.3, Dia.=0′.5, DC=7; 18cm L (57x); Alexandre Amorim (Florianopolis, Brazil)
2012 Oct. 07.86 UT: m1=9.8, Dia.=2.1′, DC=4; 7cm R (39x); José J. Chambó (Realengo de la Plana, Valencia, España) [Cat=Tycho2, Met=Sidgwick, VLMag=5,5]
2012 Oct. 07.46 UT: m1=9.4, Dia.=3′, DC=5, tail=0.2 degrees pa=150 degrees; 25×100 B; David A. J. Seargent (Cowra, NSW, Australia) [Noticeably fainter through Swan band filter. In 25.4 reflector, condensation appeared elongated in direction of tail at 71x and, especially, at 114x)
2012 Oct. 07.20 UT: m1=9.2 ccd, Dia.=1.8′; 30.5cm schmidt-cassegrain; Jakub Cerny [robotic telescope FRAM in Malargue, Argentina]
2012 Oct. 06.906 UT: m1=10.0, Dia.=1.5′, DC=6; 11.4cm L f8 (43x); Rob Kaufman (Bright, Victoria, Australia] [Small bright central condensation, small coma faintly elongated to south. Comparison stars checked using NOMAD1 data in ViZier; Method=M.]
2012 Oct. 06.89 UT: m1=9.2, Dia.=3′, DC=6, Tail:6′; 20cm SCT (98x); Stephen McCann (Southampton, England)
2012 Oct. 06.80 UT: m1=9.2, Dia.=3′, DC=6; 10×50 B; Piotr Guzik (Wronin, Poland) [NELM ~6.5 mag, comet only faintly seen in 10x50B. Method=S; Cat=TK]
2012 Oct. 06.77 UT: m1=9.3; Dia.=2.5′, DC=7; 18×50 B; Timo Karhula (Virsbo, Sweden) [I could also glimpse comet 168P/Hergenrother with hand-held 10×50 binoculars where it was in the same FOV as Alpha Andromedae]
2012 Oct. 05.85 UT: m1=9.6, Dia.=5′, DC=6; 25×100 B; Juan José González (Ranedo de Curueño, alt. 1075 m, León, España) [En 20 cm SCT (77x): m1=9.7. En evolución después del reciente outburst; m2=11.3 (Tycho-2). Débil coma externa: 6′; región interna más brillante: 1.5′. Cola en abanico entre 140º y 190º, de longitud 0.15º en AP 165º. Cielo muy claro de montaña]
2012 Oct. 05.78 UT: m1=9.5, Dia.=3′, DC=7; 18×50 B; Timo Karhula (Virsbo, Sweden] [I first found comet 168P surprisingly bright with 25x100B. Small, condensed and with a 11.5 mag stellar nucleus. Estimated afterwards with Canon 18×50 IS binoculars]
2012 Oct. 04.42 UT: m1=10.1, Dia.=2.4’, DC=6; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Outer coma appears tenuous while the inner coma is almost circular and bright with stellar central condensation. Elongation tends to spread broadly from outer coma to the South, with inner portion of the broad extension forming a faint tail approximately 2.5’ in length and less than 1’ in width, using averted vision. Inner coma and central condensation visible using Swan Band filter but outer coma and tail disappear using Swan Band filter. Method=M; Cat=TA]
2012 Oct. 03.46 UT: m1=9.8, Dia.=2′, DC=7; 20cm L (67x); Michael Mattiazzo (Castlemaine, Victoria, Australia) [Comet appears as a small but highly condensed object, with a hint of tail in pa:190]
2012 Sep. 30.89 UT: m1=10.4 ccd + V filter, Dia.=1.3′; 15cm L f:5; Mieczyslaw Leszek Paradowski (Lublin, Poland) [Calibration stars registered on the same 9 frames taken from ASAS-3 (AU)]
2012 Sep. 24.67 UT: m1=10.8, Dia.=1.7’, DC=6/7; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Coma has a bright central condensation with thin coma edges, appears to have a tail to the SW about 1.8’ in length and less than 1’ in width, best seen using averted vision. Coma does not appear to enhance with Swan Band filter. Method=M; Cat=TA]
2012 Sep. 23.23 UT: m1=11.1 (M), Dia.=2.5′, DC=7; 22cm L (160x); Marco Goiato (Araçatuba, Brasil)
2012 Sep. 23.20 UT: m1=11.3, Dia.=1.3′, DC=8; 30.5cm reflector (115x); Todd Augustyniak (Bartlett, IL, USA) [Very easy to see. Strongly condensed, near stellar false nucleus (m2=12.4)]
2012 Sep. 23.00 UT: m1=11.2, Dia.=2.8′, DC=5, Tail: 0.17 deg in PA 200 deg; 20.3cm L f:5.9 (71x); Mieczyslaw Leszek Paradowski (Dabrowa, Poland) [Comparison stars taken from APASS (AQ). Stellar central condensation]
2012 Sep. 22.11 UT: m1=11.2 ccd, Dia.=2.0′; 30.5cm schmidt-cassegrain; Jakub Cerny [robotic telescope FRAM in Malargue, Argentina]
2012 Sep. 17.97 UT: m1=12.4, Dia.=1.1′, DC=5; 35.6cm L (133x); Artyom Novichonok (Shadzhatmaz, Caucasus, Russia) Bright and moderately condensed, easy to see
2012 Sep. 09.88 UT: m1=13.3, Dia.=1.3′, DC=3; 50.8cm L (189x); Sandor Szabo (Sopron, Hungary)
2012 Sep. 17.14 UT: m1=11.4 (S), Dia.=2.5′, DC=3; 22cm L (160x); Marco Goiato (Araçatuba, Brasil)
2012 Sep. 15.95 UT: m1=11.3, Dia.=1.9′, DC=4; 20.3cm L f:5.9 (71x); Mieczyslaw Leszek Paradowski (Dabrowa, Poland) [Comparison stars taken from APASS (AQ)]
2012 Sep. 15.90 UT: m1=12.3, Dia.=1.8′, DC=4/; 35.6cm L (133x); Artyom Novichonok (Shadzhatmaz, Caucasus, Russia)
2012 Sep. 15.78 UT: m1=12.9, Dia.=1.4′, DC=6/; 40.0cm L f/4.5 (144x); Seiichi Yoshida (Gunma, Japan)
2012 Sep. 13.95 UT: m1=10.9, Dia.=3.5′, DC=3; 20cm SCT (77x); Juan José González (Alto del Castro – Aralla, alt. 1720 m, León, España) [Después del reciente outburst el cometa muestra un mayor grado de condensación, siendo más brillante la región interna de la coma]
2012 Sep. 13.90 UT: m1=11.7, Dia.=2′; 32cm reflector; Uwe Pilz (Leipzig, Germany)
2012 Sep. 13.90 UT: m1=11.9, Dia.=2.2′, DC=6/; 35cm reflector (107x); Jakub Cerny (Senohraby, Czech Republic)
2012 Sep. 13.85 UT: m1=12.9, Dia.=1.3′, DC=5; 35.6cm L (133x); Artyom Novichonok (Shadzhatmaz, Caucasus, Russia)
2012 Sep. 13.18 UT: m1=11.7 ccd, Dia.=1.9′; 30.5cm schmidt-cassegrain; Jakub Cerny [robotic telescope FRAM in Malargue, Argentina]
2012 Sept. 13.13 UT: m1=14.13, DC=4; Visual Aperture 36″ F/3.5; Jean-François Viens (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada)
2012 Sep. 12.86 UT: m1=12.8, Dia.=1.6′, DC=3; 35.6cm L (133x); Artyom Novichonok (Shadzhatmaz, Caucasus, Russia)
2012 Sep. 11.86 UT: m1=12.6, Dia.=1.4′, DC=4; 35.6cm L (133x); Artyom Novichonok (Shadzhatmaz, Caucasus, Russia) [Moderately big and bright, diffuse]
2012 Sep. 10.14 UT: m1=11.4: (S), Dia.=2′, DC=2; 22cm L (160x); Marco Goiato (Araçatuba, Brasil)
2012 Sep. 06.90 UT: m1=11.2, Dia.=3.5′, DC=1/; 20cm SCT (100x); Juan José González (Llamas de Rueda, alt. 990 m, León, España) [Más brillante que lo esperado. Coma débil y difusa rodeando a la casi estelar condensación central, de m2=13.7 (APASS)]

162P/Siding Spring
2015 Apr. 24.82 UT: m1=16.3: CCD; [T17] 0.43-m f/6.8 astrograph + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely Siding Spring, Australia)

160P/LINEAR
2012 Oct. 12.12 UT: m1=16.4 ccd, Dia.=0.3′; 30.5cm schmidt-cassegrain; Jakub Cerny [robotic telescope FRAM in Malargue, Argentina]
2012 Oct. 09.20 UT: m1=16.7 ccd, Dia.=0.3′; 30.5cm schmidt-cassegrain; Jakub Cerny [robotic telescope FRAM in Malargue, Argentina]
2012 Sept. 13.12 UT: m1=16.5, DC=3; Visual Aperture 36″ F/3.5; Jean-François Viens (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada)
2012 Sep. 09.91 UT: m1=[15.0; 50.8cm L (351x); Sandor Szabo (Sopron, Hungary) [Fainter than 15.0 mag]

158P/Kowal-LINEAR
2015 Mar. 23.84 UT: m1=18.7 CCD + R filter, Dia.=8″, DC 7, 70-cm f/4 L + CCD; Alexander Baransky (Kyiv comet station MPC 585, Ukraine)
2010 Jun. 17.34 UT: m1=18.6 ccd, Dia.=0.18′, DC=8; 36cm L f/3.8 +CCD; Sergey Shurpakov (Baran’, Belarus)
2010 June 16.24 UT: m1=18.5:, Dia.=0.2′; 35.5 cm L +CCD; Artyom Novichonok & Dimitry Chestnov (remotely Mayhill, USA)

154P/Brewington
2014 Mar. 30.12 UT: m1=15.6: CCD, Dia.=0.6′; 0.1-m f/5.0 astrograph + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, H06. Remotely Mayhill, U.S.A.)
2014 Mar. 30.12 UT: m1=[14.3, negative; 40.6cm L f/4.5 (183x); Todd Augustyniak (Harmon, Illinois, USA)
2014 Mar. 28.83 UT: m1=13.5, Dia.=0.9′, DC=2; 50.8cm L (307x); Sandor Szabo (Sopron, Hungary)
2014 Feb. 28.78 UT: m1=13.0, Dia.=1.0′, DC=1; 32cm L f/5 (96x); Uwe Pilz (Leipzig, Germany)
2014 Feb. 21.10 UT: m1=13.0: CCD, Dia.=2.5′; 0.11-m f/5.0 refractor + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, H06. Remotely Mayhill, U.S.A.)
2014 Jan. 31.11 UT: m1=[11.5; 15cm SCT (36x); Salvador Aguirre (Hermosillo, Sonora, Mexico)
2014 Jan. 19.08 UT: m1=11.6: CCD, Dia.=&5.8′; 0.11-m f/5.0 refractor + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, H06. Remotely Mayhill, U.S.A.)
2014 Jan. 04.85 UT: m1=10.5, Dia.=3, DC=3; 20cm SCT f:10 (50x); Carlos Labordena (Castellón, España)
2013 Dec. 30.73 UT: m1=8.9, Dia.=13′, DC=0; 32cm L (45x); Uwe Pilz (Leipzig, Germany)
2013 Dec. 30.07 UT UT: m1=11.4: CCD, Dia.=&5.5′; [T14]0.11-m f/5.0 refractor + CCD; A. Novichonok & T.Prystavski (iTelescope observatory, H06, remotely Mayhill, U.S.A.)
2013 Dec. 27.75 UT: m1=11.0, Dia.=2.5′, DC=3/; 42cm L f:5 (66x); Martin Lehky (Czech Republic)
2014 Jan. 25.77 UT: m1=11.4, Dia.=2.5′, DC=3/; 42cm L f:5 (81x); Martin Lehky (Czech Republic)
2013 Dec. 07.98 UT: m1=10.4, Dia.=4′, DC=2; 22cm L (60x); Marco Goiato (Araçatuba, Brasil) [moonlight]
2013 Dec. 06.89 UT: m1=10.3, Dia.=4.5′, DC=2; 25×100 B; Jakub Cerny (España)
2013 Dec. 06.49 UT: m1=11.0, Dia.=3.1’, DC=1/2; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Coma small and almost even in brightness across coma, slightly brighter centre, does not enhance in Swan Band filter, Alt = 17.6°]
2013 Dic. 04.95 UT: m1=10.4, Dia.=3′, DC=3; 20cm SCT (100x); Juan José González (Cueto Rosales – Riello, alt. 1420 m, León, España)
2013 Dec. 04.90 UT: m1=10.6, Dia.=5.5′, DC=2; 25×100 B; Jakub Cerny (España)
2013 Dec. 04.83 UT: m1=10.9 CCD, Dia.=4.5′; 0.078-m f/1.7 camera lens + CCD; S. Korotkiy & T.Prystavski (Ka-Dar observatory, TAU station, remotely Nizhniy Arkhyz, Russia)
2013 Dec. 02.78 UT: m1=10.9, Dia.=2.5′, DC=3; 42cm L f:5 (66x); Martin Lehky (Czech Republic)
2013 Dec. 02.46 UT: m1=10.4, DC=4; 25×100 B; David A. J. Seargent (Cowra, NSW, Australia)
2013 Nov. 29.48 UT: m1=10.4, Dia.=4; 25.4cm L (71x); David A. J. Seargent (Cowra, NSW, Australia)
2013 Nov. 27.83 UT: m1=10.1, Dia.=6′, DC=0; 20×80 B; Marek Biely (Brno, Czech Republic) [The best condition I ever observed. This is the most diffuse comet that I saw in my life. I didn´t expect that it will be observable in binocular. In the dark sky it is only light spot.]
2013 Nov. 27.81 UT: m1=10.8, Dia.=3.5′, DC=4; 50.8 cm L (123x); Sandor Szabo (Sopron, Hungary) [Coma is elliptical]
2013 Nov. 27.44 UT: m1=10.1, Dia.=5.4’, DC=2; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Coma very large, diffuse outer coma, gradually brightening to weakly condensed centre]
2013 Nov. 27.00 UT: m1=10.5, Dia.=4′, DC=2; 22cm L (60x); Marco Goiato (Araçatuba, Brasil) [little enhance with Swan filter]
2013 Nov. 24.84 UT: m1=9.6, Dia.=8′, DC=0; 12cm R (30x); Uwe Pilz (Leipzig, Germany)
2013 Nov. 24.43 UT: m1=10.3, Dia.=5.5’, DC=1/2; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Large and diffuse outer coma with small weakly condensed inner coma, faint stars at ENE edge of coma]
2013 Nov. 23.47 UT: m1=10.6:; 25×100 B; David A. J. Seargent (Cowra, NSW, Australia)
2013 Nov. 23.46 UT: m1=10.7, Dia.=6, DC=1; 25.4cm (71x); David A. J. Seargent (Cowra, NSW, Australia) [Mildly enhanced using Swan Band filter]
2013 Nov. 23.44 UT: m1=10.3, Dia.=4.5’, DC=2; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Coma very large and almost evenly diffuse across coma diameter with weakly  condensed centre, no tail. Enhances very slightly using Swan Band filter]
2013 Nov. 22.66 UT: m1=10.9, Dia.=1.8′, DC=3; 25.4cm L (46x, 120x); Danil Sidorko (Korenovsk, Russia)
2013 Nov. 21.00 UT: m1=10.5, Dia.=3′, DC=2; 22cm L (60x); Marco Goiato (Araçatuba, Brasil)
2013 Nov. 07.85 UT: m1=11.4, Dia.=6′.1, DC=0, 25×100 B; Jakub Cerny (Sieggraben, Austria)
2013 Nov. 05.03 UT: m1=13.0 CCD, Dia.=0.8’; CCD images unfiltered; Pierre Laporte (Cd’OA des Monts Notre-Dame, Québec, Canada)
2013 Nov. 04.96 UT: m1=10.8; DC=3; Visual SCT 14″; Pierre Laporte (Cd’OA des Monts Notre-Dame, Québec, Canada)
2013 Nov. 04.96 UT: m1=10.8, Dia.=1′, DC=4; 18cm L (57x); Alexandre Amorim (Florianopolis, Brazil)
2013 Nov. 01.51 UT: m1=11.9, Dia.=2′; 25.4 L (71x); David A. J. Seargent (Cowra, NSW, Australia)
2013 Oct. 31.842 TU: m1=11.1, Dia.=2′, DC=2; 20cm SCT (50x); Carlos Labordena (Castellón, España)
2013 Oct. 31.81 UT: m1=10.8, Dia.=2.8′, DC=3/; 42cm L f:5 (66x); Martin Lehky (Hradec Kralove, Czech Republic)
2013 Oct. 31.77 UT: m1=11.2, Dia.=2.0′, DC=4; 50.8 cm refl. (123x); Sandor Szabo (Csapod, Hungary)
2013 Oct. 30.85 UT: m1=11.0, Dia.=5.3′, DC=2/; 35cm L (107x); Jakub Cerny (Senohraby, Czech Republic)
2013 Oct. 30.81 UT: m1=10.8, Dia.=3′, DC=3/; 42cm L f:5 (66x); Martin Lehky (Hradec Kralove, Czech Republic)
2013 Oct. 30.78 UT: m1=7.7, Dia.=10′, DC=1; 7×50 B; Uwe Pilz (Leipzig, Germany) [Tail 0°5 in 12″ Dobson]
2013 Oct. 30.43 UT: m1=10.8, Dia.=6.7’, DC=2/3; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Coma diffuse, faint outer coma, brightness even across inner coma with slightly brighter but weak centre. No tail. Bright star to ESE coma edge]
2013 Oct. 29.94 UT: m1=11.0:; 18cm L (72x); Alexandre Amorim (Florianopolis, Brazil)
2013 Oct. 29.00 UT: m1=10.8, Dia.=2′, DC=2; 22cm L (160x); Marco Goiato (Araçatuba, Brasil)
2013 Oct. 28.96 UT: m=11.0; 18cm L (57x); Alexandre Amorim (Florianopolis, Brazil)
2013 Oct. 27.95 UT: m1=10.9, Dia.=1′, DC=5; 18cm L (57x); Alexandre Amorim (Florianopolis, Brazil)
2013 Oct. 27.81 UT: m1=10.7, Dia.=2′, DC=3; 30cm L f/5 (60x); Mieczyslaw Leszek Paradowski (Dabrowa, Poland) [Catalogue (AQ) – Sidwick method. No Tail. 13.22mag star (B-V=1.22) inside the coma in the 30.4″ distance to the centre of central condensation]
2013 Oct. 27.42 UT: m1=10.6, Dia.=5.5’, DC=2; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Coma large and diffuse, almost even surface brightness across coma, slightly brighter inner quarter, no tail]
2013 Oct. 27.07 UT: m1=10.4, Dia.=3’, DC=2; 25cm SCT (40x); Alberto Anunziato (Oro Verde, Argentina)
2013 Oct. 26.73 UT: m1=12.2, Dia.=2.5′, DC=1; 40.0 cm refl. (153x); Sandor Szabo (Sopron, Hungary)
2013 Oct. 26.14 UT: m1=12.0, Dia.=3′, DC=2; 25cm L (60x); Salvador Aguirre (Hermosillo, Sonora, Mexico)
2013 Oct. 25.42 UT: m1=10.4, Dia.=6.3’, DC=2/3; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Background star at coma centre (mag 12.7) no tail, coma large and diffuse]
2013 Oct. 24.44 UT: m1=10.9, Dia.=5’, DC=2; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Background star close to coma centre. Coma large, diffuse edges gradually brightening to a broad central condensation, no tail]
2013 Oct. 22.94 UT: m1=10.8, Dia.=1′; 18cm L (57x); Alexandre Amorim (Florianopolis, Brazil)
2013 Oct. 22.86 UT: m1=12.9 CCD + V filter, Dia.=0.53′, DC=3; 6.8cm R f/6 (14x30s); Mieczyslaw Leszek Paradowski (Lublin, Poland) [Moonlight. Catalogue UCAC4 – 2 comparison stars: V=12.26 and 12.81mag with color index B-V=0.56 and 0.63, respectively]
2013 Oct. 22.40 UT: m1=10.9, Dia.=6.2’, DC=2; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia]) [Coma very large and diffuse, even brightness across coma diameter with slightly brighter centre, weakly condensed. No tail, inner coma enhances using Swan Band filter.
2013 Oct. 20.96 UT: m1=10.9, Dia.=2′, DC=2/; 22cm L (160x); Marco Goiato (Araçatuba, Brasil)
2013 Oct. 19.94 UT: m1=11.0; 18cm L (57x); Alexandre Amorim (Florianopolis, Brazil) [moonlight and clouds interference]
2013 Oct. 13.06 UT: m1=11.6, Dia.=2′, DC=2, no cola; 20cm SCT(80x); Carlos Labordena (Castellón, España)
2013 Oct. 12.43 UT: m1=11.1, Dia.=1.5′, DC=0/; 40.0cm L f/4.5 (144x); Seiichi Yoshida (Gunma, Japan)
2013 Oct. 12.03 UT: m1=11.0:; 18cm L (57x); Alexandre Amorim (Florianopolis, Brazil) [moonlight and clouds interference]
2013 Oct. 11.45 UT: m1=10.8, Dia.=2.7′, DC=0/; 40.0cm L f/4.5 (75x); Seiichi Yoshida (Gunma, Japan)
2013 Oct. 09.81 UT: m2=15.3 CCD, Dia.=&6′; 0.40-m f/8 Ritchey-Chretien + CCD; V.Gerke & T.Prystavski (Ka-Dar observatory, TAU station C32, remotely Nizhniy Arkhyz, Russia)
2013 Oct. 09.18 UT: m1=11.5, Dia.=2′, DC=4; 25cm Reflector (60x); Salvador Aguirre (Hermosillo, Sonora, Mexico)
2013 Oct. 08.07 UT: m1=11.0:; 18cm L (57x); Alexandre Amorim (Florianopolis, Brazil)
2013 Oct. 06.83 UT: m1=11.2:, Dia.=2′, DC=3; 20cm SCT (100x); Juan José González (Alto del Castro – Aralla, alt. 1720 m, León, España) [Cometa próximo a una estrella de magnitud 9.5 ( Tycho-2 ), obstruyendo la estimación del diámetro de coma]
2013 Oct. 06.21 UT: m1=11.3, Dia.=2’, DC=1; 25cm SCT (62x); Alberto Anunziato (Oro Verde, Argentina) [no se observa cola]
2013 Oct. 06.13 UT: m1=11.4, Dia.=2′, DC=2/; 22cm L (160x); Marco Goiato (Araçatuba, Brasil)
2013 Oct. 06.02 UT: m1=13.5, DC=4; 91cm F/3.5; Jean-François Viens (Cd’OA des Monts Notre-Dame, Québec, Canada)
2013 Oct. 05.08 UT: m1=[11.4; 18cm L (57x); Alexandre Amorim (Florianopolis, Brazil)
2013 Oct. 04.875 UT: m1=12.3, Dia.=1,5′, DC=0; 40cm L (120x); Gabor Santa (Polaris Observatory, Budapest, Hungary)
2013 Oct. 03.93 UT: m1=11.4, Dia.=2.5′, DC=2; 50.8cm refl. (189x); Sandor Szabo (Hungary)
2013 Oct. 03.92 UT: m1=11.9, Dia.=2.5′, DC=3; 32.6cm L (50x); Piotr Guzik (Krosno, Poland)
2013 Oct. 02.84 UT: m1=11.0, Dia.=7′; 32cm reflector; Uwe Pilz (Leipzig, Germany)
2013 Oct. 01.99 UT: m1=10.7, Dia.=1.5′; 18cm L; A. Amorim (Florianopolis, Brazil)
2013 Oct. 01.85 UT: m1=12.2, Dia.=3.0′, DC=1/; 35cm L (107x); Jakub Cerny (Senohraby, Czech Republic)
2013 Oct. 01.12 UT: m1=[11.5 NEGATIVA; 15cm SCT (75x); Salvador Aguirre (Hermosillo, Sonora, Mexico)
2013 Oct. 01.06 UT: m1=14.3′; DC=3; Visual, Aperture 36″ F/3.5; Jean-François Viens (Cd’OA des Monts Notre-Dame, Québec, Canada)
2013 Sep. 29.85 UT: m1=12.4, Dia.=2.5′, DC=2; 35cm L (107x); Jakub Cerny (Senohraby, Czech Republic)
2013 Sep. 29.09 UT: m1=12.0:; 18cm L (57x); Alexandre Amorim (Florianopolis, Brazil)
2013 Sep. 28.43 UT: m1=11.8, Dia.=4’, DC=2; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Coma diffuse, faint edges with loosely condensed central condensation. Inner coma enhances slightly using Swan Band filter. Windy conditions, limiting magnitude 6.5+, transparency appears a lot clearer than previous observations]
2013 Sep. 26.85 UT: m1=12.4, Dia.=1,7′, DC=2; 32cm L (144x); Uwe Pilz (Leipzig, Germany)
2013 Sep. 26.45 UT: m1=12.4, Dia.=2.0′, DC=2; 30cm Dobson ; Con Stoitsis (Nagambie, Victoria, Australia) [Very large and diffused coma. Possible larger with averted vision. No enhancement noticed with Swan band filter. Conditions were very good]
2013 Sep. 25.51 UT: m1=12.2, Dia.=3’, DC=1/2; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Coma diffuse, slight brightening to centre, no tail. Close to bright stars. Averted vision. Sky conditions better than previous observation although dust still present in the upper atmosphere]
2013 Sep. 24.47 UT: m1=12.7, Dia.=2.5’, DC=1/2; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Coma is very large and diffuse, averted vision used, no tail. Enhances very slightly using Swan Band filter. Sky conditions not ideal, very windy with considerable amount of suspended dust in upper atmosphere. Comet observed near meridian]
2013 Sep. 22.42 UT: m1=12.9: CCD, Dia.=&3′; 0.11m f/5.0 refractor + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, Q62. Remotely Siding Spring, Australia)
2013 Sep. 14.27 UT: m1=13.0, Dia.=1.4′, DC=3/; 45.7cm L f/4.2 (191x); Todd Augustyniak (Green River State Wildlife Area, Harmon, Illinois, USA) [Relatively easy to see; size visible with averted vision]
2013 Sep. 13.00 UT: m1=12.3, Dia.=1.7′, DC=3; 20cm SCT (133x); Juan José González (Alto del Castro – Aralla, alt. 1720 m, León, España) [Estrellas de campo comprobadas en el DSS. Estrellas de comparación de la fotometría APASS cercana al cometa. Cielo muy claro de montaña, buen seeing]
2013 Sep. 11.17 UT: m1=13.0:, Dia=1.5′, DC=2; 22cm L (160x); Marco Goiato (Araçatuba, Brasil)
2013 Sep. 09.04 UT: m2=18.3 CCD, Dia.=0.2’; CCD images unfiltered; Stéphane Potvin (Cd’OA Monts Notre-Dame, Québec, Canada) [comparison star 3UCAC 156-308097 mag.=16.59]
2013 Sep. 06.94 UT: m1=14.9, Dia.=0.6′, DC=3; 50.8cm L (307x); Sandor Szabo (Hungary)
2013 Sep. 04.05 UT: m1=13.6, Dia.=1′; DC=3; 33cm L (50x); Piotr Guzik (Krosno, Poland)
2013 Aug. 24.20 UT: m2=16.4 CCD, Dia.=0.2’; CCD images unfiltered; Clermont Vallière (Cd’OA Monts Notre-Dame, Québec, Canada) [comparison star 3UCAC 151-389982 mag.=13.90]
2013 Aug. 15.28 UT: m1= 13.9 CCD, Dia.=0.4’; Measures taken on CCD images unfiltered; Clermont Vallière (Cd’OA, Monts Notre-Dame, Québec, Canada) [comparison star 3UCAC 149-409877 mag.=15.04]
2013 Aug. 11.26 UT: m1= 16.8, DC=4; Visual Aperture 36″ F/3.5; Jean-François Viens (Cd’OA, Monts Notre-Dame, Québec, Canada)
2013 Aug. 11.15 UT: m1= 16.8 CCD, Dia.=0.3’; Measures taken on CCD images unfiltered; Clermont Vallière (Cd’OA, Monts Notre-Dame, Québec, Canada) [comparison star 3UCAC 148-392159 mag.=15.34]
2013 Aug. 07.31 UT: m1=17.2 CCD, Dia.=0.1’; Measures taken on CCD images unfiltered; Clermont Vallière (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada) [comparison star 3UCAC 147-405513 mag.=16.26]
2013 Aug. 07.16 UT: m1=16.6 CCD, Dia.=0.3’; Measures taken on CCD images unfiltered; Pierre Laporte (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada) [comparison star 3UCAC 147-405520 mag.=15.71]
2013 May. 07.26 UT: m1=17.2, DC=4; Visual Aperture 36″ F/3.5; Jean-François Viens (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada)

152P/Helin-Laurence
2012 Sep. 14.09 UT: m1=16.0 ccd, Dia.=0.3′; 30.5cm schmidt-cassegrain; Jakub Cerny [robotic telescope FRAM in Malargue, Argentina]
2012 Sep. 13.12 UT: m1=16.2 ccd, Dia.=0.3′; 30.5cm schmidt-cassegrain; Jakub Cerny [robotic telescope FRAM in Malargue, Argentina]
2012 Sep. 12.10 UT: m1=16.5 ccd, Dia.=0.4′; 30.5cm schmidt-cassegrain; Jakub Cerny [robotic telescope FRAM in Malargue, Argentina]
2012 Sep. 11.08 UT: m1=16.2 ccd, Dia.=0.3′; 30.5cm schmidt-cassegrain; Jakub Cerny [robotic telescope FRAM in Malargue, Argentina]
2012 July 10.11 UT: m1=16.0, DC=3; Visual Aperture 36″ F/3.5; Jean-François Viens (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada)

151P/Helin
2015 Oct. 10.65 UT: m1=16.9 CCD, Dia.=0.2′; [T31] 0.50-m f/6.8 astrograph + CCD + focal reducer; A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely from Siding Spring, Australia)

149P/Mueller
2010 Jun. 19.33 UT: m1=18.4 ccd, Dia.=<0.2′; 35.5 cm L +CCD; Artyom Novichonok & Dimitry Chestnov (remotely Mayhill, USA)
2010 May. 08.34 UT: m1=18.2 ccd, Dia.=0.2′; 35.5 cm L +CCD; Artyom Novichonok & Dimitry Chestnov (remotely Mayhill, USA)
2010 May. 05.28 UT: m1=17.9 cdd, Dia.=0.2′; 35.5 cm L +CCD; Artyom Novichonok & Dimitry Chestnov (remotely Mayhill, USA)
2010 Apr. 14.86 UT: m1=18.3 cdd, Dia.=0.15′; 30 cm L +CCD; Artyom Novichonok & Timur Kryachko (remotely Zelenchukskaya Station, Russia)

146P/Shoemaker-LINEAR
2016 Sep. 01.10 UT: m1=[16.0, NEGATIVE; 60-cm L (518x); Sandor Szabo (Hungary) [Must be fainter than 16.0 mag]

144P/Kushida
2016 Dec. 01.71 UT: m1=13.7, Dia.=0.7’, DC=2/; 25-cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma very diffuse, slight brightening to centre. Sky slightly hazy, ground fog at observing site]
2016 Nov. 30.23 UT: m1=10.7, Dia.=4′, DC=1/; 20-cm SCT (100x); Juan José González (Les Retuertes – Sierra del Aramo, alt. 1350 m, Asturias, España) [Luz zodiacal. Cielo muy claro de montaña]
2016 Nov. 29.17 UT: m1=14.1, Dia.=0.3′, DC=3; 60-cm L (306x); Sandor Szabo (Hungary) [Small, diffuse comet]
2016 Nov. 25.24 UT: m1=10.6, Dia.=4′, DC=2; 20-cm SCT (100x); Juan José González (Sierra de Tineo, alt. 1040 m, Asturias, España) [Alguna interferencia lunar. Cielo muy claro de montaña]
2016 Nov. 04.83 UT: m1=12.2, Dia.=1.0′, DC=1; 40.0-cm L f/4.5 (144x); Seiichi Yoshida (Gunma, Japan)
2016 Nov. 02.23 UT: m1=9.3, Dia.=8′, DC=2; 20-cm SCT (77x); Juan José González (Mallo de Luna, alt. 1120 m, León, España) [Luz zodiacal. Altura sobre el horizonte: 26º. Cielo muy claro de montaña]
2016 Nov. 01.72 UT: m1=12.8, Dia.=1’, DC=2/; 25-cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Low altitude = 10.4°; Poor seeing. Difficult due to proximity to 11.6 mag star, 1’away in P.A. 252°. Diffuse coma, slight brightening to centre]
2016 Oct. 30.20 UT: m1=11.9, Dia.=1.5′, DC=2, no cola; 20-cm SCT (80x); Carlos Labordena (Castellón, España)
2016 Oct. 20.83 UT: m1=12.6, Dia.=0.8′, DC=2; 40.0-cm L f/4.5 (257x); Seiichi Yoshida (Gunma, Japan)
2016 Oct. 11.74 UT: m1=12.3, Dia.=1.3’, DC=3; 25-cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma very diffuse, does not enhance in Swan Band filter. No tail. Low altitude = 8.0°]
2016 Oct. 05.75 UT: m1=12.3, Dia.=1.6’, DC=3; 25-cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma very diffuse, slight brightening to centre, no tail, does not enhance in Swan Band filter. Slight interference by twilight. Low altitude = 8.5°]
2016 Oct. 03.20 UT: m1=8.8, Dia.=8′, DC=2: 20-cm SCT (77x); Juan José González (Alto del Castro, alt. 1720 m, León, España) [Estrella de mag. 10.8 (Tycho-2) en la coma. Luz zodiacal. Altura sobre el horizonte: 19º. Cielo muy claro de montaña]
2016 Sep. 30.17 UT: m1=11.1, Dia.=3′, DC=2, no cola; 20-cm SCT (80x); Carlos Labordena (Castellón, España)
2016 Sep. 29.20 UT: m1=8.9, Dia.=8′, DC=2; 20-cm SCT (77x); Juan José González (Alto del Castro, alt. 1720 m, León, España) [Luz zodiacal. Altura sobre el horizonte: 19º. Cielo muy claro de montaña]
2016 Sep. 27.76 UT: m1=12.0, Dia.=1.1’, DC=3; 25-cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Magnitude uncertain due to low altitude (7.9°) encroaching twilight and moonlight. Very diffuse, slight brightening to centre, no enhancement in Swan Band filter]
2016 Sep. 09.19 UT: m1=9.2, Dia.=6′, DC=2/; 20-cm SCT (77x); Juan José González (Alto del Trichero, alt. 1190 m, León, España) [Luz zodiacal. Crepúsculo astronómico. Altura sobre el horizonte: 16º. Cielo claro de montaña]

141P/Machholz H
2015 Aug. 24.04 UT; m1=14.4: CCD, Dia.=1.5′; 0.3-m f/1.5 astrograph + CCD; G. Borisov & T. Prystavski (MARGO – MPC L51 Crimea-Nauchnij)
2015 Aug. 23.06 UT: m1=14.3: CCD, Dia.=1.3′; 0.3-m f/1.5 astrograph + CCD; G. Borisov & T. Prystavski (MARGO – MPC L51 Crimea-Nauchnij)
2015 Aug. 22.04 UT: m1=14.4: CCD, Dia.=1.3′; 0.3-m f/1.5 astrograph + CCD; G. Borisov & T. Prystavski (MARGO – MPC L51 Crimea-Nauchnij)

141P/Machholz
2015 Oct. 15.77 UT: m1=16.5: CCD, Dia.=&0.3′; [T31] 0.50-m f/6.8 astrograph + CCD + focal reducer; A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely from Siding Spring, Australia)
2015 Sep. 21.81 UT: m1=11.8, Dia.=1.1′, DC=1; 40.0-cm L f/4.5 (144x); Seiichi Yoshida (Gunma, Japan)
2015 Sep. 18.49 UT: m1=13.0 CCD, Dia.=1.3′; [T20] 0.1-m f/5.0 astrograph + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, H06 (remotely from Mayhill, U.S.A.)
2015 Sep. 18.14 UT: m1=12.3, Dia.=1.6′, DC=3; 32.0-cm L f/5 (96x); Uwe Pilz (Leipzig, Germany)
2015 Sep. 13.48 UT: m1=13.0 CCD, Dia.=1.4′; [T20] 0.1-m f/5.0 astrograph + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, H06 remotely from Mayhill, U.S.A.)
2015 Sep. 13.11 UT: m1=10.8, Dia.=2.5′, DC=1; 60.3-cm L (189x); Sandor Szabo (Sopron, Hungary) [With SWAN filter it becames 4.5’ diameter, DC=2]
2015 Aug. 28.17 UT: m1=11.2, Dia.=2.5′, DC=2; 20-cm SCT (100x); Juan José González (Cea, alt. 875 m, León, España) [Observado después del ocaso lunar. Estrellas de campo comprobadas en el DSS. Luz Zodiacal. Comienzo del crepúsculo astronómico. Altura sobre el horizonte: 23º. Cielo muy claro de montaña]
2015 Aug. 26.46 UT: m1=12.3: CCD, Dia.=&1.9′; [T20] 0.1-m f/5.0 astrograph + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, H06 remotely from Mayhill, U.S.A.)
2015 Aug. 24.04 UT: m1=12.6: CCD, Dia.=2.2′; 0.3-m f/1.5 astrograph + CCD; G. Borisov & T. Prystavski (MARGO – MPC L51 Crimea-Nauchnij)
2015 Aug. 23.97 UT: m1=11.9: (Tri-G), Dia.=2.2′; Nikon 5200 + 135-mm lens; Artyom Novichonok (Konchezero, Russia)
2015 Aug. 23.06 UT: m1=12.6: CCD, Dia.=2.3′; 0.3-m f/1.5 astrograph + CCD; G. Borisov & T. Prystavski (MARGO – MPC L51 Crimea-Nauchnij)
2015 Aug. 22.04 UT: m1=12.3: CCD, Dia.=&2.3′; 0.3-m f/1.5 astrograph + CCD; G. Borisov & T. Prystavski (MARGO – MPC L51 Crimea-Nauchnij)
2015 Aug. 15.06 UT: m1=[15.0; 60.3-cm L (244x); Sandor Szabo (Sopron, Hungary) [NEGATIVE, not seen]
2015 July 13.10 UT: m1=14.3: CCD, Dia.=&1.4′; [T16] 0.15-m f/7.3 refractor + CCD; A. Novichonok & T. Prystavski (AstroCamp Observatory, I89 remotely from Nerpio, Spain)
2015 July 11.99 UT: m1=14.6, Dia.=0.8′, DC=3; 35-cm L (178x); Jakub Černý (Zachotin, Czech Republic)
2015 July 10.98 UT: m1=14.9, Dia.=0.5′, DC=3; 35-cm L (178x); Jakub Cerný (Zachotin, Czech Republic)

134P/Kowal-Vavrova
2014 Oct. 08.43 UT: m1=16.9 CCD Dia.=0.23′, Tail=0.3′ in PA: 112 deg.; [T31] 0.50-m f/6.8 astrograph + CCD + focal reducer; A. Novichonok & T. Prystavski (iTelescope observatory, Q62, remotely from Siding Spring, Australia) [images obtained during lunar eclipse to avoid moonlight interference]
2014 Sep. 10.38 UT: m1=15.7 CCD, Dia.=0.44′, Tail=0.5′ in PA: 104 deg.; [T9] 0.32-m f/7.4 Ritchey-Chretien + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, Q62, remotely from Siding Spring, Australia)
2014 Aug. 12.39 UT: m1=15.2 CCD, Dia.=0.7′, Tail=0.8′ in PA: 127 deg.; 0.43-m f/6.8 astrograph + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely Siding Spring, Australia)
2014 July 26.41 UT: m1=15.1: CCD, Dia.=0.7′, Tail=0.9′ in PA: 119 deg.; 0.43-m f/6.8 astrograph + CCD; A. Novichonok & T.Prystavski (iTelescope observatory, Q62 remotely Siding Spring, Australia)
2014 July 01.92 UT: m1=14.0, Dia.=1.5′, DC=0; 50.8cm L (245x); Sandor Szabo (Sopron, Hungary)
2014 June 25.40 UT: m1=13.9 CCD, Dia.=1.3′, Tail=1.0′ in PA: 130 deg.; 0.32-m f/7.4 Ritchey-Chretien + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, Q62 Remotely from Siding Spring, Australia)
2014 June 16.36 UT: m1=14.2, Dia.=0.7’, DC=0/; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma very diffuse, difficult, visible in periods of good seeing, stars down to mag 15.0 visible]
2014 May  30.94 UT: m1=12.6, Dia.=1.2′, DC=2; 32cm L f/5 (96x); Uwe Pilz (Leipzig, Germany)
2014 May  26.37 UT: m1=14.1, Dia.=0.7’, DC=1/; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Close to bright star, coma very difficult to see through haze, appears slightly brighter in centre the edges, very weakly condensed]
2014 May  24.19 UT: m1=12.9, Dia.=1′, DC=4; 30.5cm L f/4.9 (150x); Todd Augustyniak (Marengo Ridge Conservation Area, Marengo, Illinois, USA) [Condensed towards center; a bit brighter and modestly larger than 209P/]
2014 May  22.46 UT: m1=13.6 CCD, Dia.=1.25′; 0.32-m f/7.4 Ritchey-Chretien + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely from Siding Spring, Australia)
2014 May  22.40 UT: m1=14.0, Dia.=1.5’, DC=1/; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma very diffuse, visible in periods of good seeing, slight hazy conditions]
2014 May  19.90 UT: m1=13.8, Dia.=0.9′, DC=4; 50.8cm L (189x); Sandor Szabo (Sopron, Hungary)
2014 May  05.68 UT: m1=13.3, Dia.=1.2’, DC=1/; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma diffuse, slightly brighter in centre, no tail. Observation cut short due to encroaching fog bank]
2014 May  03.92 UT: m1=12.8, Dia.=1.0′, DC=2; 32.0cm L f/5 (96x); Uwe Pilz (Leipzig, Germany)
2014 May  03.54 UT: m1=12.6, Dia.=1.1′, DC=4; 40.0cm L f/4.5 (144x); Seiichi Yoshida (Gunma, Japan)
2014 May  02.65 UT: m1=13.1, Dia.=0.8’, DC=1/; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma has diffuse edges with slightly brighter centre, does not enhance with Swan Band filter, no tail]
2014 Apr. 30.93 UT: m1=14.0, Dia.=0.9′, DC=5; 50.8cm L (189x); Sandor Szabo (Sopron, Hungary)
2014 Apr. 22.49 UT: m1=13.1 CCD, Dia.=1.5′, Tail=4′ in PA: 284 deg.; 0.32-m f/7.4 Ritchey-Chretien + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, Q62. Remotely Siding Spring, Australia)
2014 Mar. 30.62 UT: m1=13.8 CCD, Dia.=0.99′, Tail=4.5′ in PA: 290 deg.; 0.32-m f/7.4 Ritchey-Chretien + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, Q62. Remotely Siding Spring, Australia)
2014 Mar. 30.33 UT: m1=13.8, Dia.=1.1′, DC=4; 40.6cm L f/4.5 (229x); Todd Augustyniak (Harmon, Illinois, USA) [Relatively faint; soft glow with brightening towards center]
2014 Mar. 28.99 UT: m1=12.9, Dia.=1.3′, DC=2; 50.8cm L (245x); Sandor Szabo (Sopron, Hungary)
2014 Feb. 24.67 UT: m1=14.9 CCD, Dia.=0.55′, Tail=1.1′ in PA: 288 deg.; 0.32-m f/7.4 Ritchey-Chretien + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, Q62. Remotely Siding Spring, Australia)
2014 Jan. 26.64 UT: m1=15.1 CCD, Dia.=0.54′, Tail=1.1′ in PA 298 deg.; 0.32-m f/7.4 Ritchey-Chretien + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, Q62. Remotely Siding Spring, Australia)
2013 Apr. 30.76 UT: m1=18.8 CCD; 0.40-m f/8 Ritchey-Chretien + CCD; V.Gerke & T.Prystavski (Ka-Dar observatory, TAU station C32, remotely Nizhniy Arkhyz, Russia)

130P/McNaught-Hughes
2011 Ago. 01.12 UT: m1=14.0, Dia.=0.4′, DC=5; 20cm SCT (206x); Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España) [Estrellas de campo comprobadas en el DSS. Estrellas de comparación de la fotometría Henden cerca de R Aqr. Cielo muy claro de montaña]

128P/Shoemaker-Holt
2010 Mar. 13.81 UT: m1=13.1, Dia.=1′, DC=3, no cola; 23.5cm SCT (138x); Carlos Labordena (Castellón, España)
2010 Feb. 20.39 UT: m1=18.7 ccd, Dia.=0.17′, DC=8; 0.36-m L f/3.8 + CCD; Sergey Shurpakov (Baran’, Belarus)

125P/Spacewatch
2013 Aug. 11.86 UT: m1=16.9 CCD, Dia.=0.4′, Tail=1.7′ in PA 255 deg; 0.40-m f/8 Ritchey-Chretien + CCD; V.Gerke & T.Prystavski (Ka-Dar observatory, TAU station C32, remotely Nizhniy Arkhyz, Russia)
2013 May 08.42 UT: m1=16.9 CCD, Dia.=0.27′, Tail=1.1′ in PA 255 deg.; 0.43-m f/4.5 astrograph + CCD; A. Novichonok & T.Prystavski (iTelescope observatory, H06 (remotely Mayhill, U.S.A.)
2013 Apr. 15.46 UT: m1=16.9 CCD, Dia.=0.19′, Tail=0.8′ in PA 259 deg.; 0.51-m f/4.5 reflector + CCD; A. Novichonok & T.Prystavski (iTelescope observatory, H06 (remotely Mayhill, U.S.A.)

124P/Mrkos
2014 Apr. 30.88 UT: m1=[15.5 NEGATIVE; 50.8cm L (307x); Sandor Szabo (Sopron, Hungary)
2014 Apr. 20.42 UT: m1=16.4: CCD; 0.32-m f/7.4 Ritchey-Chretien + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, Q62. Remotely Siding Spring, Australia)
2014 Mar. 30.19 UT: m1=15.4, Dia.=0.2′, DC=8; 40.6cm L f/4.5 (305x); Todd Augustyniak (Harmon, Illinois, USA) [Very faint, but surprisingly visible with averted vision; strongly condensed, near stellar in appearance]
2014 Mar. 29.42 UT: m1=15.6 CCD; 0.51-m f/4.5 reflector + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, H06. Remotely from Mayhill, U.S.A.)
2014 Mar. 28.90 UT: m1=15.8, Dia.=0.1′, DC=8; 50.8cm L (351x); Sandor Szabo (Sopron, Hungary) [Very small, nearly starlike]
2014 Mar. 04.44 UT: m1=15.7 CCD; 0.43-m f/6.8 astrograph + CCD + f/4.5 focal reducer; A. Novichonok & T. Prystavski (iTelescope observatory, H06. Remotely Mayhill, U.S.A.)

119P/Parker-Hartley
2015 Jan. 15.04 UT: m1=18.0 CCD + R filter, Dia.=8″, DC 4, FanTail=22″ in PA: 204-312 deg.; 70-cm f/4 L + CCD; Alexander Baransky (Kyiv comet station MPC 585, Ukraine)
2013 Oct. 13.96 UT: m1=16.9 CCD, Dia.=0.29′, Tail=0.9′ in PA 243 deg.; 0.40-m f/8 Ritchey-Chretien + CCD; V.Gerke & T.Prystavski (Ka-Dar observatory, TAU station C32, remotely Nizhniy Arkhyz, Russia)

118P/Shoemaker-Levy 4
2015 Oct. 04.58 UT: m1=16.7 CCD, Dia.=0.25′; [T31] 0.50-m f/6.8 astrograph + CCD + focal reducer; A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely from Siding Spring, Australia)
2010 Mar. 13.958 UT: m1=13.1:, Dia.=0.75′, DC=3; 22cm L f:6.5 (230x); Marco Goiato (Araçatuba, Brasil)
2010 Feb. 11.81 UT: m1=12.3, Dia.=1′, DC=3, no cola; 23.5cm SCT (94x); Carlos Labordena (Castellón, España)
2010 Feb. 06.55 UT: m1=13.5 ccd, Dia.=1.0′; 18-cm L + CCD; Artyom Novichonok & D. Chestnov (remotely Moorook, Australia)
2010 Feb. 06.34 UT: m1=12.6 ccd, Dia.=0.98′, DC=7/, Tail:0.37′ in PA:75 deg; 0.36-m f/3.8 reflector + CCD; Sergey Shurpakov (Baran’, Belarus)
2010 Fev. 02.979 UT: m1=12.0, Dia.=1′, DC=4; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2010 Feb. 02.82 UT: m1=12.3, Dia.=1.0′, DC=3; 20cm SCT (100x); Juan José González (Camposagrado, alt. 1135 m, León, España)
2010 Jan. 24.50 UT: m1=14.2 ccd, Dia.=0.34′, DC=7/; 0.15-m f/7 refractor + CCD; Sergey Shurpakov (D96, Australia)
2010 Ene. 12.90 UT: m1=11.5, Dia.=1.5′, DC=2/; 20cm SCT (100x); Juan José González (Grandota – Oviedo, alt. 430 m, España)
2009 Dez. 18.145 UT: m1=12.8, Dia.=1′, DC=4; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2009 Dec. 16.50 UT: m1=12.7, Dia.=1.5′; 25.4cm L (114x); David A. J. Seargent (Cowra, NSW, Australia)
2009 Dez. 16.208 UT: m1=12.7:, Dia.=1′, DC=4; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil) [Nuvens]
2009 Dec. 15.50 UT: m1=12.7, 25.4cm L (114x); David A. J. Seargent (Cowra, NSW, Australia)
2009 Dic. 12.03 UT: m1=13.3, Dia.=0.5′, DC=6; 20cm SCT (200x); Juan José González (Alto del Castro, alt. 1720 m, León, España) [Estrellas de campo comprobadas en el DSS. Estrellas de comparación de la secuencia Henden de V650 Ori. Cielo muy claro de montaña.]
2009 Nov. 18.98 UT: m1=13.8 ccd, Dia.=0.4′, DC=6; 25cm L +ccd +Rc filter; Toni Scarmato (Calabria, Italia)
2009 Nov. 18.19 UT: m1=13.5, Dia.=0.6′, DC=5; 20cm SCT (222x); Juan José González (Alto del Castro, alt. 1720 m, León, España) [Estrellas de campo comprobadas en el DSS. Estrellas de comparación de la secuencia Henden de V650 Ori]
2009 Oct. 26.04 UT: m1=13.6, Dia.=0.7′, DC=5; 20cm SCT (222x); Juan José González (Alto del Castro, alt. 1720 m, León, España) [Estrellas de campo comprobadas en el DSS. Movimiento seguido durante 45 minutos. Estrellas de comparación de la secuencia Henden de V650 Ori. Cielo muy claro de montaña]
2009 Sep. 20.76 UT: m1=[14.3; 40.0cm L f/4.5 (257x); Seiichi Yoshida (Gunma, Japan)

117P/Helin-Roman-Alu 1
2016 Nov. 24.90 UT: m1=17.1 CCD, Dia.=0.10′, DC=8/; 0.25-m L f/4.7; Sergey Shurpakov (C36, Baran’, Belarus)
2016 Sep. 10.03 UT: m1=17.5 CCD, Dia.=0.16′, DC=8/; 0.25-m L f/4.7 + CCD; Sergey Shurpakov (C36, Baran’, Belarus)
2016 Sep. 06.06 UT: m1=17.7 CCD, Dia.=0.15′, DC=8/, Tail=0.35′ in PA: 269 deg.; 0.25-m L f/4.7 + CCD; Sergey Shurpakov (C36, Baran’, Belarus)
2016 Aug. 31.99 UT: m1=17.9 CCD, Dia.=0.16′, DC=9, Tail=0.81′ in PA: 264 deg.; 0.25-m L f/4.7 + CCD; Sergey Shurpakov (C36, Baran’, Belarus)
2015 Nov. 11.94 UT: m1=14.8, Dia.=0.9′, DC=1; 50.8-cm L (307x); Sandor Szabo (Sopron, Hungary)
2015 Oct. 15.88 UT: m1=15.1: CCD, Dia.=&0.5′, Tail=1.4′ in PA: 230 deg.; [T16] 0.15-m f/7.3 refractor + CCD; A. Novichonok & T.Prystavski (AstroCamp Observatory, I89 remotely from Nerpio, Spain)
2015 Sep. 13.48 UT: m1=15.6 CCD, Tail=2.6′ in PA: 247 deg.; [T20] 0.1-m f/5.0 astrograph + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, H06 remotely from Mayhill, U.S.A.)
2015 Sep. 12.98 UT: m1=15.2, Dia.=0.4′, DC=4; 60.3-cm L (305x); Sandor Szabo (Sopron, Hungary)
2015 Aug. 17.81 UT: m1=16.0 CCD, Dia.=0.3′, Tail=1.4′ in PA: 249 deg.; [T31] 0.50-m f/6.8 astrograph + CCD + focal reducer; A. Novichonok & T. Prystavski (iTelescope observatory, Q62 Remotely from Siding Spring, Australia)
2015 July 23.14 UT: m1=15.7 CCD, Dia.=0.5′ Tail=2.6′ in PA: 246 deg.; [T16] 0.15-m f/7.3 refractor + CCD; A. Novichonok & T. Prystavski (AstroCamp Observatory, I89 remotely from Nerpio, Spain)
2015 June 13.83 UT: m1=16.1 CCD Dia.=0.3′ Tail=0.7′ in PA: 240 deg.; [T31] 0.50-m f/6.8 astrograph + CCD + focal reducer; A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely from Siding Spring, Australia)
2014 Dec. 20.43 UT: m1=15.2 CCD, Dia.=0.3′; [T31] 0.50-m f/6.8 astrograph + CCD + focal reducer; A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely from Siding Spring, Australia)
2014 Nov. 16.46 UT: m1=14.6 CCD, Dia.=0.5′, Tail=0.4′ in PA: 222 deg.; [T12]0.11m f/5.0 refractor + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, Q62, remotely from Siding Spring, Australia)
2014 Oct. 25.41 UT: m1=13.5, Dia.=0.5′, DC=3; 40.0cm L f/4.5 (257x); Seiichi Yoshida (Gunma, Japan)
2014 Oct. 12.41 UT: m1=14.2 CCD, Dia.=0.8′, Tail=&3′ in PA: 263 deg.; [T12]0.11m f/5.0 refractor + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, Q62, remotely from Siding Spring, Australia)
2014 Sep. 28.04 UT: m1=14.0, DC=4; Visual 36″ F/3.5; Jean-François Viens (Cd’OA des Monts Notre-Dame, Québec, Canada)
2014 Sep. 11.38 UT: m1=13.4: CCD, Dia.=&1.7′, Tail=&2′ in PA: 295 deg.; [T9] 0.32-m f/7.4 Ritchey-Chretien + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, Q62, remotely from Siding Spring, Australia)
2014 Aug. 31.38 UT: m1=13.2: CCD, Dia.=&1.3′, Tail=&2.0′ in PA: 308 deg.; 0.32-m f/7.4 Ritchey-Chretien + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, Q62, remotely from Siding Spring, Australia)
2014 Aug. 20.09 UT: m1=12.9, Dia.=0.5′, DC=4; 22cm L (160x); Marco Antonio Coelho Goiato (Araçatuba, Brazil)
2014 Aug. 19.14 UT: m1=12.8, Dia.=0.5′, DC=4; 22cm L (160x); Marco Antonio Coelho Goiato (Araçatuba, Brazil)
2014 July 19.59 UT: m1=13.3 CCD, Dia.=1.04′, Tail=4.9′ in PA: 262 deg.; 0.43-m f/6.8 astrograph + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely Siding Spring, Australia)
2014 June 25.54 UT: m1=14.0 CCD, Dia.=0.51′, Tail=2.7′ in PA: 257 deg.; 0.32-m f/7.4 Ritchey-Chretien + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, Q62 Remotely from Siding Spring, Australia)
2014 May  27.44 UT: m1=14.2 CCD, Dia.=0.80′ Tail=8.7′ in PA: 258 deg.; 0.1-m f/5.0 astrograph + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, H06 remotely Mayhill, U.S.A.)
2014 May  23.62 UT: m1=14.4 CCD, Dia.=0.35′, Tail=1.2′ in PA: 259 deg.; 0.32-m f/7.4 Ritchey-Chretien + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely from Siding Spring, Australia)
2014 Apr. 28.74 UT: m1=14.8: CCD, Dia.=&0.4′, Tail=2′ in PA: 256 deg.; 0.32-m f/7.4 Ritchey-Chretien + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely Siding Spring, Australia) [close to bright star 16 Cap (Pazhan)]
2014 Mar. 05.77 UT: m1=14.9 CCD, Dia.=0.26′, Tail=0.8′ in PA: 266 deg.; 0.50-m f/6.8 astrograph + CCD + focal reducer; A. Novichonok & T. Prystavski (iTelescope observatory, Q62. Remotely from Siding Spring, Australia))
2014 Feb. 06.78 UT: m1=15.2 CCD, Dia.=0.24′; 0.32-m f/7.4 Ritchey-Chretien + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, Q62. Remotely Siding Spring, Australia)
2013 Sep. 21.39 UT: m1=14.9 CCD, Dia.=0.59′, Tail=0.9′ in PA:315 deg.; 0.32-m f/7.4 Ritchey-Chretien + CCD; A. Novichonok & T.Prystavski (iTelescope observatory, Q62. Remotely Siding Spring, Australia)
2013 Sep. 03.41 UT: m1=14.7 CCD, Dia.=0.65′, Tail=0.8′ in PA:302 deg.; 0.32-m f/7.4 Ritchey-Chretien + CCD; A. Novichonok & T.Prystavski (iTelescope observatory, Q62. Remotely Siding Spring, Australia)
2013 Jul. 29.38 UT: m1=14.7: CCD, Dia.=&0.6′, Tail=1.6′ in PA 310 deg.; 0.32-m f/7.4 Ritchey-Chretien + CCD; A. Novichonok & T.Prystavski (iTelescope observatory Q62. Remotely Siding Spring, Australia)
2013 Jul. 08.45 UT: m1=14.3, Dia.=0.6’, DC=2; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Averted vision, difficult due to scintillation effects, averted vision]
2013 Jul. 02.44 UT: m1=14.2, Dia.=0.5’, DC=2; 25cm L f:5 (167x); Chris Wyatt (Walcha, NSW, Australia) [Averted vision, coma diffuse with small diffuse central condensation during periods of good seeing.]
2013 Jun. 29.19 UT: m1=14.6 CCD, Dia.=0.5′, Tail=0.3′ in PA 316 deg.; 0.11-m f/5.0 refractor + CCD; A. Novichonok & T.Prystavski (iTelescope observatory H06. Remotely Mayhill, U.S.A.)
2013 Jun. 03.39 UT: m1=14.0, Dia.=0.7’, DC=2; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma very diffuse with slightly brighter central condensation, averted vision, observed over a period of 25 minutes]
2013 Jun. 01.26 UT: m1=14.5 CCD, Dia.=0.63′, Tail=1.2′ in PA 303 deg.; 0.11-m f/5.0 refractor + CCD; A. Novichonok & T.Prystavski (iTelescope observatory, H06, remotely Mayhill, U.S.A.)
2013 May. 27.18 UT: m1=14.6 CCD, Dia.=0.3’; CCD images unfiltered; Clermont Vallière (Cd’OA des Monts Notre-Dame, Québec, Canada)
2013 May. 15.21 UT: m1=14.5 CCD, Dia.=0.2’, Tail= 2,6′ PA 304°; Measures taken on CCD images unfiltered; Clermont Vallière (Cd’OA des Monts Notre-Dame, Québec, Canada)
2013 May. 02.14 UT: m1=14.8, DC=3; Visual Aperture 36″ F/3.5; Jean-François Viens (Cd’OA des Monts Notre-Dame, Québec, Canada)
2013 Apr. 30.25 UT: m1=14.4 CCD, Dia.=0.52′, Tail=1.7′ in PA 293 deg.; 0.51-m f/4.5 reflector + CCD; A. Novichonok & T.Prystavski (iTelescope observatory, H06 (remotely Mayhill, U.S.A.)
2013 Avr. 22.27 UT: m1=16.3 CCD, Dia.=0.3’, Tail= 0,9′ PA 304°; Measures taken on CCD images unfiltered; Clermont Vallière (Cd’OA des Monts Notre-Dame, Québec, Canada)
2013 Apr. 13.94 UT: m1=15.3, Dia.=0.2’, DC=7; 50.8cm reflector (250x); Sandor Szabo (Hungary) [Very small and compact comet, motion was checked in 60 min. period]
2013 Apr. 07.18 UT: m1=15.3, DC=4; Visual, Aperture 36″ F/3.5; Jean-François Viens (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada)

116P/Wild 4
2016 July 02.39 UT: m1=13.9, Dia.=1.3’, DC=2/; 25-cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma very diffuse with slightly brighter inner coma. No tail]
2016 June 28.50 UT: m1=13.9, Dia.=0.7’, DC=2/; 25-cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma very diffuse with slightly brighter and opaque centre. Close to mag 13.8 star]
2016 June 25.37 UT: m1=13.7, Dia.=0.8’, DC=3; 25-cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma diffuse and small, slight brightening to a weakly condensed centre. Visible in periods of good seeing]
2016 June 08.69 UT: m1=13.2, Dia.=1.2’, DC=2/; 25-cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma very diffuse with slightly brighter but weakly condensed centre]
2016 June 03.83 UT: m1=13.2 DSRL, Dia.=0.5′; 1100d+300mm lens; Giuseppe Pappa (Mascalucia, Sicily, Italy)
2016 June 03.55 UT: m1=[13.1; 40.0-cm L f/4.5 (257x); Seiichi Yoshida (Gunma, Japan)
2016 May  30.52 UT: m1=13.3, Dia.=1′, DC=4; 40.6-cm L (165x); Paul Camilleri (Warners Bay, Australia)
2016 May  30.49 UT: m1=12.4, Dia=1.6’, DC=3; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma diffuse with brighter and opaque centre. Difficult due to close proximity to a pair of stars 0.8′ away in P.A. 175°, magnitudes 11.9 and 12.4 respectively]
2016 May  29.45 UT: m1=13.3, Dia.=0.9′, DC=4; 40.6-cm L (165x); Paul Camilleri (Warners Bay, Australia)
2016 May  15.75 UT: m1=13.1, Dia.=0.6′, DC=2; 40.6-cm L (165x); Paul Camilleri (Warners Bay, Australia)
2016 May  14.74 UT: m1=13.0, Dia.=0.6′, DC=2; 40.6-cm L (165x); Paul Camilleri (Warners Bay, Australia)
2016 May  13.73 UT: m1=13.0, Dia.=0.8′, DC=2; 40.6-cm L (165x); Paul Camilleri (Warners Bay, Australia)
2016 May  12.74 UT: m1=13.1, Dia.=0.7′, DC=2/; 40.6-cm L (165x); Paul Camilleri (Warners Bay, Australia)
2016 May  11.73 UT: m1=12.9, Dia.=0.7′, DC=3; 40.6-cm L (165x); Paul Camilleri (Warners Bay, Australia)
2016 May  10.74 UT: m1=12.9, Dia.=0.8′, DC=3; 40.6-cm L (165x); Paul Camilleri (Warners Bay, Australia)
2016 May  09.73 UT: m1=13.0, Dia.=0.7′, DC=4; 40.6-cm L (165x); Paul Camilleri (Warners Bay, Australia)
2016 May  06.74 UT: m1=12.9, Dia.=0.7′, DC=3/; 40.6-cm L (165x); Paul Camilleri (Warners Bay, Australia)
2016 May  05.73 UT: m1=12.8, Dia.=0.8′, DC=3; 40.6-cm L (165x); Paul Camilleri (Warners Bay, Australia)
2016 May  05.72 UT: m1=13.1, Dia.=0.9’, DC=5/; 25-cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Outer coma semi-transparent and elongated to the NW approximately, inner coma faintly stellar in periods of good seeing, No tail visible]
2016 May  04.73 UT: m1=13.7, Dia.=0.8′, DC=3; 40.0-cm L f/4.5 (257x); Seiichi Yoshida (Gunma, Japan)
2016 May  04.73 UT: m1=12.8, Dia.=0.6′, DC=3; 40.6-cm L (165x); Paul Camilleri (Warners Bay, Australia)
2016 May  04.66 UT: m1=12.9, Dia.=0.8’, DC=6; 25-cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Does not enhance in Swan Band filter. No tail. Coma opaque and pale blue in colour, small stellar centre offset near coma edge to East. Close to bright stars 3.5’ away in P.A. 0.2°]
2016 May  03.51 UT: m1=12.5, Dia.=0.7′, DC=3; 40.6-cm L (165x); Paul Camilleri (Warners Bay, Australia)
2016 May  01.76 UT: m1=12.8, Dia.=0.5′, DC=3; 40.6-cm L (165.8x); Paul Camilleri (Warners Bay, Australia) [Comet is brighter than last observation and rather easy to observe even with the last quarter Moon high in the eastern sky (32% Illuminated)]
2016 May  01.67 UT: m1=13.0, Dia.=0.9′, DC=3; 40.0-cm L f/4.5 (257x); Seiichi Yoshida (Gunma, Japan)
2016 Apr. 30.98 UT: m1=12.8, Dia.=1.1′, DC=3; 40.0-cm L (138x); Sandor Szabo (Hakos, Namibia)
2016 Apr. 12.76 UT: m1=13.5, Dia.=0.5′, DC=3; 40.6-cm L f/4 (165x); Paul Camilleri (Warners Bay, Australia)
2016 Apr. 15.76 UT: m1=13.4, Dia.=0.6′, DC=2/; 40.0-cm L f/4.5 (257x); Seiichi Yoshida (Ibaraki, Japan)
2016 Apr. 08.67 UT: m1=13.8, Dia.=0.5′, DC=2; 40.0-cm L f/4.5 (257x); Seiichi Yoshida (Ibaraki, Japan)
2016 Apr. 04.70 UT: m1=13.6, Dia.=0.4′, DC=2; 40.6-cm L f/4 (260x); Paul Camilleri (Warners Bay, Australia)
2016 Mar. 18.72 UT: m1=13.4, Dia.=0.7′, DC=2; 40.6-cm L f/4 (165x); Paul Camilleri (Warners Bay, Australia)
2016 Mar. 12.74 UT: m1=13.6, Dia.=0.8′, DC=2; 40.6-cm L f/4 (165x); Paul Camilleri (Warners Bay, Australia)
2016 Mar. 09.71 UT: m1=13.4, Dia.=0.7′, DC=2; 40.6-cm L f/4 (165x); Paul Camilleri (Warners Bay, Australia)
2016 Mar. 07.71 UT: m1=13.3, Dia.=0.8′, DC=2; 40.6-cm L f/4 (165x); Paul Camilleri (Warners Bay, Australia)
2016 Mar. 06.74 UT: m1=13.5, Dia.=0.8′, DC=2; 40.6-cm L f/4 (165x); Paul Camilleri (Warners Bay, Australia)
2016 Mar. 04.74 UT: m1=13.4, Dia.=0.9′, DC=2/; 40.6-cm L f/4 (165x); Paul Camilleri (Warners Bay, Australia)
2016 Feb. 15.73 UT: m1=13.3, Dia.=1.0′, DC=2; 40.6-cm L f/4 (165x); Paul Camilleri (Warners Bay, Australia)
2016 Feb. 12.73 UT: m1=13.4, Dia.=1.0′, DC=2/; 40.6-cm L f/4 (165x); Paul Camilleri (Warners Bay, Australia)
2016 Jan. 11.71 UT: m1=13.7, Dia.=0.7’, DC=2/; 25-cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma very diffuse with slight brightening to centre, no tail. Sky slightly hazy]
2016 Jan. 09.84 UT: m1=13.3, Dia.=0.7′, DC=3; 40.0-cm L f/4.5 (257x); Seiichi Yoshida (Ibaraki, Japan)
2010 Jun. 17.37 UT: m1=17.0 ccd, Dia.=0.39′, DC=3/; 36cm L f/3.8 +CCD; Sergey Shurpakov (Baran’, Belarus)
2010 Jun. 10.41 UT: m1=16.5 ccd, Dia.=0.38′, DC=8, tail:2.1′ in PA:265 deg.; 36cm L f/3.8 +CCD; Sergey Shurpakov (Baran’, Belarus)

110P/Hartley
2015 Mar. 23.88 UT: m1=15.9 CCD + R filter, Dia.=15″, DC 6; 70-cm f/4 L + CCD; Alexander Baransky (Kyiv comet station MPC 585, Ukraine)
2015 Mar. 11.89 UT: m1=16.1 CCD, Dia.=0.3′; [T16] 0.15-m f/7.3 refractor + CCD; A. Novichonok & T. Prystavski (AstroCamp Observatory, I89 remotely from Nerpio, Spain)
2015 Mar. 05.89 UT: m1=16.0 CCD + R filter, Dia.=17″, DC 4, FanTail=23″ in PA: 44-120 deg.; 70-cm f/4 L + CCD; Alexander Baransky (Kyiv comet station MPC 585, Ukraine)
2015 Feb. 22.44 UT: m1=15.5 CCD, Dia.=0.4′, Tail=0.5′ in PA 91 deg; [T31] 0.50-m f/4.4 astrograph + CCD; A. Novichonok & T. Prystavski iTelescope observatory, Q62 remotely from Siding Spring, Australia)
2015 Feb. 16.98 UT: m1=15.0 CCD + R filter, Dia.=37″, DC 6, FanTail=1′ in PA: 30-118 deg.; 70-cm f/4 L + CCD; Alexander Baransky (Kyiv comet station MPC 585, Ukraine)
2015 Feb. 15.80 UT: m1=13.8, Dia.=0′.6, DC=4/, 35 cm reflector (239x); Jakub Cerný (Zachotin, Czech Republic)
2015 Feb. 10.92 UT: m1=15.5 CCD + R filter, Dia.=24″, DC 4; 70-cm f/4 L + CCD; Alexander Baransky (Kyiv comet station MPC 585, Ukraine) [Fan-shaped coma]
2015 Feb. 07.77 UT: m1=14.3, Dia.=0.4′, DC=5; 40cm L (250x); Sandor Szabo (Sopron, Hungary)
2015 Feb. 06.98 UT: m1=14.5 CCD + R filter, Dia.=40″, DC 6, FanTail=1′ in PA: 316-78 deg.; 70-cm f/4 L + CCD; Alexander Baransky, Kyiv comet station MPC 585)
2015 Jan. 16.12 UT: m1=14.2 CCD, Dia.=0.6′; [T20] 0.1-m f/5.0 astrograph + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, H06 remotely from Mayhill, U.S.A.)
2015 Jan. 14.80 UT: m1=14.7 CCD + R filter, Dia.=20″, DC 6, Tail=33″ in PA: 298 deg.; 70-cm f/4 L + CCD; Alexander Baransky (Kyiv comet station MPC 585, Ukraine)
2014 Dec. 20.22 UT: m1=14.2 CCD, Dia.=0.7′, Tail=5.8′ in PA: 277 deg.; [T16] 0.15-m f/7.3 refractor + CCD; A. Novichonok & T. Prystavski (AstroCamp Observatory, I89 remotely from Nerpio, Spain)
2014 Nov. 19.50 UT: m1=15.3 CCD, Dia.=0.41′, Tail=0.7′ in PA: 269 deg.; [T20] 0.11-m f/5.0 refractor + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, H06, remotely Mayhill, U.S.A.)
2014 Oct. 28.02 UT: m1=[15.5, Dia.=0.3’; 50.8cm L (307x); Sandor Szabo (Stuhleck, Austria) [NEGATIVE, fainter than 15.5 mag]
2014 Oct. 02.47 UT: m2=17.0 CCD; [T21] 0.43-m f/6.8 astrograph + CCD + f/4.5 focal reducer; A. Novichonok & T. Prystavski (iTelescope observatory, H06, remotely Mayhill, U.S.A.) [couldn’t estimate coma diameter and total brightness because of poor limiting magnitude images obtained]

108P/Ciffreo
2015 Jan. 17.06 UT: m1=15.0 CCD, Dia.=0.8′; [T20] 0.1-m f/5.0 astrograph + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, H06 remotely from Mayhill, U.S.A.)
2014 Dec. 20.42 UT: m1=13.8: CCD, Dia.=&1.2′; [T20] 0.1-m f/5.0 astrograph + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, H06 remotely from Mayhill, U.S.A.)
2014 Nov. 29.77 UT: m1=13.7, Dia.=0.7′, DC=4; 40.0cm L f/4.5 (144x); Seiichi Yoshida (Gunma, Japan)
2014 Nov. 19.50 UT: m1=13.3 CCD, Dia.=1.5′; [T12]0.11m f/5.0 refractor + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, Q62, remotely from Siding Spring, Australia)
2014 Oct. 28.01 UT: m1=13.8, Dia.=0.8’, DC=4; 50.8cm L (245x); Sandor Szabo (Stuhleck, Austria)
2014 Oct. 26.41 UT: m1=14.3, Dia.=0.4′, DC=4/; 30.5cm L f/4.9 (250x); Todd Augustyniak (Green River State Wildlife Area, Harmon, Illinois, USA) [Very faint but visible with averted vision; movement observed over course of an hour]
2014 Oct. 25.76 UT: m1=[14.2; 40.0cm L f/4.5 (257x); Seiichi Yoshida (Gunma, Japan)
2014 Oct. 18.89 UT: m1=15.2, Dia.=0.5’, DC=4; 50.8cm L (307x); Sandor Szabo (Sopron, Hungary)
2014 Oct. 04.02 UT: m1=14.8, Dia.=0′.5, DC=5; 35cm L (239x); Jakub Cerny (Zachotin, Czech Republic)
2014 Sep. 28.75 UT: m1=13.9 CCD, Dia.=1.3′; [T12] 0.11m f/5.0 refractor + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, Q62, remotely from Siding Spring, Australia)
2014 Sep. 28.22 UT: m1=15.3, DC=3; Visual 36″ F/3.5; Jean-François Viens (Cd’OA des Monts Notre-Dame, Québec, Canada)
2014 Aug. 31.80 UT: m1=14.7 CCD, Dia.=0.6′; 0.43-m f/6.8 astrograph + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, Q62, remotely Siding Spring, Australia)

106P/Schuster
2014 Aug. 31.46 UT: m1=16.3 CCD Dia.=0.28′, Tail= 1.4′ in PA: 276 deg.; 0.51-m f/4.5 reflector + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, H06, remotely from Mayhill, U.S.A.)

104P/Kowal 2
2016 May  04.46 UT: m1=13.1, Dia.=0.5′, DC=3; 40.0-cm L f/4.5 (257x); Seiichi Yoshida (Gunma, Japan)
2016 Apr. 29.73 UT: m1=12.5, Dia.=1.1′, DC=3; 40.0-cm L (138x); Sandor Szabo (Hakos, Namibia)
2016 Mar. 30.78 UT: m1=12.7, Dia.=0.8′, DC=4; 60.3-cm L (244x); Sandor Szabo (Sopron, Hungary)
2016 Mar. 28.11 UT: m1=12.9, Dia.=1.0’, DC=2/; 41-cm L (70x); Alan Hale (Cloudcroft, USA)

103P/Hartley
2011 Mar. 30.81 UT: m1=15.7 ccd, Dia.=0.25′, DC=4; 41cm L f:3.8 + CCD; Sergey Shurpakov (A98, Baran’, Belarus)
2011 Mar. 07.01 UT: m1=12.5, Dia.=1.2′, DC=3; 20cm SCT (133x); Juan José González (Aralla, alt. 1430 m., León, España) [Estrellas de campo comprobadas en el DSS. Estrellas de comparación de la fotometría TASS. Cielo muy claro de montaña]
2011 Feb. 05.06 UT: m1=11.0, Dia.=2.5′, DC=2; 20cm SCT (133x); Juan José González (Valle Peral – Lena, alt. 940 m., Asturias, España)
2011 Ene. 24.89 UT: m1=10.2, Dia.=3′, DC=2/; 20cm SCT (100x); Juan José González (Pandorado, alt. 1190 m., León, España)
2011 Ene. 15.16 UT: m1=9.5, Dia.=5′, DC=2; 20cm SCT (77x); Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España) [Varias estrellas dentro de la coma, con mag. 10.3 (TK) para la más brillante]
2011 Jan. 04.125 UT: m1=9.3, Dia.=10′, DC=2; 20×100 B; Marco Goiato (Araçatuba, Brasil) [próximo a estrela com m1: 6.82]
2011 Jan. 04.00 UT: m1=9.0:, Dia.=5′; 18cm L (57x); Alexandre Amorim (Florianopolis, Brazil)
2010 Dec. 31.46 UT: m1=9.2, Dia.=6′, DC= 2/3; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Coma diffuse. Comp Star= TYC 5965-580-1; Method= S; Cat= TJ]
2010 Dec. 31.04 UT: m1=8.8, Dia.=10′, DC=2; 20×60 B; Willian Souza (Santos, Brazil)
2010 Dec. 30.48 UT: m1=9.5, Dia.=5.5′, DC= 3; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Coma appears smaller than the last observation, background stars in coma. Comp Star= TYC 5965-17-1; Method= S; Cat= TJ]
2010 Dez. 30.135 UT: m1=9.1, Dia.=12′, DC=2; 20×100 B; Marco Goiato (Araçatuba, Brasil)
2010 Dez. 30.125 UT: m1=9.2, Dia.=10′, DC=3/; 22cm L f:6.5 (60x); Marco Goiato (Araçatuba, Brasil)
2010 Dec. 29.48 UT: m1=8.4, Dia.=8.5′, DC= 3; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [No tail, coma diffuse. Comp Star= TYC 5969-974-1; Method= S; Cat= TJ]
2010 Dec. 27.99 UT: m1=8.3, Dia.=10′, DC=2; 20×60 B; Willian Souza (Aguas de Lindoia, Brazil)
2010 Dic. 15.54 UT: m1=7.5, Dia.=15′, DC=2; 7×50 B; Chris Wyatt (Walcha, NSW, Australia) [No tail, coma diffuse. Comp Star= TYC 5987-557-1: Method= S: Cat= TJ]
2010 Dic. 14.52 UT: m1=8.0, Dia.=17′, DC=2; 7×50 B; Chris Wyatt (Walcha, NSW, Australia [No tail, coma slightly condensed. Comp Star= TYC 5987-1775-1: Method= S: Cat= AU]
2010 Dic. 14.12 UT: m1=7.6, Dia.=12′, DC=3; 25×100 B; Juan José González (Aralla, alt. 1440 m., León, España)
2010 Dic. 12.54 UT: m1=7.5, Dia.=10′, DC=1; 7×50 B; Chris Wyatt (Walcha, NSW, Australia) [No tail, coma diffuse. Comp Star= TYC 5987-3116-1: Method= S: Cat= TJ]
2010 Dic. 12.53 UT: m1=8.3, Dia.=9.6′, DC= 4; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [No tail, coma shows small central condensation with a bar-like feature extending West within the coma, outer coma appears offset to the North. Comp Star= TYC 5983-487-1: Method= S: Cat= TJ]
2010 Dic. 11.55 UT: m1=7.9, Dia.=8´, DC=3; 25×100 B; David A. J. Seargent (The Entrance, NSW, Australia)
2010 Dic. 11.53 UT: m1=7.7, Dia.=20′, DC=1/2: 7×50 B; Chris Wyatt (Walcha, NSW, Australia) [No tail. Comp Star= TYC 5987-216-1: Method= S: Cat= TJ]
2010 Dic. 11.05 UT: m1=7.4, Dia.=12′, DC=2/; 25×100 B; Juan José González (El Fito – Sierra del Sueve, alt. 570 m., Asturias, España)
2010 Dez. 09.145 UT: m1=7.4, Dia.=15′, DC=2; 7×50 B; Marco Goiato (Araçatuba, Brasil)
2010 Dic. 07.51 UT: m1= 7.6, Dia.=12´; 10×50 B; David A. J. Seargent (The Entrance, NSW, Australia)
2010 Dez. 07.156 UT: m1=7.3, Dia.=15′, DC=2; 7x50B: Marco Goiato (Araçatuba, Brasil)
2010 Dez. 05.167 UT: m1=7.6, Dia.=12′, DC=3; 20×100 B; Marco Goiato (Araçatuba, Brasil) [Nebulosidade]
2010 Dec. 04.78 UT: m1=7.6, Dia.=11′, DC=6; 40cm L f:4 (36x); Seiichi Yoshida (Kita-karuizawa, Gunma, Japan)
2010 Dic. 04.09 UT: m1= 7.5, Dia.=10′, DC=3, no cola; 11×80 B; Carlos Labordena (Castellón, España)
2010 Dic. 04.05 UT: m1=7.2, Dia.=15′, DC=3; 10×50 B; Juan José González (Puente del Embalse de Barrios de Luna, alt. 1120 m., León, España)
2010 Nov. 29.00 UT: m1=7.1, Dia.=12′, DC=3/; 10×50 B; Juan José González (Puerto de Aralla, alt. 1545 m., León, España ) [Antes del orto lunar. Altura sobre el horizonte: 16º]
2010 Nov. 28.09 UT: m1=7.0:, Dia.=10′, DC=1; 20×80 B; Alexandre Amorim (Florianopolis,Brazil) [clouds]
2010 Nov. 17.29 UT: m1=6.7, Dia.=10′, DC=2/; 10×50 B; Alexandre Amorim (Florianopolis, Brazil)
2010 Nov. 16.02 UT: m1=6.5, Dia.=10′, DC=4; 25 cm reflector (60x); Vyacheslav Ivanov (Peschanka, Russia)
2010 Nov. 15.250 UT: m1=6.2, Dia.=20′, DC=3, 7x50B; Marco Goiato (Araçatuba, Brasil)
2010 Nov. 14.65 UT: m1=6.9, Dia.=20′, DC=2/3; 7×50 B; Chris Wyatt (Walcha, NSW, Australia) [No tail, coma broad and elongated to North. Comp Star= TYC 5400-4701-1; Method= S; Cat= TJ]
2010 Nov. 14.23 UT: m1=6.0, Dia.=12’, DC=1, Cola: No visible; 20cm SCT (32x); Alberto Anunziato (Oro Verde, Argentina) [Mét. Sidgwick, Cat. Tycho II]
2010 Nov. 14.135 UT: m1=6.1, Dia.=22′, DC=3, 7×50 B; Marco Goiato (Araçatuba, Brasil)
2010 Nov. 13.63 UT: m1=6.6, Dia.=11′, DC=5; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [No tail, coma large and ciruclar, edges diffuse, gradual brightening to centre, central condensation not stellar. Comp Star= TYC 4828-2768-1; Method= S; Cat= TJ]
2010 Nov. 13.19 UT: m1=5.3, Dia.=30′, DC=4; monocular 4×30; Juan José González (Collada Llomena – Ponga, alt. 995 m., Asturias, España)
2010 Nov. 12.54 UT: m1=6.3, Dia.=20; 10×50 B; David A. J. Seargent (The Entrance, NSW, Australia)
2010 Nov. 12.23 UT: m1=5.8, Dia.=5′, DC=3; 25cm L f/4 (45x); Gonzalo Vargas B (Cochabamba, Bolivia) [Método Bobrovnikoff; Estrellas ref.: GSC 4821 2975 (5.60) y GSC 4820 2829 (6.25); Interferencia de luz lunar:no; Presencia de nubosidad:no; Polución lumínica:si; Altura sobre el horizonte:35grados; Visible a simple vista:no; Magnitud a simple vista:no; MALE a simple vista:5; MALE instrumental:12]
2010 Nov. 12.135 UT: m1=6.0, Dia.=25′, DC=3/, 7x50B; Marco Goiato (Araçatuba, Brasil)
2010 Nov. 11.56 UT: m1=6.1, Dia.=20′; 10×50 B; David A. J. Seargent (The Entrance, NSW, Australia)
2010 Nov. 11.29 UT: m1=6.7, Dia.=12′, DC=3; 20×80 B; Alexandre Amorim (Florianopolis, Brazil)
2010 Nov. 08.64 UT: m1=6.2, Dia.=20’, DC=3/4; 7×50 B; Chris Wyatt (Walcha, NSW, Australia) [Coma large and diffuse, broad fan shaped, elongated to the North, central condensation not stellar but bright and gradual. Faint outer coma visible using averted vision. Comp Star= TYC 4822-3681-1; Method= S; Cat= TJ]
2010 Nov. 08.30 UT: m1=6.6, Dia.=10′, DC=2; 20×80 B; Alexandre Amorim (Florianopolis, Brazil)
2010 Nov. 08.177 UT: m1=5.9, Dia.=30′, DC=3; 8×2.5 B; Marco Goiato (Araçatuba, Brasil)
2010 Nov. 08.167 UT: m1=6.0, Dia.=25′, DC=4; 7×50 B; Marco Goiato (Araçatuba, Brasil)
2010 Nov. 07.30 UT: m1=6.0; 8×30 B; Jose G. de S. Aguiar (Campinas, Brazil)
2010 Nov. 07.30 UT: m1=6.5, Dia.=10′, DC=2; 20×60 B; Willian Souza (Sao Paulo, Brazil)
2010 Nov. 07.29 UT: m1=6.7, Dia.=8′, DC=3; 20×80 B; Alexandre Amorim (Florianopolis, Brazil)
2010 Nov. 07.25 UT: m1=5.5, Dia.=9’, DC=2, Cola: No visible; 20cm SCT (32x); Alberto Anunziato (Oro Verde, Argentina) [Mét. Sidgwick, Cat. Tycho II]
2010 Nov. 07.187 UT: m1=6.0, Dia.=20′, DC=4/; 7×50 B; Marco Goiato (Araçatuba, Brasil)
2010 Nov. 05.29 UT: m1=6.8, Dia.=7′, DC=3; 20×80 B; Alexandre Amorim (Florianopolis, Brazil)
2010 Nov. 04.28 UT: m1=6.7:, Dia.=8′; 20×80 B; Alexandre Amorim (Florianopolis, Brazil)
2010 Nov. 04.25 UT: m1=6.3, Dia.=15′, DC=2; 20×60 B; Willian Souza (Sao Paulo, Brazil)
2010 Nov. 04.14 UT: m1=4.8, Dia.=45′, DC=4; simple vista; Juan José González (Alto del Castro – Aralla, alt. 1720 m., León,España) [En 20 cm SCT (77x): m2=11.8 (Tycho-2); ancha cola de polvo de 0.2º en PA 290º, embebida en la coma. Cielo muy claro de montaña]
2010 Nov. 03.28 UT: m1=6.3, Dia.=10′, DC=3; 10×50 B; Alexandre Amorim (Florianopolis, Brazil)
2010 Nov. 03.23 TU m1=5.5, Dia.=14′, DC=4; 25cm L f/4 (45x); Gonzalo Vargas B (Cochabamba, Bolivia) [Método Bobrovnikoff; Estrellas ref.: GSC 753 2754 (5.12) y GSC 7492 885 (5.75); Interferencia de luz lunar:no; Presencia de nubosidad:no; Polución lumínica:si; Altura sobre el horizonte:30grados; Visible a simple vista:no; Magnitud a simple vista:no; MALE a simple vista:5; MALE instrumental:12]
2010 Nov. 03.167 UT: m1=5.6, Dia.=30′, DC=2/; 7×50 B; Marco Goiato (Araçatuba, Brasil)
2010 Nov. 02.70 UT: m1=5.6, Dia.=20’, DC=3; 7×50 B; Chris Wyatt (Walcha, NSW, Australia) [Coma appears elongated to the East and West slightly. Not visible naked eye, central condensation gradually intensifies to centre. Comp Star= TYC 759-2861-1; Method= S; Cat= TJ]
2010 Nov. 02.31UT: m1=6.0, Dia.=20´, DC=4, Cola: no visible; 25cm L (48x); Salvador Aguirre (Hermosillo, Sonora, Mexico)
2010 Nov. 02.28 UT: m1=6.0, Dia.=15′, DC=1/; 10×50 B; Alexandre Amorim (Florianopolis, Brazil)
2010 Nov. 02.25 UT: m1=7.1, Dia.=12′, DC=2; 7cm R (11x); Isbel González (Guayos, Cuba) [Método Beyer]
2010 Nov. 01.23 UT: m1=5.9, Dia.=12′, DC=0; 10×50 B; Alexandre Amorim (Florianopolis, Brazil)
2010 Nov. 01.06 UT: m1=5.5, Dia.=20′, DC=2; Naked eye; Vyacheslav Ivanov (observation obtain in 70 km from Antalya, Turkey)
2010 Oct. 31.19 UT: m1=5.9, Dia.=11′, DC=0; 10×50 B; Alexandre Amorim (Florianopolis, Brazil)
2010 Oct. 31.17 UT: m1=5.7, Dia.=15′, DC=4, 20×60 B; Willian Souza (Aguas de Lindoia, Brazil)
2010 Oct. 30.30 UT: m1=5.7; 8×30 B; Jose G. de S. Aguiar (Campinas, Brazil)
2010 Oct. 30.29 UT: m1=6.0, Dia.=15′, DC=2; 20×60 B; Willian Souza (Sao Paulo, Brazil)
2010 Out. 30.146 UT: m1=5.3, Dia.=25′, DC=2/; 7X50 B; Marco Goiato (Araçatuba, Brasil) [Nuvens]
2010 Out. 29.125 UT: m1=5.4, Dia.=20′, DC=2; 7X50 B; Marco Goiato (Araçatuba, Brasil) [Luar]
2010 Oct. 27.29 UT: m1=6.3, Dia.=5′, DC=4; 20×80 B; Alexandre Amorim (Florianopolis, Brazil) [moonlight]
2010 Oct. 26.29 UT: m1=6.1, Dia.=8′, DC=3; 20×80 B; Alexandre Amorim (Florianopolis, Brazil) [moonlight]
2010 Oct. 24.30 UT: m1=6.5, Dia.=7′, DC=4; 20×80 B; Alexandre Amorim (Florianopolis,Brazil) [moonlight]
2010 Out. 21.360 UT: m1=4.8, Dia.=40′, DC=2; 8X25 B; Marco Goiato (Araçatuba, Brasil) [Crepúsculo astronômico]
2010 Out. 21.354 UT: m1=4.9, Dia.=40′, DC=3/; 7X50 B; Marco Goiato (Araçatuba, Brasil) [Crepúsculo astronômico]
2010 Oct. 21.31 UT: m1=5.0, Dia.=30′, DC=2; 7×50 B; Willian Souza (Sao Paulo, Brazil)
2010 Oct. 21.28 UT: m1=5.3; 8×30 B; Jose G. de S. Aguiar (Campinas, Brazil)
2010 Oct. 20.19 UT: m1=4.7, Dia.=45′, DC=4; monocular 4×30; Juan Jose Gonzalez (Alto del Castro – Aralla, alt. 1720 m., León, España) [La proximidad a una estrella de mag. 5.5 (TK) no permitió una adecuada estimación de magnitud a simple vista. En 7x50B: coma de 30′, DC=5. Cielo muy claro de montaña]
2010 Out. 19.353 UT: m1=6.5, Dia.=-‘, DC=-; 8X30 B; Jorge Fidel Cubiles (La Habana, Cuba)
2010 Out. 19.344 UT: m1=4.9, Dia.=40′, DC=2; 8X25 B; Marco Goiato (Araçatuba, Brasil)
2010 Out. 19.333 UT: m1=5.0, Dia.=40′, DC=3; 7X50 B; Marco Goiato (Araçatuba, Brasil)
2010 Oct. 18.72 UT: m1=5.9, Dia.=24′; 4×30 B; David A. J. Seargent (Cowra, NSW, Australia) [Somewhat enhanced with Swan Band filter. Small central condensation in 15×80 binoculars] Intermittently glimpsed with naked eye using averted vision.
2010 Oct. 18.10 UT: m1=4.6, Dia.=50′, DC=3; simple vista; Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España) [En 7x50B: coma de 35′, DC=5. En 20 cm SCT (77x): ancha cola de polvo de 0.1º en PA 250º, embebida en la coma. Cielo muy claro de montaña]
2010 Oct. 16.92 UT: m1=4.8, Dia.=40′, DC=4; 7×50 B; Toni Scarmato (Calabria, Italia) [I saw the comet with naked eye but because close to a star of 5.6 mag I used my 7×50 to make an estimation.]
2010 Oct. 15.00 UT: m1=4.7, Dia.=60′, DC=2; simple vista; Juan José González (Aralla, alt. 1440 m., León, España) [En monocular 4×30: m1=4.8. En 7x50B: coma de 35′, DC=4. Cielo muy claro de montaña]
2010 Out. 14.125 UT: m1=5.0, Dia.=40′, DC=2, 8X25 B; Marco Goiato (Maceió, Brasil)
2010 Oct. 13.93 UT: m1=5.0, Dia.=50′, DC=3/; monocular 4×30; Juan José González (Pandorado, alt. 1720 m., León, España) [Coma involucrada con dos estrellas de mag 6.8 (TK). En 20 cm SCT (77x): cola de polvo de 0.2º en AP 250º]
2010 Oct. 11.11 UT: m1=5.0, Dia.=30′, DC=2; 10×50 B; Jorge Solano (Paseo Santaluz, San José Pinula, Guatemala) [Cielo mayormente despejado, no suficiente para captarlo a simple vista]
2010 Oct. 10.75 UT: m1=5.8, Dia.=23′, DC=3; 20×80 B; Artyom Novichonok (Kondopoga, Russia)
2010 Oct. 10.195UT: m1=6.0, Dia.=18´, DC=4, Cola: no visible; 15cm SCT (37x); Salvador Aguirre (Hermosillo, Sonora, Mexico)
2010 Oct. 08.84 UT: m1=6.3, Dia.=12′, DC=4; 20×50 B; Alfons Diepvens (Balen Belgium)
2010 Oct. 08.78 UT: m1=6.0, Dia.=30′, DC=3; 25 cm reflector (60x); Vyacheslav Ivanov (Peschanka, Russia)
2010 Oct. 07.89 UT: m1=6.3, Dia.=12′, DC=4; 20×50 B; Alfons Diepvens (Balen Belgium)
2010 Oct. 07.89 UT: m1=5.1, Dia.=50′, DC=2/; monocular 4×30; Juan José González (Les Bedules – Ponga, alt. 1080 m., Asturias, España) [En 7x50B: m1=6.0, Dia.=25′. Varias estrellas en la coma, siendo la más brillante KK Persei ( variable 6.6 – 7.9 ). Cielo muy claro de montaña]
2010 Oct. 07.87 UT: m1=5.8, Dia.=35′, DC=5; 7×50 B; Toni Scarmato (Calabria, Italia) [Diffuse the outer side of the coma but with a clear central condensation. In 20×90 it is possible to detect the motion of the comet in a few minutes and the coma is clearly asimmetric. No tail visible]
2010 Oct. 07.80 UT: m1=6.1, Dia.=27′, DC=3; 20×80 B; Artyom Novichonok (Konchezero, Russia)
2010 Oct. 07.74 UT: m1=8.6 ccd, Dia.=4.1′, DC=6; 25cm L +ccd +Rc filter; Toni Scarmato (Calabria, Italia)
2010 Oct. 07.13 UT: m1=6.5, Dia.=16´, DC=3, Cola: no visible; 15cm SCT (37x); Salvador Aguirre (Hermosillo, Sonora, Mexico)
2010 Oct. 06.84 UT: m1=6.6, Dia.=26′, DC=2; 20×80 B; Artyom Novichonok (Konchezero, Russia)
2010 Out. 06.146 UT: m1=6.2:, Dia.=20′, DC=2; 20X100 B; Marco Goiato (Araçatuba, Brasil) [altitude do cometa= 11º, poluição luminosa]
2010 Oct. 05.92 UT: m1=7.1, Dia.=25′, DC=2; 7×50 B; Artyom Novichonok (Sopoha, Russia)
2010 Oct. 05.92 UT: m1=5.9, Dia.=35′, DC=3, no cola; 11×80 B; Carlos Labordena (Castellón, España) [Aspecto ovalado]
2010 Oct. 05.17 UT: m1=6.0, Dia.=20′, DC=1; 10×50 B; Jorge Solano (Paseo Santaluz, San José Pinula, Guatemala) [Cielo mayormente despejado pero con leve bruma]
2010 Oct. 04.83 UT: m1=5.3, Dia.=45′, DC=2; simple vista; Juan José González (Pandorado, alt. 1190 m., León, España) [En monocular 4×30: m1=5.2. Observación realizada en mejores condiciones, desde una localidad de montaña más elevada, proporcionando un mucho mayor diámetro de coma y una m1 más brillante respecto a mi estimación previa de Oct. 2.86]
2010 Oct. 04.77 UT: m1=7.2, Dia.=21′, DC=2; 7×50 B; Artyom Novichonok (Kondopoga, Russia)
2010 Oct. 02.93 UT: m1=7.0, Dia.=16′, DC=2, no cola; 11×80 B; Carlos Labordena (Castellón, España)
2010 Oct. 02.86 UT: m1=6.4, Dia.=25′, DC=2; 4×30 monocular; Juan José González (Collado de Hoz, alt. 637 m., Cantabria, España) [En 7x50B: m1=6.6. En 25x100B: Varias estrellas de mag. 9 en la coma, siendo la más brillante 9.1 (TK). Cielo muy claro de montaña]
2010 Oct. 02.84 UT: m1=9.1 ccd, Dia.=3.6′, DC 6; 25cm L +ccd +Rc filter; Toni Scarmato (Calabria, Italia)
2010 Sep. 30.80 UT: m1=7.3, Dia.=25′, DC 4; 7×50 B; Toni Scarmato (Calabria, Italia) [Coma very diffuse. Seem visible a central condensation well condensed estimed 8.5 mag.]
2010 Sep. 29.83 UT: m1=7.5, Dia.=20′, DC 2; 7×50 B; Toni Scarmato (Calabria, Italia)
2010 Sep. 29.78 UT: m1=9.3 ccd, Dia.=3.4′, DC=6; 25cm L +ccd +Rc filter; Toni Scarmato (Calabria, Italia)
2010 Sep. 28.83 UT: m1=7.2, Dia.=18′, DC=2; 10×50 B; Juan José González (Puerto de la Magdalena, alt. 1441 m., León, España) [En 25x100B: m1=7.6. Cielo muy claro de montaña]
2010 Sep. 28.51 UT: m1=9.3, Dia.=7′, DC=1/2; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Comet was 4 degrees above horizon at the time of observation, dark sky, clear horizon, coma diffuse, no tail. Not corrected for atmospheric extinction. Comp Star= TYC 3653-742-1; Method= S; Cat= TJ]
2010 Sep. 27.82 UT: m1=7.3, Dia.=13′, DC=2; 10×50 B; Juan José González (Grandota, alt. 470 m., Asturias, España) [En 25x100B: m1=7.7. Localidad rural, cielo muy claro]
2010 Sep. 26.80 UT: m1=8.2, Dia.=8′, DC=3, no cola; 11×80 B; Carlos Labordena (Castellón, España)
2010 Sep. 20.16 UT: m1=8.1, Dia.=15′, DC=2/; 10×50 B; Juan José González (Aralla, alt. 1440 m., León, España) [En 25x100B: m1=8.4]
2010 Sep. 19.10 UT: m1=12.4 ccd, Dia.=1.0′, DC=7/; 41cm L f/3.8 +CCD; Sergey Shurpakov (Belarus)
2010 Sep. 15.87 UT: m1=8.3, Dia.=12′, DC=3; 7×50 B; Toni Scarmato (Calabria, Italia)
2010 Sep. 15.00 UT: m1=8.5, Dia.=15′, DC=2; 10×50 B; Juan José González (Aralla, alt. 1440 m., León, España) [En 25x100B: m1=8.8]
2010 Sep. 14.95 UT: m1=10.0, Dia.=8′, DC=3; 15cm L; Ilya Los’ (Saratov, Russia)
2010 Sep. 14.93 UT: m1=12.5 ccd, Dia.=0.92′, DC=7/, tail 1.2′ in PA 193 deg.; 41cm L f/3.8 +CCD; Sergey Shurpakov (Belarus)
2010 Sep. 14.92 UT: m1=10.1: ccd, Dia.=7.3′; 11cm L +CCD; Artyom Novichonok (Kondopoga, Russia) & Evgeny Plyaschenko (Petropavlovsk, Kazakhstan )
2010 Sep. 14.81 UT: m1=9.7, Dia.=6′, DC=d3; 25.4cm L; Vyacheslav Ivanov (Peschanka, Russia)
2010 Sep. 13.82 UT: m1=10.0, Dia.=5′, DC=d3; 20.0cm L; Vyacheslav Ivanov (Peschanka, Russia)
2010 Sep. 13.78 UT: m1=11.0 ccd, Dia.=3.0′, DC 6; 25cm L +ccd +Rc filter; Toni Scarmato (Calabria, Italia) [I saw the comet visually in my 20×90 binoculars, diffuse with a coma large about 8′, no central condensation visible, no tail visible, magnitude estimation no precise 9.0]
2010 Set. 13.125 UT: m1=9.7, Dia.=4′, DC=3; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2010 Set. 12.167 UT: m1=9.7, Dia.=4′, DC=3, 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil);
2010 Sep. 11.95 UT: m1=9.8, Dia.=4′, DC=3; 15cm L; Ilya Los’ (Saratov, Russia)
2010 Sep. 10.97 UT: m1= 9.1, Dia.=4′, DC=3, no cola; 11×80 B; Carlos Labordena (Castellón, España)
2010 Sep. 10.82 UT: m1=10.0, Dia.=4′, DC=d3; 25.4cm L; Vyacheslav Ivanov (Saratov, Russia)
2010 Sep. 10.34 UT: m1=9.5: ccd, Dia.=6.9′; 9cm L +CCD; Artyom Novichonok (Kondopoga, Russia) & Oleg Sankin (Moscow, Russia)
2010 Set. 10.125 UT: m1=10.3:, Dia.=2′, DC=4, 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2010 Sep. 10.05 UT: m1=9.3, Dia.=8′, DC=3; 25×100 B; Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España) [En 20 cm SCT (77x): m1=9.5]
2010 Sep. 09.92 UT: m1=9.9, Dia.=6.2′, DC=3; 13cm L; Artyom Novichonok ( konchezero, Russia )
2010 Sep. 09.10 UT: m1=10.0, Dia.=0′.5; 18cm L (57x); Alexandre Amorim (Florianopolis, Brazil)
2010 Sep. 08.94 UT: m1=10.0, Dia.=5.9′, DC=3; 13 cm reflector; Artyom Novichonok ( Konchezero, Russia )
2010 Sep. 07.55 UT: m1=10.8, Dia.= 11’, DC=2/3; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [No tail. Comp Star= TYC 3224-1968-1; Method= S; Cat= TJ]
2010 Sep. 06.76 UT: m1=11.1 ccd, Dia.=3.0′, DC 6; 25cm L +ccd +Rc filter; Toni Scarmato (Calabria, Italia)
2010 Sep. 06.50 UT: m1=10.2, Dia.= 7.7’, DC=2/3; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Coma large and diffuse, slightly concentrated condensation using averted vision, 8 degrees above local horizon. Comp Star= TYC 3219-1183-1; Method= S; Cat= TJ]
2010 Sep. 04.86 UT: m1=9.8, Dia.=6′, DC=3; 25×100 B; Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España) [En 20 cm SCT (77x): m1=10.1]
2010 Sep. 04.77 UT: m1=11.2 ccd, Dia.=3.0′, DC 6; 25cm L +ccd +Rc filter; Toni Scarmato (Calabria, Italia)
2010 Sep. 03.85 UT: m1= 10.4, Dia.=4′, DC=4, no cola; 23.5cm SCT(67x); Carlos Labordena (Castellón, España)
2010 Sep. 03.04 UT: m1=10.5, Dia.=5.9′, DC=5; 22cm L + CCD; Artyom Novichonok (Kondopoga, Russia) & Victor Voropaev (Moscow, Russia)
2010 Sep. 02.96 UT: m1=10.4, Dia.=2.8′, DC=5; 22cm L + CCD; Artyom Novichonok (Kondopoga, Russia) & Victor Voropaev (Moscow, Russia)
2010 Sep. 01.79 UT: m1=10.8 ccd, Dia.=2.5′, DC 7; 25cm L +ccd +Rc filter; Toni Scarmato (Calabria, Italia)
2010 Aug. 31.95 UT: m1=11.5, Dia.=2.3′; 22cm L + CCD; Artyom Novichonok (Kondopoga, Russia) & Victor Voropaev (Moscow, Russia)
2010 Aug. 30.92 UT: m1=11.3, Dia.=2.9′; 11.4cm L + CCD; Artyom Novichonok (Kondopoga, Russia) & Evgeny Plyaschenko (Petropavlovsk, Kazakhstan)
2010 Aug. 29.82 UT: m1=11.6 ccd, Dia.=2.1′, DC=7; 25cm L +ccd +Rc filter; Toni Scarmato (Calabria, Italia)
2010 Aug. 27.77 UT: m1=11.8 ccd, Dia.=2.1′, DC 7; 25cm L +ccd +Rc filter; Toni Scarmato (Calabria, Italia)
2010 Aug. 26.79 UT: m1=12.8 ccd, Dia.=1.5′, DC=6; 25cm L +ccd +Rc filter; Toni Scarmato (Calabria, Italia) [Haze and moonlight]
2010 Aug. 25.80 UT: m1=12.3 ccd, Dia.=1.5′, DC=6; 25cm L +ccd +Rc filter; Toni Scarmato (Calabria, Italia)
2010 Aug. 22.83 UT: m1=12.8 ccd, Dia.=0.8′, DC=6; 25cm L +ccd +Rc filter; Toni Scarmato (Calabria, Italia)
2010 Aug. 20.94 UT: m1=13.2, Dia.=0.8′, DC=5; 25.4cm L (203x); Artyom Novichonok (Sheltozero, Russia)
2010 Ago. 20.18 UT: m1=12.3, Dia.=1.3′, DC=5/; 20cm SCT (133x); Juan José González (Pandorado, alt. 1190 m., León, España)
2010 Aug. 18.88 UT: m1=13.3, Dia.=0.8′, DC=3; 25.4cm L (203x); Alexander Smirnov (Sheltozero, Russia)
2010 Aug. 16.88 UT: m1=12.8, Dia.=1.2′, DC=4; 61.5cm L (203x); Artyom Novichonok (Sheltozero, Russia)
2010 Aug. 15.90 UT: m1=13.0, Dia.=0.7′, DC=5; 25.4cm L (203x); Artyom Novichonok (Sheltozero, Russia)
2010 Aug. 13.85 UT: m1=14.0 ccd, Dia.=0.8′, DC=6; 25cm L +ccd +Rc filter; Toni Scarmato (Calabria, Italia)
2010 Aug. 11.90 UT: m1=14.1 ccd, Dia.=0.8′, DC=5; 25cm L +ccd +Rc filter; Toni Scarmato (Calabria, Italia)
2010 Aug. 07.91 UT: m1=14.1 ccd, Dia=0.8′, DC=5; 25cmL +ccd +Rc filter; Toni Scarmato (Calabria, Italia)
2010 Aug. 07.57 UT: m1=13.4, Dia.=0.6′, DC=6; 40.0cm L f/4.5 (257x); Seiichi Yoshida (Gunma, Japan) [See it again since 1998. This comet will be very bright this autumn. I was surprised that it is already bright and visible, because few visual observations have been recently. Well condensed, not tiny]
2010 Ago. 06.96 UT: m1=13.2, Dia.=0.6′, DC=6; 20 cm SCT (133x); Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España) [Cielo muy claro de montaña. Estrellas de campo comprobadas en el DSS. Movimiento seguido durante 60 min. Estrellas de comparación de la secuencia Henden de Y Peg]
2010 Aug. 04.53 UT; m1=13.4, Dia.=0.7’, DC= 1; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma small and diffuse, visible only in periods of good seeing using averted vision. Comp Star= GSC-2223-1928; Method= S; Cat= HS]
2010 Aug. 01.90 UT: m1=14.3 ccd, Dia.=0.6′, DC=5; 25cm L +ccd +Rc filter; Toni Scarmato (Calabria, Italia)
2010 Jul. 29.85 UT: m1=14.8 ccd, Dia.=0.6′, DC=3; 25cm L +ccd +Rc filter; Toni Scarmato (Calabria, Italia)
2010 Jul. 22.91 UT: m1=15.0 ccd, Dia.=0.4′, DC=4; 25cm L +ccd +Rc filter; Toni Scarmato (Calabria, Italia)
2010 Jul. 20.96 UT: m1=15.5 ccd, Dia.=0.4′, DC=4; 25cm L +ccd +Rc filter; Toni Scarmato (Calabria, Italia)
2010 Jul. 18.06 UT: m1=[14.5; 20 cm SCT (133x); Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España) [Cometa no observado en la posición de efemérides. Cielo muy claro de montaña]
2010 Jul. 13.01 UT: m1=16.4 ccd, Dia.=0.2′, DC=4; 25cm L +ccd +Rc filter; Toni Scarmato (Calabria, Italia)

102P/Shoemaker
2013 Nov. 05.04 UT: m1=17.4 CCD, Dia.=0.3’; CCD images unfiltered; Pierre Laporte (Cd’OA des Monts Notre-Dame, Québec, Canada)
2013 Oct. 09.20 UT: m1=[12.0, negativa; 25cm Reflector (60x); Salvador Aguirre (Hermosillo, Sonora, Mexico)
2013 Oct. 08.67 UT: m1=17.5 CCD, Dia.=0.31′, Tail=0.3′ in PA 127 deg.; 0.40-m f/8 Ritchey-Chretien + CCD; V.Gerke & T.Prystavski (Ka-Dar observatory, TAU station C32, remotely Nizhniy Arkhyz, Russia)
2013 Sep. 30.11 UT: m1=17.2′, DC=4; Visual, Aperture 36″ F/3.5; Jean-François Viens (Cd’OA des Monts Notre-Dame, Québec, Canada)
2013 Sep. 08.01 UT: m1=15.2 CCD + V filter, Dia.=0.48′, DC=4; 15cm L f/4 (10x30s); Mieczyslaw Leszek Paradowski (Dabrowa, Poland) [Software: IRIS. Comparison star UCAC4-560-000799 15.383+/-0.04mag with B-V=0.651. Takeing the same star from UCAC3 (15.82mag) m1=15.7!]
2013 Sep. 06.21 UT: m1=17.9 CCD, Dia.=0.4’; CCD images unfiltered; Pierre Laporte (Cd’OA Monts Notre-Dame, Québec, Canada) [comparison star 3UCAC 223-001641 mag.=16.36]
2013 Aug. 11.26 UT: m1=15.9 CCD, Dia.=0.5’; Measures taken on CCD images unfiltered; Pierre Laporte (Cd’OA, Monts Notre-Dame, Québec, Canada) [comparison star 3UCAC 204-002147 mag.=14.20]
2013 Aug. 09.94 UT: m1=16.8 CCD, Dia.=0.6′, Tail=0.8′ in PA 236 deg; 0.40-m f/8 Ritchey-Chretien + CCD; V.Gerke & T.Prystavski (Ka-Dar observatory, TAU station C32, remotely Nizhniy Arkhyz, Russia)
2013 Jul. 31.77 UT: m1=17.5 CCD, Dia.=0.27′, Tail=0.2′ in PA 222 deg.; 0.32-m f/7.4 Ritchey-Chretien + CCD; A. Novichonok & T.Prystavski (iTelescope observatory Q62. Remotely Siding Spring, Australia)

98P/Takamizawa
2013 Jun. 30.82 UT: m1=15.4 CCD, Dia.=0.7′; 0.40-m f/8 Ritchey-Chretien + CCD; V.Gerke & T.Prystavski (Ka-Dar observatory, TAU station C32, remotely Nizhniy Arkhyz, Russia)
2013 Jul. 28.52 UT: m1=14.8: CCD, Dia.=&0.7′; 0.43-m f/6.8 astrograph + CCD; A. Novichonok & T.Prystavski (iTelescope observatory Q62. Remotely Siding Spring, Australia)

96P/Machholz 1
2012 Sep. 13.85 UT: m1=10.8, Dia.=4′, DC=1/; 20cm SCT (100x); Juan José González (Alto del Castro – Aralla, alt. 1720 m, León, España) [Altura sobre el horizonte: 15º. Cielo muy claro de montaña]
2012 Sep. 06.04 UT: m1=13.3 ccd, Dia.=1.0’; Measures taken on CCD images; Pierre Laporte (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada)
2012 Sep. 03.38 UT: m1=13.1, Dia.=3’, DC=0/1; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Very diffuse coma, averted vision, zodiacal light interference. Method=S; Cat=AQ]
2012 Aug. 24.07 UT: m1=15.2 ccd, Dia.=0.3’; Measures taken on CCD images; Pierre Laporte (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada) [Moon present nearby]
2012 Ago. 21.88 UT: m1=10.5, Dia.=6′, DC=2/; 20cm SCT (77x); Juan José González (Alto del Castro – Aralla, alt. 1720 m, León, España)
2012 Aug. 20.37 UT: m1=11.2, Dia.=7.7’, DC=2/3; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [No tail, coma large and diffuse, does not enhance in Swan Band filter, moonlight interference and zodiacal light interference. Method= S; Cat= TA]
2012 Aug. 19.83 UT: m1=11.8, Dia.=1.5′, DC=3; 20.3cm L f:6 (63x); Piotr Guzik (Szklary, Poland) [Method=M; Cat=TK]
2012 Aug. 19.39 UT: m1=11.3, Dia.=3.3’, DC=2; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Coma large and diffuse, no tail, slight increase in brightness from coma edges to centre, zodiacal light interference. Method= S; Cat= AQ]
2012 Ago. 17.86 UT: m1=10.8, Dia.=2.5′, DC=3, no cola; 23.5cm SCT(94x); Carlos Labordena (Castellón, España)
2012 Ago. 09.89 UT: m1=10.2, Dia.=2.5′, DC=4; 20cm SCT (100x); Juan José González (Alto del Castro – Aralla, alt. 1720 m, León, España) [Coma elongada en AP 80º. Altura sobre el horizonte: 19º. Cielo muy claro de montaña]
2012 Aug. 06.36 UT: m1=10.1; Dia.=5.5’, DC=5; 25cm L f:5 (x39); Chris Wyatt (Walcha, NSW, Australia) [Coma elongated to the ENE, enhances using Swan Band filter. Method= M; Cat= TA]
2012 Aug. 04.36 UT; m1=9.8, Dia.=6’; DC=4/5; 25cm L f:5 (x39); Chris Wyatt (Walcha, NSW, Australia) [Coma large and elongated to the East, small central condensation, slightly fainter inner coma fading to edges, outer coma visible with averted vision. Method= M; Cat= TA]
2012 Aug. 01.51 UT: m1=9.2, Dia.=2′, DC=4; 20cm reflector f/5 (30x); Man-To Hui (Luogang, Canton, China) [elongated appearance in averted vision; city light pollution and strong moonlight; fast motion evidently seen in the observation. LM~10.5 in the FOV]
2012 Jul. 23.84 UT: m1=8.1, Dia.=1.5′, DC=5; 20.3cm L f:6 (63x); Piotr Guzik (Szklary, Poland) [Altitude: 6 deg. Comparison stars at the same altitude. Method=M; Cat=TK]
2012 Jul. 22.84 UT: m1=7.8, Dia.=1.5′, DC=6; 20.3cm L f:6 (63x); Piotr Guzik (Krosno, Poland) [Altitude: 6 deg. Comparison stars at the same altitude. Coma slightly elongated in PA ~60. Method=M; Cat=TK]
2012 Jul. 20.27 UT: m1=9.5, DC=5; Visual Aperture 4″; Jean-François Viens (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada)
2012 Jun. 30.37 UT: m1=9.6 (S), Dia.=2′, DC=4; 22cm L (160x); Marco Goiato (Araçatuba, Brasil) [nautical twilight, sun altitude: -13°, comet altitude: 11°]
2012 Jun. 24.78 UT: m1=13.3, Dia.=0.5’, DC=2; 25cm L f:5 (156x); Chris Wyatt (Walcha, NSW, Australia) [No tail, very faint and diffuse, small coma, barely noticeable central condensation, motion checked over a 30 minute period. Extinction applied. Method= S; Cat= AQ]
2012 Jun. 17.36 UT: m1=12.1: (S), Dia.=1′, DC=5; 22cm L (160x); Marco Goiato (Araçatuba, Brasil) [transition between astronomical and nautical twilight, comet altitude: 24°]

94P/Russell
2010 Jun. 16.22 UT: m1=17.3 ccd, Dia.=0.2′; 35.5 cm reflector + CCD; Artyom Novichonok & Dimitry Chestnov ( remotely Mayhill, USA )
2010 Jun. 13.23 UT: m1=18.2 ccd, Dia.=0.25′, DC=8/; 36cm L f/3.8 +CCD; Sergey Shurpakov (Baran’, Belarus)
2010 May. 04.26 UT: m1=16.6 ccd, Dia.=0.3′, Tail=0.3′; 35.5 cm L +CCD; Artyom Novichonok & Dimitry Chestnov (remotely Mayhill, USA)
2010 Feb. 06.41 UT: m1=16.8 ccd, Dia.=0.25′, DC=8; 0.36-m f/3.8 reflector + CCD; Sergey Shurpakov (Baran’, Belarus)

88P/Howell
2015 Nov. 11.93 UT: m1=14.0, Dia.=0.8′, DC=3; 60.3-cm L (305x); Sandor Szabo (Sopron, Hungary)
2015 Nov. 02.77 UT: m1=12.5, DC=1; 32.0-cm L f/5 (120x); Uwe Pilz (Leipzig, Germany)
2015 Sep. 21.73 UT: m1=13.2, Dia.=1.3′, DC=2; 40.0-cm L f/4.5 (144x); Seiichi Yoshida (Gunma, Japan)
2015 Sep. 17.97 UT: m1=12.7, Dia.=1.0′, DC=2, Tail= 0.02 deg. PA: 153 deg.; 32.0-cm L f/5 (96x); Uwe Pilz (Leipzig, Germany)
2015 Sep. 12.94 UT: m1=12.2, Dia.=2.2′, DC=2; 50.8-cm L (189x); Sandor Szabo (Sopron, Hungary)
2015 Sep. 08.05 UT: m1=11.7, Dia.=2′, DC=1/; 20-cm SCT (100x); Juan José González (Alto del Castro, alt. 1720 m, León, España)
2015 Aug. 22.66 UT: m1=12.6 CCD, Dia.=2.2′, Tail=5.2′ in PA: 254 deg.; [T31] 0.50-m f/6.8 astrograph + CCD + focal reducer; A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely from Siding Spring, Australia)
2015 Aug. 21.07 UT: m1=11.4, Dia.=2.0′, DC=s2, Tail= — PA: 27 deg.; 32.0-cm L f/5 (120x); Uwe Pilz (Leipzig, Germany)
2015 Aug. 19.12 UT: m1=10.8, Dia.=3′, DC=2; 20-cm SCT (77x); Juan José González (Cueto Rosales, alt. 1420 m, León, España)
2015 Aug. 17.81 UT: m1=16.0 CCD, Dia.=0.3′, Tail=1.4′ in PA: 249 deg.; [T31] 0.50-m f/6.8 astrograph + CCD + focal reducer; A. Novichonok & T. Prystavski (iTelescope observatory, Q62 Remotely from Siding Spring, Australia)
2015 Aug. 16.97 UT: m1=13.9: CCD, Dia.=&0.9′, Tail=&2.3′ in PA: 253 deg.; 0.07-m f/6 refractor + CCD; A. Novichonok, K. Nezgovorov & T. Prystavski (Petrozavodsk State University Observatory, C30 Sheltozero Stn., Russia)
2015 Aug. 16.05 UT: m1=10.8, Dia.=2.5′, DC=2, no cola; 20-cm B (50x); Carlos Labordena (Castellón, España)
2015 Aug. 15.03 UT: m1=13.4, Dia.=1.3′, DC=2; 60.3-cm L (187x); Sandor Szabo (Sopron, Hungary) [Very diffuse]
2015 Aug. 14.06 UT: m1=[11.5, Dia.=1.7′, NEGATIVE; 7.6-cm f/4 L (38x); Marek Biely (Brno, Czech Republic) [Not visible. Fainter than 11.5 mag.]
2015 Aug. 09.03 UT: m1=10.4, Dia.=3′, DC=2/; 20-cm SCT (77x); Juan José González (Cueto Rosales, alt. 1420 m, León, España)
2015 Aug. 08.23 UT: m1=11.6, Dia.=1.5′, DC=3; 22-cm L (160x); Marco Antonio Coelho Goiato (Araçatuba, Brazil)
2015 July 20.83 UT: m1=11.0: CCD, Dia.=&4.5′ Tail=&16′ in PA: 248 deg.; [T12] 0.11m f/5.0 refractor + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, Q62 (remotely from Siding Spring, Australia)
2015 July 19.00 UT: m1=10.9, Dia.=0.7′, DC=5; 60.3 cm L (187x); Sandor Szabo (Sopron, Hungary)
2015 July 14.11 UT: m1=9.6, Dia.=3′, DC=3; 20-cm SCT (77x); Juan José González (Santiago Millás, alt. 930 m, León, España)
2015 July 12.01 UT: m1=10.5, Dia.=3.8′, DC=2; 25-cm L (92x); Gábor Sánta (Zlatibor, Serbia)
2015 June 27.76 UT: m1=9.7, Dia.=2.9’, DC=3; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Coma enhances using Swan Band filter. Coma diffuse, transparent with slightly more condensed and opaque central condensation. No tail]
2015 June 22.79 UT: m1=10.8, Dia.=2.5′, DC=2; 40.6-cm L f/4 (76x); Paul Camilleri (Warners Bay, Australia)
2015 June 22.77 UT: m1=10.4, Dia.=4.0’, DC=4; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Coma enhances moderately using Swan Band filter; Coma large and diffuse, broad opaque inner coma, pale aqua-blue in colour]
2015 June 21.81 UT: m1=11.0, Dia.=2.5′, DC=2; 40.6-cm L f/4 (76x); Paul Camilleri (Warners Bay, Australia)
2015 June 17.80 UT: m1=10.7, Dia.=3.0′, DC=2/; 40.6-cm L f/4 (76x); Paul Camilleri (Warners Bay, Australia)
2015 June 14.81 UT: m1=10.8, Dia.=2.8′, DC=2/; 40.6-cm L f/4 (76x); Paul Camilleri (Warners Bay, Australia)
2015 June 13.82 UT: m1=10.6: CCD Dia.=&4.2′ Tail=&15.9′ in PA: 244 deg.; [T31] 0.50-m f/6.8 astrograph + CCD + focal reducer; A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely from Siding Spring, Australia)
2015 June 13.31 UT: m1=11.0, Dia.=2′, DC=3; 22-cm L (160x); Marco Antonio Coelho Goiato (Araçatuba, Brazil) [Great enhancement with Swan band filter]
2015 June 08.80 UT: m1=10.5, Dia.=3.0′, DC=2; 40.6-cm L f/4 (76x); Paul Camilleri (Warners Bay, Australia)
2015 June 06.81 UT: m1=10.3, Dia.=2.5′, DC=2; 40.6-cm L f/4 (76x); Paul Camilleri (Warners Bay, Australia)
2015 June 05.77 UT: m1=10.5, Dia.=2.5′, DC=2; 40.6-cm L f/4 (76x); Paul Camilleri (Warners Bay, Australia)
2015 June 04.76 UT: m1=10.4, Dia.=2.6’, DC=3; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Moonlight; Difficult due to diffuseness and size, coma enhances in Swan Band filter, opaque centre, slightly brighter and more condensed than edges although weakly formed]
2015 June 03.78 UT: m1=10.0, Dia.=2.5′, DC=2; 40.6-cm L f/4 (76x); Paul Camilleri (Warners Bay, Australia)
2015 June 02.76 UT: m1=10.2, Dia.=3.0′, DC=2; 40.6-cm L f/4 (76x); Paul Camilleri (Warners Bay, Australia)
2015 June 01.80 UT: m1=10.1, Dia.=3.0′, DC=2; 40.6-cm L f/4 (76x); Paul Camilleri (Warners Bay, Australia)
2015 May  31.78 UT: m1=10.2, Dia.=3.0′, DC=2/; 40.6-cm L f/4 (76x); Paul Camilleri (Warners Bay, Australia)
2015 May  25.79 UT: m1=10.3, Dia.=3.5′, DC=2; 40.6-cm L f/4 (76x); Paul Camilleri (Warners Bay, Australia)
2015 May  24.35 UT: m1=9.9, Dia.=3′, DC=4/; 22-cm L (60x); Marco Antonio Coelho Goiato (Araçatuba, Brazil) [Enhances with Swan band filter]
2015 May  14.75 UT: m1=9.8, Dia.=3.5’, DC=5/; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Coma enhances in Swan Band filter. Diffuse hut opaque outer coma, round in appearance, moderately condensed inner coma almost faintly stellar in centre, pale aqua-blue in colour]
2015 May  13.78 UT: m1=10.3, Dia.=3.0′, DC=2/; 40.6-cm L f/4 (76x); Paul Camilleri (Warners Bay, Australia)
2015 May  12.78 UT: m1=10.0, Dia.=3.0′, DC=3; 40.6-cm L f/4 (76x); Paul Camilleri (Warners Bay, Australia)
2015 May  11.78 UT: m1=10.0, Dia.=3.0′, DC=3; 40.6-cm L f/4 (76x); Paul Camilleri (Warners Bay, Australia)
2015 May  11.36 UT: m1=10.0:; 18-cm L (57x); Alexandre Amorim (Florianopolis, Brazil)
2015 May  10.77 UT: m1=10.1, Dia.=3.0, DC=3; 40.6cm L f/4 (76x); Paul Camilleri (Warners Bay, NSW, Australia)
2015 May  09.78 UT: m1=10.0, Dia.=3.5′, DC=3; 40.6cm L f/4 (76x); Paul Camilleri (Warners Bay, NSW, Australia)
2015 May  08.79 UT: m1=10.0, Dia.=4.0′, DC=3; 40.6cm L f/4 (76x); Paul Camilleri (Warners Bay, NSW, Australia)
2015 May  08.76 UT: m1=9.6, Dia.=4.5’, DC=3/; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Moonlight; Diffuse outer coma, slightly brighter inner coma but weakly condensed. Enhances in Swan Band filter]
2015 May  07.78 UT: m1=9.8, Dia.=3.0, DC=3; 40.6cm L f/4 (76x); Paul Camilleri (Warners Bay, NSW, Australia)
2015 May  06.76 UT: m1=9.8, Dia.=3’, DC=3; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Moonlight; Outer coma appears like a diffuse patch, inner coma weakly condensed; No tail. Enhances in Swan Band filter]
2015 May  05.76 UT: m1=9.8, Dia.=3.0, DC=3; 40.6cm L f/4 (76x); Paul Camilleri (Warners Bay, NSW, Australia)
2015 May  05.74 UT: m1=9.9, Dia.=2.8’, DC=2/; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Moonlight; Coma diffuse with slightly brighter centre, moderately condensed, enhances well in Swan Band filter]
2015 May  02.78 UT: m1=10.2, Dia.=1.2′, DC=2/; 40.0cm L f/4.5 (144x); Seiichi Yoshida (Gunma, Japan)
2015 May  01.34 UT: m1=9.4, Dia.=2.5′, DC=3; 18cm L (57x); Alexandre Amorim (Florianopolis, Brazil)
2015 May  01.31 UT: m1=9.3, Dia.=4′, DC=4; 10 B (20X); Marco Antonio Coelho Goiato (Araçatuba, Brazil)
2015 Apr. 27.73 UT: m1=9.4, Dia.=3.1’, DC=4; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [No tail; Coma enhances moderately in Swan Band filter, shows a diffuse outer coma, brighter inner coma with moderately condensed centre]
2015 Apr. 27.36 UT: m1=9.3, Dia.=2′, DC=3; 18cm L (57x); Alexandre Amorim (Florianopolis, Brazil)
2015 Abr. 26.76 UT: m1=9.2, Dia.=3.8, DC=4; 40.6cm L f/4 (76x); Paul Camilleri (Warners Bay, NSW, Australia)
2015 Abr. 25.76 UT: m1=9.3, Dia.=3.5′, DC=3/; 40.6cm L f/4 (76x); Paul Camilleri (Warners Bay, NSW, Australia)
2015 Apr. 25.33 UT: m1=9.4, Dia.=3′, DC=3; 18cm L (57x); Alexandre Amorim (Florianopolis, Brazil)
2015 Apr. 24.81 UT: m1=9.8: CCD, Dia.=&5.3′, Tail=&15.5′ in PA 245 deg; [T12]0.11m f/5.0 refractor + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely from Siding Spring, Australia))
2015 Abr. 23.78 UT: m1=9.0, Dia.=4.0′, DC=2; 40.6cm L f/4 (76x); Paul Camilleri (Warners Bay, NSW, Australia)
2015 Apr. 22.33 UT: m1=9.2, Dia.=4′, DC=4; 10 B (20X); Marco Antonio Coelho Goiato (Araçatuba, Brazil)
2015 Apr. 21.34 UT: m1=9.2, Dia.=5′, DC=4; 10 B (20X); Marco Antonio Coelho Goiato (Araçatuba, Brazil) [clouds]
2015 Apr. 21.33 UT: m1=9.3, Dia.=5′, DC=4/; 22-cm L (60x); Marco Antonio Coelho Goiato (Araçatuba, Brazil) [clouds]
2015 Apr. 19.80 UT: m1=9.3, Dia.=4′, DC=3/; 25×100 B; Michael Mattiazzo (Swan Hill, Victoria, Australia) [Tycho 2 VT magnitude comparisons. Sidgwick method]
2015 Abr. 15.78 UT: m1=9.0, Dia.=2.5′, DC=2/; 40.6cm L f/4 (76x); Paul Camilleri (Warners Bay, NSW, Australia)
2015 Apr. 15.75 UT: m1=9.3, Dia.=3.4’, DC=4; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Moonlight; Enhances well in Swan Band filter. Faint background star in coma (mag 11.8, 0.9’ away in PA 036°). Coma pale aqua-blue in colour]
2015 Apr. 12.33 UT: m1=9.3, Dia.=3.5′, DC=4; 22-cm L (60x); Marco Antonio Coelho Goiato (Araçatuba, Brazil) [Moonlight, slightly enhanced with Swan band filter]
2015 Apr. 12.32 UT: m1=9.5, Dia.=2′, DC=3; 18cm L (57x); Alexandre Amorim (Florianopolis, Brazil) [moonlight interference]
2015 Apr. 11.33 UT: m1=9.5, Dia.=1′, DC=4; 18cm L (57x); Alexandre Amorim (Florianopolis, Brazil) [moonlight interference]
2015 Apr. 10.34 UT: m1=9.2:, Dia.=1′, DC=4; 18cm L (57x); Alexandre Amorim (Florianopolis, Brazil) [moonlight interference]
2015 Apr. 09.73 UT: m1=9.8, Dia.=3.2’, DC=3/; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Moonlight; Coma diffuse with a weak but definite brightening to centre. Enhances in Swan Band filter]
2015 Apr. 09.35 UT: m1=9.0, Dia.=2′, DC=4; 18cm L (45x); Alexandre Amorim (Florianopolis, Brazil) [moonlight interference]
2015 Apr. 08.72 UT: m1=9.6, Dia.=2.7’, DC=3; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Moonlight; No tail, coma diffuse with slightly brighter centre, weakly condensed, enhances in Swan Band filter]
2015 Apr. 08.33 UT: m1=9.0, Dia.=2′, DC=4; 18cm L (45x); Alexandre Amorim (Florianopolis, Brazil) [moonlight interference]
2015 Apr. 07.15 UT: m1=10.2 CCD, Dia.=3′, DC=3; Digital reflex + 0,3m lens; Giuseppe Pappa (Sicily, Italy) [only 7° above the horizon during the nautical dawn]
2015 Apr. 03.31 UT: m1=8.8, Dia.=4′, DC=4; 22-cm L (60x); Marco Antonio Coelho Goiato (Araçatuba, Brazil) [ Moonlight, clouds ]
2015 Apr. 01.80 UT: m1=10.7: CCD Dia.=&2.0′, Tail=&5.9′ in PA 255 deg; [T31] 0.50-m f/6.8 astrograph + CCD + focal reducer; A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely from Siding Spring, Australia) [Morning twilight]
2015 Mar. 29.31 UT: m1=8.9, Dia.=5′, DC=4; 10 B (20X); Marco Antonio Coelho Goiato (Araçatuba, Brazil)
2015 Mar. 27.72 UT: m1=9.8, Dia.=3.5’, DC=3/; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Coma appears slightly elongated to NW, moderately condensed. At x83 a background star in coma present (13.5 mag – UCAC 3); No tail. Low altitude = 12.4°]
2015 Mar. 26.74 UT: m1=9.1, Dia.=2′; 25×100 B; David A. J. Seargent (Cowra, NSW, Australia) [Comet enhanced through Swan Band filter]
2015 Mar. 26.33 UT: m1=8.8, Dia.=2′, DC=3; 18cm L (45x); Alexandre Amorim (Florianopolis, Brazil)
2015 Mar. 25.38 UT: m1=10.2, Dia.=3.7′, DC=3/; 25cm L f/4.5 (40x); Gonzalo Vargas B. (Cochabamba, Bolivia)
2015 Mar. 25.32 UT: m1=8.8, Dia=2′, DC=2; 18cm L (45x); Alexandre Amorim (Florianopolis, Brazil)
2015 Mar. 22.31 UT: m1=9.5, Dia.=3′, DC=4/; 22-cm L (60x); Marco Antonio Coelho Goiato (Araçatuba, Brazil) [Better visualization with Swan band filter]
2015 Mar. 19.32 UT: m1=9.5:, DC=1/; 18cm L (57x); Alexandre Amorim (Florianopolis, Brazil)
2015 Mar. 02.77 UT: m1=10.7: CCD Dia.=&3.5′, Tail=&6.9′ in PA 258 deg; [T31] 0.50-m f/6.8 astrograph + CCD + focal reducer; A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely from Siding Spring, Australia)
2015 Mar. 01.33 UT: m1=10.5, Dia.=2.5′, DC=4;  22-cm L (60x); Marco Antonio Coelho Goiato (Araçatuba, Brazil)
2015 Feb. 22.30 UT: m1=10.8, Dia.=2′, DC=3; 22cm L (160x); Marco Antonio Coelho Goiato (Araçatuba, Brazil)
2015 Jan. 30.77 UT: m1=12.8 CCD, Dia.=1.1′; [T31] 0.50-m f/6.8 astrograph + CCD + focal reducer; A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely from Siding Spring, Australia)
2015 Jan. 25.77 UT: m1=12.9: CCD, Dia.=&0.9′; [T31] 0.50-m f/6.8 astrograph + CCD + focal reducer; A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely from Siding Spring, Australia)
2015 Jan. 24.73 UT: m1=12.7, Dia.=0.8’, DC=2; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Very small and diffuse, no tail]
2014 Apr. 26.90 UT: m1=18.1 CCD, Dia.=0.3′; 0.7-m f/4.0 reflector + CCD; S. Nazarov & T. Prystavski (Crimean Astrophysical Observatory, MPC 095, Crimea-Nauchnij)
2010 Feb. 11.79 UT: m1=12.1, Dia.=90″, DC=3, no cola; 23.5cm SCT (94x); Carlos Labordena (Castellón, España)
2010 Feb. 02.79 UT: m1=12.0, Dia.=1.5′, DC=4; 20cm SCT (133x); Juan José González (Camposagrado, alt. 1135 m, León, España) [Luz zodiacal light. Altura sobre el horizonte: 15º]
2009 Dez. 20.969 UT: m1=9.7:, Dia.=3′, DC=4; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil) [Luar]
2009 Dez. 18.969 UT: m1=9.6, Dia.=4′, DC=4/; 22cm L f:6.5 (60x); Marco Goiato (Araçatuba, Brasil)
2009 Dez. 17.969 UT: m1=9.6, Dia.=5′, DC=5; 22cm L f:6.5 (60x); Marco Goiato (Araçatuba, Brasil)
2009 Dic. 11.75 UT: m1=9.1, Dia.=4′, DC=4, no cola; 23.5cm SCT (67x); Carlos Labordena (Castellón, España)
2009 Dec. 04.78 UT: m1=8.6, Dia.=6′, DC=4/; 20cm SCT (77x); Juan José González (Camposagrado, alt. 1110 m, León, España) [Altura: 14º]
2009 Dez. 02.958 UT: m1=9.7:, Dia.=3′, DC=4; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil) [Luar e nuvens]
2009 Nov. 18.78 UT: m1=8.4, Dia.=7′, DC=3/; 20cm SCT (77x); Juan José González (Pico Cueto – Busfrío – Cudillero, alt. 770 m, Asturias, España) [Amplia y elongada coma con débil región exterior.  Altura sobre el horizonte: 12º]
2009 Nov. 13.979 UT: m1=9.4, Dia.=4′, DC=5; 22cm L f:6.5 (60x); Marco Goiato (Araçatuba, Brasil)
2009 Nov. 12.979 UT: m1=9.4, Dia.=3′, DC=4; 22cm L f:6.5 (60x); Marco Goiato (Araçatuba, Brasil)
2009 Nov. 05.94 UT: m1=9.0, Dia.=5, DC=5/; 25×100 B; José G. de Souza Aguiar (Campinas, Brasil)
2009 Nov. 04.979 UT: m1=9.1, Dia.=4′, DC=4; 20×100 B; Marco Goiato (Araçatuba, Brasil)
2009 Nov. 04.93 UT: m1=9.0, Dia.=5, DC=5/; 25×100 B; José G. de Souza Aguiar (Campinas, Brasil)
2009 Nov. 03.958 UT: m1=9.2, Dia.=4′, DC=4/; 22cm L f:6.5 (60x); Marco Goiato (Araçatuba, Brasil)
2009 Nov. 03.94 UT: m1=8.9, Dia.=5, DC=6; 25×100 B; José G. de Souza Aguiar (Campinas, Brasil)
2009 Nov. 02.92 UT: m1=8.7, Dia.=5, DC=6; 25×100 B; José G. de Souza Aguiar (Campinas, Brasil)
2009 Nov. 01.93 UT: m1=9.0, Dia.=6, DC=5/; 25×100 B; José G. de Souza Aguiar (Campinas, Brasil)
2009 Out. 29.937 UT: m1=8.8, Dia.=4′, DC=5/; 22cm L f:6.5 (60x); Marco Goiato (Araçatuba, Brasil) [Luar]
2009 Oct. 29.92 UT: m1=8.6, Dia.=6, DC=4/; 25×100 B; José G. de Souza Aguiar (Campinas, Brasil)
2009 Oct. 28.92 UT: m1=8.5, Dia.=6, DC=5; 25×100 B; José G. de Souza Aguiar (Campinas, Brasil)
2009 Oct. 24.92 UT: m1=8.4, Dia.=7, DC=5; 25×100 B; José G. de Souza Aguiar (Campinas, Brasil)
2009 Out. 23.937 UT: m1=8.6, Dia.=5′, DC=5/; 22cm L f:6.5 (60x); Marco Goiato (Araçatuba, Brasil) [IL]
2009 Oct. 21.93 UT: m1=8.4, Dia.=6, DC=4/; 25×100 B; José G. de Souza Aguiar (Campinas, Brasil)
2009 Out. 20.979 UT: m1=8.4, Dia.=7′, DC=4/; 20×100 B; Marco Goiato (Araçatuba, Brasil)
2009 Out. 18.937 UT: m1=8.6, Dia.=5′, DC=5; 22cm L f:6.5 (60x); Marco Goiato (Araçatuba, Brasil) [ Nuvens ]
2009 Oct. 16.92 UT: m1=8.6, Dia.=5, DC=4/; 25×100 B; José G. de Souza Aguiar (Campinas, Brasil)
2009 Out. 15.958 UT: m1=8.6, Dia.=6′, DC=4/; 20x100B; Marco Goiato (Araçatuba, Brasil) [Nuvens]
2009 Oct. 15.92 UT: m1=8.6, Dia.=5, DC=4/; 25×100 B; José G. de Souza Aguiar (Campinas, Brasil)
2009 Out. 14.937 UT: m1=8.5, Dia.=7′, DC=5; 20×100 B; Marco Goiato (Araçatuba, Brasil)
2009 Out. 13.937 UT: m1=8.5, Dia.=7′, DC=5; 20×100 B; Marco Goiato (Araçatuba, Brasil)
2009 Oct. 13.93 UT: m1=8.6, Dia.=3′, DC=4; 7.6cm L (75x); Alexandre Amorim (Florianopolis, Brasil)
2009 Oct. 13.92 UT: m1=8.5, Dia.=5, DC=4/; 25×100 B; José G. de Souza Aguiar (Campinas, Brasil)
2009 Oct. 12.92 UT: m1=8.5, Dia.=5, DC=4/; 25×100 B; José G. de Souza Aguiar (Campinas, Brasil)
2009 Out. 11.937 UT: m1=8.5, Dia.=7′, DC=5; 20×100 B; Marco Goiato (Araçatuba, Brasil)
2009 Oct. 11.79 UT: m1=8.6, Dia.=4′, DC=4; 20 cm SCT (77x); Juan José González (Alto del Castro, alt. 1720 m, León, España) [Coma elongada. Crepúsculo astronómico. Altura: 10º]
2009 Out. 10.958 UT: m1=8.6, Dia.=7′, DC=5; 20×100 B; Marco Goiato (Araçatuba, Brasil)
2009 Oct. 10.92 UT: m1=8.6, Dia.=5, DC=5; 25×100 B; José G. de Souza Aguiar (Campinas, Brasil)
2009 Out. 09.979 UT: m1=8.6, Dia.=8′, DC=4/; 20×100 B; Marco Goiato (Araçatuba, Brasil)
2009 Oct. 09.92 UT: m1=8.6, Dia.=5, DC=5/; 25×100 B; José G. de Souza Aguiar (Campinas, Brasil)
2009 Out. 06.937 UT: m1=8.6, Dia.=8′, DC=5; 20×100 B; Marco Goiato (Araçatuba, Brasil)
2009 Oct. 05.92 UT: m1=8.7, Dia.=6, DC=5/; 25×100 B; José G. de Souza Aguiar (Campinas, Brasil)
2009 Oct. 04.93 UT: m1=8.7, Dia.=5, DC=5/; 25×100 B; José G. de Souza Aguiar (Campinas, Brasil)
2009 Out. 03.927 UT: m1=8.8, Dia.=4′, DC=4 ; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil) [Luar; estável]
2009 Sep. 30.92 UT: m1=8.9, Dia.=3, DC=5; 25×100 B; José G. de Souza Aguiar (Campinas, Brasil)
2009 Set. 27.948 UT: m1=8.7, Dia.=6′, DC=3/; 20x100B; Marco Goiato (Araçatuba, Brasil) [Luar]
2009 Sep. 25.93 UT: m1=9.0, Dia.=2′, DC=5; 7.6cm L (75x); Alexandre Amorim (Florianopolis, Brasil) [moonlight]
2009 Set. 25.937 UT: m1=8.8, Dia.=6′, DC=3/; 20x100B; Marco Goiato (Araçatuba, Brasil) [Luar]
2009 Set. 24.937 UT: m1=8.8, Dia.=6′, DC=3/; 20x100B; Marco Goiato (Araçatuba, Brasil) [Luar]
2009 Sep. 22.83 UT: m1=8.6, Dia.=6′, DC=3, Cola: 0.1º en AP 110º; 20 cm SCT (77x); Juan José González (Alto del Castro, alt. 1720 m, León, España) [Fin del crepúsculo astronómico. Altura: 7º]
2009 Sep. 20.41 UT: m1=8.9, Dia.=3.1′, DC=4; 40.0cm L f/4.5 (75x); Seiichi Yoshida (Gunma, Japan)
2009 Sep. 22.098 UT: m1=11.5, Dia.=4.0′, DC=2; 15cm SCT (37x); Salvador Aguirre (Hillo, Sonora, México)
2009 Sep. 18.40 UT: m1=9.0, Dia.=5′; 25×100 B; David A. J. Seargent (Cowra, NSW, Australia) [Similar or slightly clearer in Swan band filter]
2009 Set. 17.937 UT: m1=9.2, Dia.=5′, DC=4; 20X100 B; Marco Goiato (Araçatuba, Brasil)
2009 Set. 15.937 UT: m1=9.2, Dia.=5′, DC=4/; 20X100 B; Marco Goiato (Araçatuba, Brasil)
2009 Sep. 14.83 UT: m1=9.2, Dia.=5′, DC=4; 20 cm SCT (77x); (Alto del Trichero – Soto y Amío, alt. 1190 m, León, España) [Coma elongada en AP 110º. Fin del crepúsculo astronómico. Altura sobre el horizonte: 8º]
2009 Set. 13.937 UT: m1=9.3, Dia.=4′, DC=4; 20X100B; Marco Goiato (Araçatuba, Brasil)
2009 Set. 12.948 UT: m1=9.4, Dia.=4′, DC=5; 22cm L f:6.5 (60x); Marco Goiato (Araçatuba, Brasil)
2009 Set. 11.937 UT: m1=9.3, Dia.=5′, DC=5/; 22cm L f:6.5 (60x); Marco Goiato (Araçatuba, Brasil)
2009 Ago. 21.85 UT: m1=10.2, Dia.=3′, DC=3; 23.5cm SCT (67x); Carlos Labordena (Castellón, España)
2009 Ago. 22.937 UT: m1=10.4, Dia.=3′, DC=5; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2009 Aug. 16.39 UT: m1=9.9, Dia.=3.5’, DC=4; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [No tail, background star in coma. Comp Star= TYC 5560-4-1; Method= S; Cat= TJ]
2009 Aug. 15.42 UT: m1=10.2, Dia.=5’, DC=4; 20cm T f:10 (63x); Chris Wyatt (Walcha, NSW, Australia) [No tail. Comp Star= TYC 5559-1052-1; Method= S; Cat= TJ]
2009 Aug. 14.40 UT: m1=9.4, Dia.=9.5’, DC=4; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [No tail, coma large and diffuse, interference by zodiacal light. Comp Star= TYC 5556-699-1; Method= S; Cat= TJ]
2009 Aug. 11.40 UT: m1=8.9, Dia.=6′; 25.4cm L (71x); David A. J. Seargent (Cowra, NSW, Australia)

84P/Giclas
2014 Jan. 29.48 UT: m1=16.9 CCD, Dia.=0.3′; 0.32-m f/7.4 Ritchey-Chretien + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, Q62. Remotely Siding Spring, Australia)
2013 Dec. 30.54 UT: m1=15.4 CCD, Dia.=0.5′ Tail=0.4′ in PA 312 deg; [T9] 0.32-m f/7.4 Ritchey-Chretien + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, Q62, remotely Siding Spring, Australia)
2013 Nov. 08.04 UT: m1=[15.8, NEGATIVE; 50.8cm L (307x); Sandor Szabo (Sieggraben, Austria) [Fainter than 15.8 mag]
2013 Oct. 01.74 UT: m1=16.8 CCD, Dia.=0.21′, Tail=0.2′ in PA: 267 deg.; 0.32-m f/7.4 Ritchey-Chretien + CCD; A. Novichonok & T.Prystavski (iTelescope observatory, Q62. Remotely Siding Spring, Australia)
2013 Aug. 20.02 UT: m1=17.4 CCD, Dia.=0.20′, Tail=0.3′ in PA 259 deg.; 0.40-m f/8 Ritchey-Chretien + CCD; V.Gerke & T.Prystavski (Ka-Dar observatory, TAU station C32, remotely Nizhniy Arkhyz, Russia)

81P/Wild 2
2016 July 31.37 UT: m1=11.1, Dia.=2.6’, DC=2/; 25-cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Coma diffuse, slight brightening to centre, weakly condensed. Does not enhance in Swan Band filter. No tail; Zodiacal light interference; Low altitude = 12.9°]
2016 July 28.35 UT: m1=11.2, Dia.=3.7’, DC=2/; 25-cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Outer coma transparent and diffuse, slight brightening to centre. Low altitude = 17.5°, zodiacal light interference]
2016 July 25.35 UT: m1=10.9, Dia.=2.5’, DC=3; 25-cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Coma enhances slight using Swan Band filter. No tail. Coma diffuse with slight brightening to centre. Low altitude = 17.9°; Zodiacal light interference]
2016 July 23.35 UT: m1=11.3, Dia.=2.7’, DC=3; 25-cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Coma very diffuse with slightly brighter central condensation but weakly condensed. Enhances slightly in Swan Band filter. Low altitude = 17.7°; zodiacal light interference. Very windy conditions]
2016 July 02.91 UT: m1=8.1, Dia.=9′, DC=2; 20-cm SCT (77x); Juan José González (Alto del Castro – Aralla, alt. 1720 m, León, España) [Crepúsculo astronómico. Muy baja altura sobre el horizonte : 6º. Estrellas de comparación a la misma altura que el cometa. Cielo muy claro de montaña]
2016 July 02.35 UT: m1=11.2, Dia.=2’, DC=3; 25-cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Inner coma enhances in Swan Band filter. Coma slightly elongated to the East. Outer coma diffuse, brightening to an opaque and moderately condensed centre, pale aqua-blue in colour. Slight interference by zodiacal light; Altitude = 19°. No tail]
2016 June 27.92 UT: m1=8.2, Dia.=8′, DC=2/; 20-cm SCT (77x); Juan José González ( Alto del Castro – Aralla, alt. 1720 m, León, España) [Crepúsculo astronómico. Muy baja altura sobre el horizonte : 6º. Estrellas de comparación a la misma altura que el cometa. Cielo muy claro de montaña]
2016 June 04.92 UT: m1=11.1, Dia.=4′, DC=2, no cola; 20-cm SCT (80x); Carlos Labordena (Castellón, España)
2016 May  31.92 UT: m1=10.2, Dia.=6′, DC=2; 20-cm SCT (77x); Juan José González (Alto del Castro – Aralla, alt. 1720 m, León, España)
2016 May  06.37 UT: m1=12.0, Dia.=1.2′, DC=3; 40.6-cm L (165x); Paul Camilleri (Warners Bay, Australia)
2016 May  04.49 UT: m1=12.0, Dia.=1.0′, DC=3; 40.0-cm L f/4.5 (144x); Seiichi Yoshida (Gunma, Japan)
2016 May  04.37 UT: m1=12.1, Dia.=1.4’, DC=4; 25-cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma shows brightening to centre, moderately condensed. Outer coma transparent, close to mag 13.3 star. Does not enhance in Swan Band filter. No tail. Faintly visible at x39. Slight interference by zodiacal light]
2016 May  03.78 UT: m1=13.0 CCD, Dia.=1′, DC=4; 20-cm L+CCD; Danil Sidorko (Korenovsk, Russia)
2016 May  02.86 UT: m1=12.0, Dia.=1.3′, DC=1; 30.5-cm L f/4.9 (120x); J. P. Navarro Pina (Mula, Murcia, Spain)
2016 May  02.46 UT: m1=11.6, Dia.=1.9′, DC=2/; 40.0-cm L f/4.5 (144x); Seiichi Yoshida (Gunma, Japan)
2016 May  01.50 UT: m1=11.9, Dia.=1.2′, DC=3; 40.0-cm L f/4.5 (144x); Seiichi Yoshida (Gunma, Japan)
2016 Apr. 29.76 UT: m1=12.1, Dia.=1.4′, DC=3/; 25.5-cm L (120x); Danil Sidorko (Korenovsk, Russia)
2016 Apr. 29.75 UT: m1=12.3, Dia.=1.7′, DC=5; 40.0-cm L (138x); Sandor Szabo (Hakos, Namibia)
2016 Apr. 28.80 UT: m1=13.3 CCD, Dia.=0.46′, DC=7; 15-cm L+CCD; Sergey Shurpakov (Baran’, Belarus)
2016 Apr. 28.76 UT: m1=12.2, Dia.=1.5′, DC=3/; 25.5-cm L (120x); Danil Sidorko (Korenovsk, Russia)
2016 Apr. 23.81 UT: m1=13.4 CCD, Dia.=0.56′, DC=7; 15-cm L; Sergey Shurpakov (Baran’, Belarus)
2016 Apr. 16.78 UT: m1=13.8 CCD, Dia.=0.37′, DC=8; 15-cm L; Sergey Shurpakov (Baran’, Belarus)
2016 Apr. 09.52 UT: m1=11.7, Dia.=1.3′, DC=2; 40.0-cm L f/4.5 (144x); Seiichi Yoshida (Ibaraki, Japan)
2016 Mar. 31.39 UT: m1=12.5, Dia.=1.3’, DC=2/; 25-cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma diffuse, slight brightening to centre, faint background stars in coma. Does not enhance in Swan Band filter]
2016 Mar. 22.46 UT: m1=[12.5; 40.0-cm L f/4.5 (257x); Seiichi Yoshida (Ibaraki, Japan)
2016 Mar. 20.80 UT: m1=13.2 DSLR, Dia.=1′; 1100d+300mm lens; Giuseppe Pappa (Sicily, Italy)
2016 Mar. 09.91 UT: m1=12.1, Dia.=1.0′, DC=3; 30.5-cm L f/4.9 (97x); J. P. Navarro Pina (El Ardal Mula, Murcia, Spain)
2016 Mar. 03.46 UT: m1=13.0, Dia.=0.7′, DC=3; 40.6-cm L f/4 (260x); Paul Camilleri (Warners Bay, Australia)
2016 Feb. 29.86 UT: m1=12.7, Dia.=1.1′, DC=5; 20-cm SCT (100x); Juan José González (Pandorado, alt. 1190 m, León, España) [Estrellas de comparación de la fotometría APASS cercana al cometa. Estrellas de campo comprobadas en el DSS]
2016 Feb. 29.45 UT: m1=13.3, Dia.=0.8’, DC=3; 25-cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Circular coma, very diffuse with an opaque centre fading to semi-transparent outer edges; slight interference by zodiacal light. No tail. Close to mag 13.3 star 0.6’ away in P.A. 020°; does not enhance in Swan Band filter]
2016 Jan. 30.46 UT: m1=13.8, Dia.=1’, DC=3; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Does not enhance in Swan Band filter, coma small and very diffuse with slight brightening to centre, no tail]
2016 Jan. 29.82 UT: m1=13.6, Dia.=0.6′, DC=6; 60.3-cm L (188x); Sandor Szabo (Sieggraben, Austria)
2016 Jan. 08.76 UT: m1=12.5 DSLR, Dia.=1.5′; 1100d+300mm lens; Giuseppe Pappa (Sicily, Italy)
2015 Dec. 30.49 UT: m1=13.6, Dia.=0.6’, DC=1/; 25-cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Difficult due to proximity of bright stars, diffuse coma, slight brightening to centre, no tail]
2015 Dec. 29.47 UT: m1=13.2, Dia.=0.5’, DC=1; 25-cm L f:5 (166x); Chris Wyatt (Walcha, NSW, Australia) [Coma very diffuse, difficult, no tail. Visible at x83 but hard to make measurements]
2010 Sep. 10.43 UT: m1=13.7, Dia.=1.1′; 18 cm reflector + CCD; Artyom Novichonok & Dimitry Chestnov (remotely Moorook, S. Australia)
2010 Ago. 07.86 UT: m1=12.1, Dia.=1′, DC=3, no cola; 23.5cm SCT (138x); Carlos Labordena (Castellón, España)
2010 Ago. 06.90 UT: m1=12.2, Dia.=1.2′, DC=3; 20 cm SCT (100x); Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España)
2010 Aug. 04.36 UT: m1= 12.7, Dia= 5.1’, DC=3; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [no tail, coma small and diffuse with gradual brightening to centre. Comp Star= GSC-5592-0864; Method= S; Cat= HS]
2010 Jul. 31.958 UT: m1=12.6, Dia.=1.5′, DC=4; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2010 Jul. 10.56 UT: m1=12.1, Dia.=2.4′; 15 cm refractor + CCD; Artyom Novichonok & Dimitry Chestnov ( remotely Moorook, S. Australia )
2010 Jul. 04.98 UT: m1=11.8, Dia.=2.5′, DC=3; 20 cm SCT (160x); Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España)
2010 Jul. 14.94 UT: m1=[12.0; 18cm L (160x); Alexandre Amorim (Florianopolis, Brazil)
2010 Jul. 11.948 UT: m1=12.2, Dia.=1.5′, DC=4; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2010 Jul. 09.948 UT: m1=12.0, Dia.=2′, DC=3/ 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2010 Jul. 01.958 UT: m1=11.7, Dia.=2′, DC=4; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2010 Jun. 17.84 UT: m1=11.6 ccd, Dia.=1.8′, DC=5; 25cm L +ccd +Rc filter; Toni Scarmato (Calabria, Italia)
2010 Jun. 16.021 UT: m1=11.4, Dia.=2.5′, DC=4; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2010 Jun. 15.52 UT: m1=13.1 ccd, Dia.=4.5′, DC=6/; 15cm R f/7 +CCD; Sergey Shurpakov (Baran’, Belarus)
2010 Jun. 15.19 UT: m1=13.2 ccd, Dia.=3.0′, DC=7/, tail:18′ in PA:287 deg.; 36cm L f/3.8 +CCD; Sergey Shurpakov (Baran’, Belarus)
2010 Jun. 14.19 UT: m1=13.1 ccd, Dia.=3.2′, DC=7/, tail:16′ in PA:286 deg.; 36cm L f/3.8 +CCD; Sergey Shurpakov (Baran’, Belarus)
2010 Jun. 12.000 UT: m1=11.0, Dia.=3′, DC=4; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2010 Jun. 11.90 UT: m1=10.9, Dia.=3′, DC=3, Cola= 5′; 23.5cm SCT (67x); Carlos Labordena (Castellón, España)
2010 Jun. 09.062 UT: m1=10.8, Dia.=3′, DC=4; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2010 Jun. 07.83 UT: m1=11.2 ccd, Dia.=2.1′, DC=5; 25cm L +ccd +Rc filter; Toni Scarmato (Calabria, Italia)
2010 Jun. 06.98 UT: m1=11.0:;18cm L (57x); Alexandre Amorim (Florianopolis, Brazil)
2010 Jun. 06.01 UT: m1=11.0, Dia.=1′, DC=5; 18cm L (57x); Alexandre Amorim (Florianopolis, Brazil)
2010 Jun. 05.958 UT: m1=10.5, Dia.=4′, DC=4/; 22cm L f:6.5 (60x); Marco Goiato (Araçatuba, Brasil)
2010 Jun. 03.98 UT: m1=10.1, Dia.=4′, DC=3/; 20cm SCT (77x); Juan José González (Alto del Trichero – Soto y Amío, alt. 1190 m., León, España)
2010 Jun. 01.000 UT: m1=10.5, Dia.=4′, DC=4; 22cm L f:6.5 (60x); Marco Goiato (Araçatuba, Brasil)
2010 Maio 29.937 UT: m1=10.6, Dia.=3′, DC=4; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2010 May. 22.07 UT: m1=9.7, Dia.=4.5′, DC=4/, Tail: 0.1 deg. in PA 300 deg.; 20cm SCT (77x); Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España)
2010 Maio 21.146 UT: m1=10.4, Dia.=3′, DC=4; 22cm L f:6.5 (60x); Marco Goiato (Araçatuba, Brasil)
2010 May. 20.00 UT: m1=10.2:; 20×80 B; Alexandre Amorim (Florianopolis, Brazil)
2010 May. 19.57 UT: m1=9.6; Dia.=6′; 25×100 B; David A. J. Seargent (Cowra, NSW, Australia)
2010 May. 18.52 UT: m1=9.7; 25×100 B; David A. J. Seargent (Cowra, NSW, Australia)
2010 Maio 17.083 UT: m1=10.2, Dia.=3′, DC=4/; 22cm L f:6.5 (60x); Marco Goiato (Araçatuba, Brasil)
2010 May. 17.00 UT: m1=9.6, Dia.=4.5′, DC=4/, Cola: 0.2º en AP 300º; 20cm SCT (77x); Juan José González (Cueto Rosales – Riello, alt. 1420 m., León, España)
2010 May. 16.17 UT: m1=10.0, Dia.=1′, DC=3; 18cm L (60x); Alexandre Amorim (Florianopolis, Brazil)
2010 May. 15.91 UT: m1=9.6, Dia.=4′, DC=4, Cola= 5′; 23.5cm SCT (67x); Carlos Labordena (Castellón, España)
2010 May. 15.51 UT: m1=9.7; 25×100 B; David A. J. Seargent (Cowra, NSW, Australia) [Approximate estimate as comet very near star]
2010 Maio 14.187 UT: m1=10.0, Dia.=4′, DC=4/; 22cm L f:6.5 (60x); Marco Goiato (Araçatuba, Brasil)
2010 May. 13.43 UT: m1=9.9, Dia.=7.7’, DC=6; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Tail to West, 9’ in length, broad and faint. Coma extension to NE, 4.5’ in length although very faint, visible with averted vision, central condensation equivalent to mag 14 star. Comp Star= TYC 4981-124-1; Method= M; Cat= TJ]
2010 Maio 13.146 UT: m1=10.0, Dia.=4′, DC=4/; 22cm L f:6.5 (60x); Marco Goiato (Araçatuba, Brasil) [nebulosidade fina]
2010 May. 13.04 UT: m1=9.7, Dia.=2′, DC=4; 20×80 B; Alexandre Amorim (Florianopolis, Brazil)
2010 May. 12.51 UT: m1=9.6, Dia.=3′; 25×100 B; David A. J. Seargent (Cowra, NSW, Australia)
2010 May. 11.43 UT: m1=9.9, Dia.=7.7’, DC=6; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Tail to West, 13’ in length, coma elongated to NE, background star in coma. Comp Star= TYC 4978-124-1; Method= M; Cat= TJ]
2010 May. 10.42 UT: m1=9.9, Dia.=6.4’, DC=6; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Tail to West, 11’ in length, broad, slightly elongated to NE. Comp Star= TYC 4978-737-1; Method= M; Cat= TJ]
2010 May. 09.96 UT: m1=9.7, Dia.=2′, DC=4; 20×80 B; Alexandre Amorim (Florianopolis, Brazil)
2010 May. 09.89 UT: m1=10.2 ccd, Dia.=1.7′, DC=5; 25cm L +ccd +Rc filter; Toni Scarmato (Calabria, Italia)
2010 May. 09.49 UT: m1=9.9, Dia.=6.4’, DC=6; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Tail to West, 13’ in length, slight elongation to NE. Comp Star= TYC 4978-737-1; Method= M; Cat= TJ]
2010 Maio 08.167 UT: m1=9.9, Dia.=5′, DC=5; 22cm L f:6.5 (60x); Marco Goiato (Araçatuba, Brasil)
2010 May. 07.55 UT: m1=9.6; 25×100 B; David A. J. Seargent (The Entrance, NSW, Australia)
2010 May. 07.50 UT: m1=9.6, Dia.=5.5’, DC=6; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Tail to West, 15.5’ in length, broad, coma elongated to NE. Comp Star= TYC 4978-851-1; Method= M; Cat= TJ]
2010 May. 06.98 UT: m1=9.6, Dia.=3′, DC=4; 18cm L (45x); Alexandre Amorim (Florianopolis, Brazil)
2010 May. 06.43 UT: m1=9.9, Dia.=4.8’, DC=5/6; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Tail to West, 11’ in length, background star in coma, coma elongated to NE. Comp Star= TYC 4978-737-1; Method= M; Cat= TJ]
2010 May. 06.183 UT: m1=10.0, Dia.=3´, DC=4/5, Cola: no visible; 15cm SCT (37x); Salvador Aguirre (Hermosillo, Sonora, Mexico)
2010 May. 05.96 UT: m1=9.4, Dia.=5′, DC=5, Cola: 0.2º en AP 300º; 20cm SCT (77x); Juan Jose Gonzalez (Pandorado, alt. 1190 m, Leon, España)
2010 May. 05.41 UT: m1=10.2, Dia.=5.1’, DC=6; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Coma elongated to the West, and slightly elongated to NE (at x83), tail to West, broad and faint, 13’ in length. Comp Star= TYC 4978-1085-1; Method= M; Cat= TJ]
2010 May. 03.41 UT: m1=9.6, Dia.=6.4’, DC=6; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Tail to the West, 15’ in length, and broad. Comp Star= TYC 4978-851-1; Method= M; Cat= TJ]
2010 Mai. 03.021 UT: m1=9.8, Dia.=4′, DC=4/; 22cm L f:6.5 (60x); Marco Goiato (Araçatuba, Brasil)
2010 May. 02.50 UT: m1=9.9, Dia.=6′, DC=6; 40.0cm L f/4.5 (36x); Seiichi Yoshida (Gunma, Japan)
2010 May. 02.36 UT: m1=9.6, Dia.=5.5’, DC=6; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [No tail, small central condensation, coma elongated to the West. Comp Star= TYC 4978-644-1; Method= S; Cat= TJ]
2010 May. 01.97 UT: m1=9.6, Dia.=2′, DC=3; 18cm L (45x); Alexandre Amorim (Florianopolis, Brazil)
2010 Mai. 01.968 UT: m1=9.8, Dia.=4.5′, DC=4/; 22cm L f:6.5 (60x); Marco Goiato (Araçatuba, Brasil) [Nuvens]
2010 May. 01.51 UT: m1=9.9, Dia.=5.5′, DC=7; 40.0cm L f/4.5 (36x); Seiichi Yoshida (Gunma, Japan)
2010 Apr. 30.95 UT: m1=10.9 ccd, Dia.=0.9′, DC=5; 25cm L +ccd +Rc filter; Toni Scarmato (Calabria, Italia)
2010 Abr. 30.937 UT: m1=9.8, Dia.=4′, DC=4/; 22cm L f:6.5 (60x); Marco Goiato (Araçatuba, Brasil) [Nuvens]
2010 Apr. 30.92 UT: m1=9.7:; 18cm L (45x); Alexandre Amorim (Florianopolis, Brazil) [nebulosity]
2010 Apr. 23.64 UT: m1=8.7, Dia.=5.5’, DC=6; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Tail to the West, 4’ in length. Comp Star= TYC 4981-29-1; Method= S; Cat= TJ]
2010 Abr. 22.042 UT: m1=9.5, Dia.=6′, DC=4; 20X100 B; Marco Goiato (Araçatuba, Brasil)
2010 Abr. 22.031 UT: m1=9.7, Dia.=5′, DC=5; Cola=10 arcmin en AP=260 grados; 22cm L f:6.5 (60x); Marco Goiato (Araçatuba, Brasil)
2010 Apr. 22.57 UT: m1=8.7, Dia.=5.9’, DC=6; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Tail to the West, short and faint in moonlight, approximately 4’ long, very small but discernable central condensation. Comp Star= TYC 4982-774-1; Method= S; Cat= TJ]
2010 Apr. 21.58 UT: m1=9.3; 25×100 B; David A. J. Seargent (The Entrance, NSW, Australia)
2010 Apr. 21.57 UT: m1=9.3, Dia.=2.5’, DC=6; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Coma bright, stellar central condensation, tail to the West 6’ long, tail narrower than previous observations. Comp Star= TYC 4978-750-1; Method= M; Cat= TJ]
2010 Apr. 20.56 UT: m1=9.4, Dia.=3; 25×100 B; David A. J. Seargent (The Entrance, NSW, Australia)
2010 Apr. 20.41 UT: m1=9.5, Dia.=4.5’, DC=6; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Tail to the West, 6.5’in long, moonlight affected. Comp Star= TYC 4979-721-1; Method= S; Cat= TJ]
2010 Abr. 19.104 UT: m1=9.5, Dia.=6′, DC=4; 20X100 B; Marco Goiato (Araçatuba, Brasil)
2010 Abr. 19.104 UT: m1=9.7, Dia.=5′, DC=5; Cola=7 arcmin en AP=250 grados; 22cm L f:6.5 (60x); Marco Goiato (Araçatuba, Brasil)
2010 Apr. 18.38 UT: m1=8.7, Dia.=5′, DC=4; 11×70 B; Alexandre Amorim (San Rafael, Argentina)
2010 Abr. 18.187 UT: m1=9.6, Dia.=6′, DC=4; 20X100 B; Marco Goiato (Araçatuba, Brasil)
2010 Abr. 18.177 UT: m1=9.7, Dia.=4.5′, DC=5; Cola=7 arcmin en AP=260 grados; 22cm L f:6.5 (60x); Marco Goiato (Araçatuba, Brasil)
2010 Apr. 17.17 UT: m1=8.4, Dia.=7′, DC=5; 11×70 B; Alexandre Amorim (San Rafael, Argentina) [elongated coma with 2’x4′ in PA 270 using 28-cm SCT f/10 87x]
2010 Abr. 17.09 UT: m1=9.3, Dia.=5′, DC=4/, Cola:0.3º en AP:300º; 20cm SCT (77x); Juan José González (La Cruz – Lieres, alt. 520 m, Asturias, España)
2010 Apr. 16.17 UT: m1=8.7, Dia.=5′, DC=5; 11×70 B; Alexandre Amorim (San Rafael,Argentina)
2010 Abr. 16.083 UT: m1=9.6, Dia.=5′, DC=4; 20X100 B; Marco Goiato (Araçatuba, Brasil) [Nuvens]
2010 Apr. 15.46 UT: m1=9.5, Dia.=6.4’, DC=6; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Tail to the West, 25’ total length, with brighter fan 12’extending West from coma before fading out to 25’, coma also elongated slightly to NE (anti-tail) Comp Star= TYC 4982-1012-1; Method= M; Cat= TJ]
2010 Abr. 14.094 UT: m1=9.5, Dia.=6′, DC=4; 20X100 B; Marco Goiato (Araçatuba, Brasil) [Nuvens]
2010 Apr. 14.00 UT: m1=8.9, Dia.=4′, DC=4; 18cm L (45x); Alexandre Amorim (Florianopolis, Brazil)
2010 Apr. 13.75 UT: m1=9.2, Dia.=6.4’, DC=5; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Tail to the West, 25’ long, faint, coma edges diffuse with bright small central condensation. Comp Star= TYC 4982-704-1; Method= S; Cat= TJ]
2010 Apr. 13.06 UT: m1=9.0, Dia.=3′, DC=6; 7.6cm L (75x); Alexandre Amorim (Florianopolis, Brazil)
2010 Apr. 12.94 UT: m1=9.1, Dia.=3.4′, DC=4; 13 cm reflector; Artyom Novichonok (Konchezero, Russia)
2010 Apr. 12.54 UT: m1=9.3, Dia.=4, DC=5, Tail=0.5 degrees, PA=290; 25×100 B; David A. J. Seargent (Cowra, NSW, Australia)
2010 Abr. 12.114 UT: m1=9.5, Dia.=6′, DC=4; 20X100 B; Marco Goiato (Araçatuba, Brasil)
2010 Abr. 12.104 UT: m1=9.6, Dia.=5′, DC=5, Cola=8 arcmin en AP=270 grados; 22cm L f:6.5 (36x); Marco Goiato (Araçatuba, Brasil)
2010 Apr. 12.05 UT: m1=9.1, Dia.=3′, DC=4; 18cm L (45x); Alexandre Amorim (Florianopolis, Brazil)
2010 Apr. 11.51 UT: m1=9.3, Dia.=3, DC=5, Tail=0.5 degrees, PA=290; 25.4cm L (71x); David A. J. Seargent (Cowra, NSW, Australia)
2010 Abr. 11.18 UT: m1=10.0, Dia.=3´, DC=5´, Cola: no visible; 15cm SCT (37x), Salvador Aguirre (Hermosillo, Sonora, Mexico)
2010 Abr. 11.01 UT: m1=9.6, Dia.=4′, DC=5, Cola=15′; 23.5cm SCT (67x); Carlos Labordena (Castellón, España)
2010 Abr. 11.01 UT: m1=9.3, Dia.=5′, DC=4, Cola=15′; 11×80 B; Carlos Labordena (Castellón, España)
2010 Apr. 10.71 UT: m1=9.5, Dia.=4’, DC=6; 20cm T f:10 (63x); Chris Wyatt (Walcha, NSW, Australia) [Coma elongated to the NW, moonlight affected visibility of tail which made it not visible. Comp Star= TYC 4982-1012-1; Method= S; Cat= TJ]
2010 Abr. 10.218 UT: m1=9.5, Dia.=6′, DC=4; 20X100 B; Marco Goiato (Araçatuba, Brasil)
2010 Abr. 10.208 UT: m1=9.7, Dia.=4.5′, DC=5; Cola=7 arcmin en AP=260 grados; 22cm L f:6.5 (60x); Marco Goiato (Araçatuba, Brasil)
2010 Abr. 10.15 UT: m1=9.2, Dia.=6′, DC=5/, Cola: 0.4º en AP 300º; 25×100 B; Juan José González (Cueto Rosales – Riello, alt. 1420 m., León, España) [En 20 cm SCT (77x): m1=9.5]
2010 Apr. 08.50 UT: m1=8.9, Dia.=4, Tail=0.3 degrees, PA=305; 25×100 B; David A. J. Seargent (Cowra, NSW, Australia)
2010 Abr. 08.083 UT: m1=9.6, Dia.=5′, DC=5, Cola=4 arcmin en AP=280 grados; 22cm L f:6.5 (60x); Marco Goiato (Araçatuba, Brasil)
2010 Abr. 07.125 UT: m1=9.5, Dia.=6′, DC=4; 20×100 B; Marco Goiato (Araçatuba, Brasil)
2010 Abr. 06.083 UT: m1=9.5, Dia.=5′, DC=4; 20×100 B; Marco Goiato (Araçatuba, Brasil)
2010 Apr. 05.46 UT: m1=9.1, Dia.=4, Tail=in 25.4L at 71X, broad tail of 0.7 degrees in PA=274; 25×100 B; David A. J. Seargent (Cowra, NSW, Australia)
2010 Abr. 05.02 UT: m1=9.4, Dia.=4.5′, DC=5, Cola: 0.5º en AP 290º; 20cm SCT (77x); Juan José González (Alto del Trichero – Soto y Amío, alt. 1190 m., León, España)
2010 Abr. 05.187 UT: m1=9.5, Dia.=5′, DC=4; 20×100 B; Marco Goiato (Araçatuba, Brasil) [Luar]
2010 Abr. 04.041 UT: m1=9.6, Dia.=4′, DC=4/; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil) [Nuvens]
2010 Apr. 03.99 UT: m1=9.8 ccd, Dia.=3′, DC=5; 25cm L +ccd +Rc filter; Toni Scarmato (Calabria, Italia)
2010 Apr. 03.92 UT: m1=9.2, Dia.=3.8′, DC=5; 13 cm reflector; Artyom Novichonok (Spasskaya Guba, Russia)
2010 Apr. 03.01 UT: m1=9.0, Dia.=3′, DC=4; 18cm L (45x); Alexandre Amorim (Florianopolis, Brasil) [moonlight]
2010 Mar. 25.69 UT: m1=8.9, Dia.=3’, DC=6; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Tail to the West, 38.5’ in length using averted vision. Comp Star= TYC 4982-1269-1; Method= S; Cat= TJ]
2010 Mar. 23.70 UT: m1=9.6, Dia.=2.5’, DC=6; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Tail to the West, 19’ in length, faint. Thin local fog making obs difficult. Comp Star= TYC 4982-1103-1; Method= S; Cat= TJ]
2010 Mar. 20.292 UT: m1=9.2, Dia.=6′, DC=4; 20X100 B; Marco Goiato (Araçatuba, Brasil)
2010 Mar. 19.95 UT: m1=9.8 ccd, Dia.=2.1′, DC=6; 25cm L +ccd +Rc filter; Toni Scarmato (Calabria, Italia)
2010 Mar. 19.51 UT: m1=9.3, Dia.=5.4’, DC=5/6; 20cm T, f:6 (39x); Chris Wyatt (Walcha, NSW, Australia) [Tail to West (PA 270), 38’ in length using averted vision. Comp Star= TYC 4982-184-1; Method= S; Cat= TJ]
2010 Mar. 19.146 UT: m1=9.2, Dia.=6′, DC=4; 20×100 B; Marco Goiato (Araçatuba, Brasil)
2010 Mar. 18.69 UT: m1=9.5, Dia.=5.3’, DC=5; 25cm L, f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Broad tail in PA 270, 19’ in length using averted vision, 7’ visible direct, inner coma slightly elongated WNW to ESE. Comp Star= TYC 4892-238-1; Method= S; Cat= TJ]
2010 Mar. 18.05 UT: m1=9.2, Dia.=5′, DC=4; 18cm L (45x); Alexandre Amorim (Florianopolis, Brasil) [light pollution]
2010 Mar. 17.96 UT: m1=9.6 ccd, Dia.=2.8′, DC=7; 25cm L +ccd +Rc filter; Toni Scarmato (Calabria, Italia)
2010 Mar. 17.95 UT: m1=9.5, Dia.=5.4′, DC=5; 13 cm reflector; Artyom Novichonok (Vikshitsa fields, Russia)
2010 Mar. 17.125 UT: m1=9.2, Dia.=6′, DC=4; 20×100 B; Marco Goiato (Araçatuba, Brasil) [Nuvens]
2010 Mar. 16.70 UT: m1=9.4, Dia.= 5.1’, DC=6; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Tail to West, 25’ long using averted vision, coma diffuse with small stellar central condensation. Comp Star= TYC 4891-1318-1; Method= S; Cat= TJ]
2010 Mar. 15.14 UT: m1=9.5, Dia.=4.5′, DC=5/, Cola: 0.3º en AP 290º; 20cm SCT (77x); Juan José González (Aralla, alt. 1440 m., León, España)
2010 Mar. 14.125 UT: m1=9.2, Dia.=6′, DC=4; 20×100 B; Marco Goiato (Araçatuba, Brasil)
2010 Mar. 14.01 UT: m1=9.7, Dia.=4′, DC=6, Cola=6′; 23.5cm SCT (67x); Carlos Labordena (Castellón, España)
2010 Mar. 13.312 UT: m1=9.2, Dia.=6′, DC=4; 20X100 B; Marco Goiato (Araçatuba, Brasil)
2010 Mar. 11.146 UT: m1=9.4, Dia.=4′, DC=5; 22cm L F:6.5 (60x); Marco Goiato (Araçatuba, Brasil) [muito próximo a estrela com m1: 10.23]
2010 Mar. 10.11 UT: m1=9.5, Dia.=4.5′, DC=5/, Cola:0.2º en AP:290º; 20cm SCT (77x); Juan José González (Alto del Trichero – Soto y Amío, alt. 1190 m., León, España)
2010 Mar. 10.02 UT: m1=9.5, Dia.=4.5′, DC=5; 13 cm reflector; Artyom Novichonok (Vikshitsa fields, Russia)
2010 Mar. 09.51 UT: m1=9.9, Dia.=5.5’, DC= 6; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Tail to NW approx; 9’ in length, broad and faint. Comp Star= TYC 5554-564-1; Method= M; Cat= TJ]
2010 Mar. 09.166 UT: m1=9.4, Dia.=5′, DC=4/; 20X100 B; Marco Goiato (Araçatuba, Brasil)
2010 Mar. 08.50 UT: m1=9.6, Dia.=5.5’, DC= 6; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Tail to NW, faint, 6.5’ in length. Comp Star= TYC 4891-894-1; Method= M; Cat= TJ]
2010 Mar. 08.12 UT: m1=9.3, Dia.=4′, DC=5; 18cm L (45x); Alexandre Amorim (Florianopolis, Brasil)
2010 Mar. 07.146 UT: m1=9.7, Dia.=3′, DC=5/; 22cm L F:6.5 (60x); Marco Goiato (Araçatuba, Brasil) [Luar]
2010 Feb. 23.58 UT: m1=9.5, Tail:0.2 deg. in PA:290 deg.; 25.4cm L (71x); David A. J. Seargent (Cowra, NSW, Australia)
2010 Fev. 23.187 UT: m1=9.7, Dia.=3′, DC=5/; 22cm L f:6.5 (60x); Marco Goiato (Araçatuba, Brasil) [Poluição atmosférica]
2010 Feb. 21.54 UT: m1=9.7, Dia.=4; 25×100 B; David A. J. Seargent (Cowra, NSW, Australia)
2010 Fev. 21.250 UT: m1=9.7, Dia.=3′, DC=5; 20X100B; Marco Goiato (Araçatuba, Brasil)
2010 Feb. 20.37 UT: m1=11.4 ccd, Dia.=3.2′, DC= -, Tail:14′ in PA:289 deg.; 0.36-m L f/3.8 + CCD; Sergey Shurpakov (Baran’, Belarus)
2010 Feb. 20.18 UT: m1=9.6, Dia.=3.5′, DC=5/, Cola: 0.2º en AP 300º; 20cm SCT (77x); Juan José González (Armada – Lena, alt. 700 m, Asturias, España)
2010 Feb. 19.62 UT: m1=9.6, Dia.=3′, DC=6; 20cm L (57x); Michael Mattiazzo (Castlemaine, Victoria) [First observation. Bright starlike nucleus with a hint of tail in PA 290]
2010 Feb. 17.93 UT: m1=10.5, Dia.=3′, DC=3; 13 cm reflector; Artyom Novichonok (Konchezero, Russia)
2010 Feb. 16.97 UT: m1=10.3, Dia.=3.4′, DC=3; 13 cm reflector; Artyom Novichonok (Konchezero, Russia)
2010 Feb. 12.69 UT: m1=10.3; Dia.=3’, DC=6; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Coma elongated to NE, tail 19’ long in PA 270. Comp Star= TYC 4972-1332-1; Method= S; Cat= TJ
2010 Feb. 11.70 UT: m1=10.0; Dia.=3’, DC=6; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Tail visible, 19’ in length, PA 293 degrees, coma elongated to NE. Comp Star= TYC 4972-685-1; Method= S; Cat= TJ
2010 Feb. 10.59 UT: m1=10.2; Dia.=2’, DC=6; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Tail visible, 15’ in length in PA 293 degrees. Comp Star= TYC 4972-393-1; Method= S; Cat= TJ
2010 Feb. 10.15 UT: m1=9.6, Dia.=3′, DC=5, Cola= 5′; 23.5cm SCT (67x); Carlos Labordena (Castellón, España)
2010 Feb. 10.07 UT: m1=9.7, Dia.=3′, DC=5/, Tail:0.2 deg. in PA 290 deg.; 20cm SCT (77x); Juan José González (Caldas de Luna, alt. 1120 m, León, España)
2010 Fev. 07.281 UT: m1=10.1, Dia.=3′, DC=6; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil) [Luar]
2010 Fev. 06.208 UT: m1=10.0:, Dia.=2′, DC=4; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil) [Luar e nuvens]
2010 Jan. 22.69 UT: m1=10.0, Dia.=4.8’, DC= 4/5; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Tail to the West, 13’ in length, coma extension to the North, central condensation bright. Comp Star= TYC 4953-774-1; Method= S; Cat= TJ]
2010 Ene. 13.09 UT: m1=9.7, Dia.=3.5′, DC=3/, Cola: 0.1º en AP 290º; 20cm SCT (77x); Juan José González (Grandota – Oviedo, alt. 430 m, España)
2009 Dec. 26.26 UT: m1=11.6, Dia.=1′, DC=5; 20cm R F9; Alfons Diepvens (Balen, Belgium)
2009 Dez. 19.281 UT: m1=11.3, Dia.=2′, DC=5; 22cm L f:6.5 (60x); Marco Goiato (Araçatuba, Brasil)
2009 Dic. 12.16 UT: m1=10.3, Dia.=4′, DC=3; 20cm SCT (77x); Juan José González (Alto del Castro, alt. 1720 m, León, España) [Coma elongada]
2009 Dic. 11.17 UT: m1=9.8, Dia.=3′, DC=2, no cola; 23.5cm SCT (67x); Carlos Labordena (Castellón, España)
2009 Nov. 24.17 UT: m1=10.5, Dia.=4.5′, DC=3; 20cm SCT (77x); Juan José González (Alto del Castro, alt. 1720 m, León, España)
2009 Nov. 18.14 UT: m1=10.7, Dia.=3.5′, DC=2/; 20cm SCT (77x); Juan José González (Alto del Castro, alt. 1720 m, León, España) [Coma elongada]
2009 Nov. 14.302 UT: m1=12.1, Dia.=0.8′, DC=5; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2009 Nov. 09.48 UT: m1=11.0, Dia.=4´, DC=3, Cola: no; 20cm SCT (50x); Salvador Aguirre (Hermosillo, Sonora, Mexico)
2009 Oct. 31.83 UT: m1=12.4 ccd, Dia.=0.5′, Tail=1.2′; 18cm reflector + CCD; Artyom Novichonok (remotely Pingelly, Australia)
2009 Oct. 26.20 UT: m1=11.2, Dia.=4′, DC=2/, Cola: 0.2º en AP 290º; 20cm SCT (77x); Juan José González (Alto del Castro, alt. 1720 m, León, España) [Luz zodiacal]
2009 Oct. 17.11 UT: m1=12.0, Dia.=1.5′, DC=3, no cola; 23.5cm SCT (94x); Carlos Labordena (Castellón, España)
2009 Oct. 16.18 UT: m1=11.8, Dia.=2′, DC=3; 20cm SCT (100x); Juan José González (Alto del Castro, alt. 1720 m, León, España)
2009 Sep. 29.19 UT: m1=12.2, Dia.=2′, DC=3; 20cm SCT (100x); Juan José González (Alto del Castro, alt. 1720 m, León, España)
2009 Sep. 23.16 UT: m1=12.3, Dia.=2′, DC=3; 20cm SCT (133x); Juan José González (Alto del Castro, alt. 1720 m, León, España)
2009 Sep. 20.80 UT: m1=13.7, Dia.=0.4′, DC=6; 40.0cm L f/4.5 (144x); Seiichi Yoshida (Gunma, Japan)

78P/Gehrels 2
2013 Mar. 18.02 UT: m1=17.2 CCD, Dia.=0.3’; Measures taken on CCD images unfiltered; Clermont Vallière (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada) [comparison star 3UCAC 192-105758 mag.=15.75]
2013 Mar. 17.19 UT: m1=17.4 CCD, Dia.=0.4’; Measures taken on CCD images unfiltered; Clermont Vallière (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada) [comparison star 3UCAC 191-101320 mag.=16.57]
2013 Mar. 15.22 UT: m1=17.5 CCD, Dia.=0.3’; Measures taken on CCD images unfiltered; Clermont Vallière (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada) [comparison star 3UCAC 191-101374 mag.=17.03]
2013 Mar. 10.26 UT: m1=18.0 CCD, Dia.=0.2’; Measures taken on CCD images unfiltered; Clermont Vallière (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada) [comparison star 3UCAC 190-099954 mag.=15.92]
2013 Feb. 19.27 UT: m1=17.6 CCD, Dia.=0.2’; Measures taken on CCD images unfiltered; Clermont Vallière (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada) [ comparison star 3UCAC 187-097828 mag.=17.62]
2013 Feb. 11.29 UT: m1=17.5 CCD, Dia.=0.2’; Measures taken on CCD images unfiltered; Clermont Vallière (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada) [ comparison star 3UCAC 185-101447 mag.=16.50]
2013 Feb. 10.34 UT: m1=17.9 CCD, Dia.=0.2’; Measures taken on CCD images unfiltered; Clermont Vallière (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada) [comparison star 3UCAC 185-105605 mag.=16.13]
2013 Jan. 11.11 UT: m1=16.8 CCD, Dia.=0.31′, Tail=0.2′ in PA 62 deg.; 0.40-m f/8 Ritchey-Chretien + CCD; V.Gerke & T.Prystavski (Ka-Dar observatory, TAU station C32, remotely Nizhniy Arkhyz, Russia)
2012 Dec. 13.30 UT: m1=17.3 CCD, Dia.=0.6′; 30.5cm SCT; Jakub Cerny (robotic telescope FRAM, Malargue, Argentina)
2012 Nov. 22.33 UT: m1=17.4 CCD, Dia.=0.2′; 30.5cm schmidt-cassegrain; Jakub Cerny [robotic telescope FRAM in Malargue, Argentina]
2012 Abr. 08.85 UT: m1=10.8, Dia.=2.5′, DC=3; 20cm SCT (100x); Juan José González (Pandorado, alt. 1190 m., León, España) [Fin del crepúsculo astronómico]
2012 Mar. 11.84 UT: m1=10.5, Dia.=3′, DC=3; 20cm SCT (77x); Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España)
2012 Feb. 20.83 UT: m1=10.5, Dia.=5′, DC=3; 20cm SCT (77x); Juan José González (Collada de la Cobertoria, alt. 1175 m., Asturias, España)
2011 Feb. 18.82 UT: m1=11.4, Dia.=2′, DC=2, no cola; 23.5cm SCT(94x); Carlos Labordena (Castellón, España)
2012 Feb. 14.11 UT: m1=[11.1; 25cm Reflector (120x); Salvador Aguirre (Hermosillo, Sonora, Mexico)
2012 Ene. 10.79 UT: m1=10.1, Dia.=5′, DC=3/; 20cm SCT (77x); Juan José González (Alto del Castro – Aralla, alt. 1720 m., Leon, España) [Ligera interferencia de la luz lunar]
2011 Ene. 08.75 UT: m1=11.1, Dia.=3′, DC=2, no cola; 23.5cm SCT (137x); Carlos Labordena (Castellón, España)
2012 Jan. 01.968 UT: m1=10.8, Dia.=1.5′, DC=2/; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2011 Dic. 22.80 UT: m1=10.5, Dia.=5′, DC=3/; 20cm SCT (77x); Juan José González (Collada del Fresno – Sierra del Aramo, 1221 m, Asturias, España ).
2011 Dec. 20.97 UT: m1=11.0, Dia.=5′; 18cm L (72x); Alexandre Amorim(Florianopolis,Brazil)
2011 Dec. 19.98 UT: m1=11.0, Dia.=5′; 18cm L (72x); Alexandre Amorim(Florianopolis,Brazil)
2011 Dec. 14.44 UT: m1=11.7, Dia.=3′: 25.4cm L (71x); David A. J. Seargent (Cowra, NSW, Australia)
2011 Dec. 13.44 UT: m1=12.1, Dia.=1.8′, DC=3; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Coma small, close to brightish stars. Comp star= ASAS-3 000645+0026.0 ; Method= S; Cat= AU]
2011 Nov. 29.09 UT: m1=11.0, Dia.=3´, DC=3, Tail: no visible; 25cm Reflector (48x); Salvador Aguirre (Hermosillo, Sonora, Mexico)
2011 Nov. 28.00 UT: m1=10.6, Dia.=3′, DC=3; 22cm L f:6.5 (120x); Marco Goiato (Araçatuba, Brasil)
2011 Nov. 26.76 UT: m1=9.8, Dia.=6′, DC=3; 25×100 B; Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España)
2011 Nov. 24.79 UT: m1=10.9, Dia.=3′, DC=2, no cola; 23.5cm SCT(94x); Carlos Labordena (Castellón, España)
2011 Nov. 24.41 UT: m1=10.9, Dia.=2.0′, DC=6; 40.0cm L f/4.5 (144x); Seiichi Yoshida (Gunma, Japan)
2011 Nov. 23.958 UT: m1=10.8, Dia.=3′, DC=4; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2011 Nov. 18.48 UT: m1=11.4, Dia.=3´: 25×100 B; David A. J. Seargent (Cowra, NSW, Australia)
2011 Nov. 17.82 UT: m1=9.8, Dia.=5′, DC=3; 20cm SCT (77x); Juan José González (Angliru – Sierra del Aramo, alt. 1540 m., Asturias, España)
2011 Nov. 16.00 UT: m1=11.0; 27cm reflector ; José G. de S. Aguiar (Campinas, Brazil)
2011 Nov. 15.47 UT: m1=11.6, Dia.=3´, DC=4; 25.4cm L (71x); David A. J. Seargent (Cowra, NSW, Australia) [Comet faintly visible in 25×100 binocular]
2011 Nov. 14.00 UT: m1=11.0; 27cm reflector ; José G. de S. Aguiar (Campinas, Brazil)
2011 Nov. 01.104 UT: m1=10.6, Dia.=3′, DC=4; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2011 Nov. 01.08 UT: m1=11.0, Dia.=3´, DC=3, Tail: no visible; 15cm Reflector (37x); Salvador Aguirre (Hermosillo, Sonora, Mexico)
2011 Oct. 30.29 UT: m1=11.5, Dia.=2’, DC=1, Cola: no; 25cm SCT (32x); Alberto Anunziato (Oro Verde, Entre Rios, Argentina) [Mét. Sidgwick, Cat. Tycho II]
2011 Oct. 29.97 UT: m1=10.3, Dia.=6′, DC=3/; 20cm SCT (77x); Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España)
2011 Oct. 27.99 UT: m1=11.0:, DC= 6; 18cm L (57x); Alexandre Amorim (Florianopolis,Brazil)
2011 Out. 27.125 UT: m1=10.8, Dia.=3′, DC=4, 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2011 Oct. 25.99 UT: m1=11.5; 18cm L (57x); Alexandre Amorim (Florianopolis, Brazil) [averted vision]
2011 Oct. 25.85 UT: m1=10.9, Dia.=4′, DC=4, no cola; 20cm SCT (80x); Carlos Labordena (Castellón, España)
2011 Oct. 22.94 UT: m1=11.5:; 18cm L (57x); Alexandre Amorim (Florianopolis, Brazil)
2011 Oct. 21.98 UT: m1=11.5:; 18cm L (57x); Alexandre Amorim (Florianopolis, Brazil) [averted vision]
2011 Oct. 20.96 UT: m1=10.5, Dia.=5′, DC=4; 20cm SCT (77x); Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España)
2011 Oct. 19.48 UT: m1=12.0; 25×100 B; David A. J. Seargent (Cowra, NSW, Australia)
2011 Oct. 16.43 UT: m1=12.1, Dia.=2´; 25.4cm L (71x); David A. J. Seargent (Cowra, NSW, Australia) [Comet also glimpsed in 25×100 binocular telescope]
2011 Oct. 15.81 UT: m1=10.3, Dia.=5′, DC=3/; 20cm SCT (77x); Juan José González (Aralla, alt. 1360 m., León, España)
2011 Oct. 07.72 UT: m1=11.5, Dia.=1.8′, DC=5; 40cm L f/4.5 (75x); Seiichi Yoshida (Gunma, Japan)
2011 Oct. 01.08 UT: m1=11.0, Dia.=3.5′, DC=3/; 20cm SCT (77x); Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España) [Estrella de magnitud 12.9 (GSC) en la coma]
2011 Set. 28.125 UT: m1=11.0, Dia.=2.5′, DC=3; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2011 Sep. 24.87 UT: m1=10.8, Dia.=4′, DC=3/; 20cm SCT (77x); Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España)
2011 Sep. 22.41 UT: m1=12.0, Dia.=2’, DC=5/6; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Coma bright, small, central condensation visible using averted vision, coma elongated to WSW. Comp Star= ASAS-3 234901+0518.1; Method= M; Cat= AU]
2011 Sep. 21.42 UT: m1=12.9, Dia.=1’, DC=5; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Close to bright star, central condensation bright, elongated to the West, averted vision gives the best view. Comp Star= ASAS-3 234920+0522.3; Method= M; Cat= AU]
2011 Sep. 20.91 UT: m1=11.3, Dia.=1.5′, DC=4, no cola; 23.5cm SCT (87x); Carlos Labordena (Castellón, España)
2011 Sep. 19.90 UT: m1=10.8, Dia.=4′, DC=4; 20 cm SCT (77x); Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España) [El cometa se muestra significativamente más brillante que hace dos semanas, mostrando una más amplia coma]
2011 Set. 19.125 UT: m1=11.5, Dia.=2′, DC=4; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2011 Sep. 15.41 UT: m1=12.2, Dia.=1.5’, DC=5; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma very diffuse, small central condensation noticeable in periods of good seeing, no tail, enhances slightly in Swan Band filter. Averted vision used for m1 measurement. Comp Star= GSC-0593-0517; Method= M; Cat= HS]
2011 Sep. 07.06 UT: m1=12.5, Dia.=1.2′, DC=5; 20cm SCT (133x); Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España) [Estrellas de comparación de la fotometría TASS]
2011 Sep. 03.04 UT: m1=12.8, Dia.=1.0′, DC=6; 20cm SCT (100x); Juan José Gonzalez (Pandorado, alt. 1190 m., León, España) [Estrellas de comparación de la fotometría TASS]
2011 Set. 01.167 UT: m1=12.6, Dia.=1′, DC=4; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2011 Aug. 29.91 UT: m1=13.5, Dia.=0.5′, DC=5; 20.3 cm reflector (133x); Vyacheslav Ivanov (Melovoe, Russia)
2011 Ago. 26.94 UT: m1=13.2, Dia.=1.0′, DC=6; 20cm SCT (133x); Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España) [Estrellas de campo comprobadas en el DSS. Estrellas de comparación de la fotometría TASS]
2011 Aug. 25.88 UT: m1=13.5, Dia.=0.7′, DC=6; 25.4 cm reflector (171x); Vyacheslav Ivanov (Melovoe, Russia)
2011 Aug. 25.51 UT: m1=13.3, Dia.=1’, DC=2/3; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma best seen with averted vision, no tail. Comp Star= ASAS-3 000227+0741.7; Method= S; Cat= AU
2011 Aug. 24.52 UT: m1=13.7, Dia.=1.3’, DC=2; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma small, visible using averted vision. Comp Star= ASAS-3 000143+0732.6; Method= S; Cat= AU

77P/Longmore
2016 July 02.37 UT: m1=14.2, Dia.=0.7’, DC=2/; 25-cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma diffuse, slight brightening to centre. No tail. Visible in periods of good seeing]
2016 June 28.49 UT: m1=13.7, Dia.=0.8’, DC=2; 25-cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [No tail; Very diffuse. Visible in periods of good seeing]
2016 June 08.36 UT: m1=13.8, Dia.=1’, DC=2/; 25-cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Moonlight; Coma very diffuse with slight brightening to centre, difficult]
2016 June 3.82 UT: m1=13.7 DSRL, Dia.=0.3′; 1100d+300mm lens; Giuseppe Pappa (Mascalucia, Sicily, Italy)
2016 May  30.51 UT: m1=13.6, Dia.=0.6′, DC=3; 40.6-cm L (165x); Paul Camilleri (Warners Bay, Australia)
2016 May  30.38 UT: m1=14.0, Dia.=0.7’, DC=3; 25-cm L f:5 (166x); Chris Wyatt (Walcha, NSW, Australia) [Coma diffuse with brighter centre, opaque, visible in good seeing at x83]
2016 May  29.43 UT: m1=13.5, Dia.=0.6′, DC=3; 40.6-cm L (165x); Paul Camilleri (Warners Bay, Australia)
2016 May  06.12 UT: m1=13.0, Dia.=0.7′, DC=5; 22-cm L (160x); Marco Antonio Coelho Goiato (Araçatuba, Brazil)
2016 May  02.49 UT: m1=13.4, Dia.=0.7′, DC=3; 40.0-cm L f/4.5 (257x); Seiichi Yoshida (Gunma, Japan)
2016 May  01.48 UT: m1=14.4, Dia.=0.5′, DC=3; 40.0-cm L f/4.5 (257x); Seiichi Yoshida (Gunma, Japan)
2016 Apr. 30.95 UT: m1=14.3, Dia.=0.7′, DC=4; 40.0-cm L (138x); Sandor Szabo (Hakos, Namibia)
2016 Apr. 08.69 UT: m1=14.6, Dia.=0.5′, DC=3; 40.0-cm L f/4.5 (257x); Seiichi Yoshida (Ibaraki, Japan)
2016 Apr. 04.68 UT: m1=13.2, Dia.=0.5′, DC=3; 40.6-cm L f/4 (165x); Paul Camilleri (Warners Bay, Australia)
2016 Apr. 02.61 UT: m1=13.0, Dia.=0.6′, DC=3; 40.6-cm L f/4 (165x); Paul Camilleri (Warners Bay, Australia)

74P/Smirnova-Chernykh
2016 Nov. 24.97 UT: m1=17.5 CCD, Dia.=0.11′, DC=8; 0.25-m L f/4.7; Sergey Shurpakov (C36, Baran’, Belarus)
2013 Oct. 12.89 UT: m1=18.7: CCD; 0.40-m f/8 Ritchey-Chretien + CCD; V.Gerke & T.Prystavski (Ka-Dar observatory, TAU station C32, remotely Nizhniy Arkhyz, Russia) [faint comet, so 3 frames were co-added for the photometry]
2010 Jul. 10.56 UT: m1=16.7, Dia.=0.2′; 15 cm refractor + CCD; Artyom Novichonok & Dimitry Chestnov (remotely Moorook, S. Australia)
2010 Jun. 14.21 UT: m1=15.8 ccd, Dia.=0.31′, DC=7/, tail:2.3′ in PA:298 deg.; 36cm L f/3.8 +CCD; Sergey Shurpakov (Baran’, Belarus)
2010 Feb. 20.38 UT: m1=16.6 ccd, Dia.=0.28′, DC=8, Tail:2′ in PA:289 deg.; 0.36-m L f/3.8 + CCD; Sergey Shurpakov (Baran’, Belarus)

71P/Clark
2012 July 31.29 UT: m1=16.5, DC=3; Visual Aperture 36″ F/3.5; Jean-François Viens (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada)

70P/Kojima
2015 May  21, 22:40:08 UT: m1=17.0 CCD + R filter, Dia.=10″, DC=4; Alexander Baransky (Kyiv comet station MPC 585, Ukraine)
2015 May  05, 22:43:58 UT: m1=15.6 CCD + R filter, Dia.=17″, DC=6; Alexander Baransky (Kyiv comet station MPC 585, Ukraine)
2015 Apr. 20.96 UT: m=16.5 CCD + R filter, Dia.=12″, DC 3; 70-cm f/4 L + CCD; Alexander Baransky (Kyiv comet station MPC 585, Ukraine)
2015 Apr. 10.96 UT: m=15.9 CCD + R filter, Dia.=15″, Tail=1′ in PA: 321 deg.; 70-cm f/4 L + CCD; Alexander Baransky (Kyiv comet station MPC 585, Ukraine)
2015 Apr. 09.93 UT: m1=16.2: CCD Dia.=&0.7′; 0.7-m f/4.0 reflector + CCD; S. Nazarov & T. Prystavski (Crimean Astrophysical Observatory, MPC 095 (Crimea-Nauchnij)
2015 Mar. 28.46 UT: m1=15.6 CCD, Dia.=0.5′; [T20] 0.1-m f/5.0 astrograph + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, H06 remotely from Mayhill, U.S.A.)
2015 Mar. 24.06 UT: m=15.3 CCD + R filter, Dia.=30″,DC=5, Tail=4′ in PA: 280 deg.; 70-cm f/4 L + CCD; Alexander Baransky (Kyiv comet station (MPC 585), Ukraine)
2015 Mar. 18.90 UT: m1=15.2, Dia.=0.3′, DC=3; 50.8 cm L (307x) ; Sandor Szabo (Sopron, Hungary)
2015 Mar. 17.08 UT: m=15.3 CCD + R filter, Dia.=27″, FanTail=1′ in PA: 220-317 deg.; 70-cm f/4 L + CCD; Alexander Baransky (Kyiv comet station (MPC 585), Ukraine)
2015 Feb. 18.03 UT: m1=15.8 CCD + R filter, Dia.=28″, DC 5, Tail=1’20” in PA: 296 deg.; 70-cm f/4 L + CCD; Alexander Baransky (Kyiv comet station MPC 585, Ukraine)
2015 Feb. 15.43 UT: m1=15.8 CCD, Dia.=0.5′; [T20] 0.1-m f/5.0 astrograph + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, H06 remotely from Mayhill, U.S.A.)
2015 Feb. 11.12 UT: m1=15.9 CCD + R filter, Dia.=24″, Tail 1′ in PA 299 deg.; 70-cm f/4 L + CCD; Alexander Baransky, Kyiv comet station (MPC 585), Ukraine)
2015 Jan. 17.54 UT: m1=15.7 CCD, Dia.=0.5′; [T20] 0.1-m f/5.0 astrograph + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, H06 remotely from Mayhill, U.S.A.)
2014 Jan. 15.11 UT: m1=16.7 CCD + R filter, Dia.=13″, DC 5; 70-cm f/4 L + CCD; Alexander Baransky (Kyiv comet station MPC 585, Ukraine)
2014 Dec. 20.43 UT: m1=16.3 CCD, Dia.=0.4′, Tail=0.8′ in PA: 282 deg.; [T20] 0.1-m f/5.0 astrograph + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, H06 remotely from Mayhill, U.S.A.)
2014 Nov. 25.49 UT: m1=16.7 CCD, Dia.=0.24′, Tail=0.5′ in PA: 297 deg.; [T20] 0.1-m f/5.0 astrograph + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, H06, remotely from Mayhill, U.S.A.)

67P/Churyumov-Gerasimenko
2015 Nov. 20.73 UT: m1=12.5, Dia.=1.6′, DC=3; 40.0-cm L f/4.5 (144x); Seiichi Yoshida (Gunma, Japan)
2015 Nov. 12.09 UT: m1=13.3, Dia.=0.9′, DC=3, Tail=1.2’ long to PA: 160 deg.; 60.3-cm L (305x); Sandor Szabo (Sopron, Hungary)
2015 Oct. 15.14 UT: m1=11.7, Dia.=1.3′, DC=3; 20-cm SCT (100x); Juan José González (Alto del Castro, alt. 1720 m, León, España) [Altura sobre el horizonte: 16º. Estrellas de comparación tomadas de la fotometría APASS cercana al cometa. Cielo muy claro de montaña]
2015 Oct. 11.78 UT: m1=13.0, Dia.=1.0′, DC=3; 40.0-cm L f/4.5 (144x); Seiichi Yoshida (Gunma, Japan)
2015 Sep. 28.48 UT: m1=11.8: CCD, Dia.=&1.4′, Tail=&1.5′ in PA: 305 deg.; [T20] 0.1-m f/5.0 astrograph + CCD; A. Novichonok & T. Prystavskiv(iTelescope observatory, H06 remotely from Mayhill, U.S.A.) [interference by Moon: Moon phase 1.00, altitude 23 deg.]
2015 Sep. 25.50 UT: m1=11.5, Dia.=0.8′, DC=5; 35.5-cm (93x); Carl Hergenrother (Tucson, AZ, USA)
2015 Sep. 21.77 UT: m1=11.1, Dia.=1.6′, DC=5; 40.0-cm L f/4.5 (144x); Seiichi Yoshida (Gunma, Japan)
2015 Sep. 18.13 UT: m1=11.6, Dia.=1.2′, DC=4; 32.0-cm L f/5 (96x); Uwe Pilz (Leipzig, Germany)
2015 Sep. 13.48 UT: m1=12.0 CCD, Dia.=1.4′, Tail=4.0′ in PA: 287 deg.; [T20] 0.1-m f/5.0 astrograph + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, H06 remotely from Mayhill, U.S.A.)
2015 Sep. 13.10 UT: m1=12.5, Dia.=1.0′, DC=5; 60.3-cm L (87x); Sandor Szabo (Sopron, Hungary) [Tail is 1’ long to the East, starlike false nuceus is 14.5 mag]
2015 Sep. 08.16 UT: m1=11.2, Dia.=1.1′, DC=5; 20-cm SCT (100x); Juan José González (Alto del Castro, alt. 1720 m, León, España) [Cierta interferencia de la luz lunar. Altura sobre el horizonte: 20º. Cielo muy claro de montaña]
2015 Aug. 26.46 UT: m1=11.9: CCD, Dia.=&1.4′, Tail=2.4′ in PA: 278 deg.; [T20] 0.1-m f/5.0 astrograph + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, H06 remotely from Mayhill, U.S.A.)
2015 Aug. 23.84 UT: m1=12.1 (Tri-G), Dia.=1.0′; Nikon 5200 + 135-mm lens; Artyom Novichonok (Konchezero, Russia)
2015 Aug. 21.09 UT: m1=11.4, Dia.=1.5′, DC=3, Tail= — PA: 342 deg.; 32.0-cm L f/5 (120x); Uwe Pilz (Leipzig, Germany)
2015 Aug. 19.17 UT: m1=12.2, Dia.=0.7′, DC=5; 20-cm SCT (133x); Juan José González (Cueto Rosales, alt. 1420 m, León, España) [Movimiento seguido durante 30 minutos. Estrellas de comparación de la fotometría APASS cercana al cometa. Estrellas de campo comprobadas en el DSS. Luz Zodiacal. Comienzo del crepúsculo astronómico. Altura sobre el horizonte: 23º. Cielo muy claro de montaña]
2015 Aug. 16.97 UT: m1=12.2 CCD, Dia.=0.7′, Tail=0.6′ in PA: 284 deg.; 0.07-m f/6 refractor + CCD; A. Novichonok, K. Nezgovorov & T. Prystavski (Petrozavodsk State University Observatory, C30 Sheltozero Stn., Russia)
2015 Aug. 15.08 UT: m1=12.8, Dia.=0.8′, DC=4; 60.3-cm L (187x); Sandor Szabo (Sopron, Hungary)
2015 Aug. 13.80 UT: m1=12.4, Dia.=0.8’, DC=3/; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Close to mag 12.2 star, 0.8’ away in P.A. 253°; Coma diffuse with moderately condensed centre, does not enhance in Swan Band filter, no tail. Low altitude – 12.4°, slight twilight and zodiacal light interference]
2015 Aug. 11.79 UT: m1=12.6, Dia.=1.0’, DC=3; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma small, circular in appearance and diffuse with slightly brighter central condensation. No tail. Low altitude = 11.3°; Moonlight, zodiacal light interference. Coma does not enhance in Swan Band filter]
2015 July 26.84 UT: m1=13.4: CCD Dia.=&0.3′; [T31] 0.50-m f/6.8 astrograph + CCD + focal reducer; A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely from Siding Spring, Australia) [morning twilight: Sun alt. -11 deg.]
2015 July 22.05 UT: m1=13.1, Dia.=0.6′, DC=4; 60.3 cm L (244x); Sandor Szabo (Sopron, Hungary)
2015 June 27.81 UT: m1=14.0, Dia.=0.6’, DC=2/; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma very diffuse, difficult due to seeing conditions and zodiacal light interference; limiting magnitude= 14.5. Opaque inner coma, even surface brightness with faint outer coma. Altitude = 20.9°]
2015 June 22.81 UT: m1=14.2, Dia.=0.5’, DC=2/; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Very difficult; zodiacal light ineteference, limiting magnitude= 14.5. Observed over a split 35 minute period, visible in good seeing. Altitude= 21.3°]
2015 May  05.77 UT: m1=[13.0; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Moonlight; Fainter than mag 13 star; Altitude = 12.1°; Limiting magnitude = 13.0. Conditions clear with below average seeing at comet altitude]
2010 Feb. 20.38 UT: m1=18.4 ccd, Dia.=0.70′, DC=0/; 0.36-m L f/3.8 + CCD; Sergey Shurpakov (Baran’, Belarus)

65P/Gunn
2016 May  12.88 UT: m1=16.4 CCD, Dia.=0.46′, DC=9; 15-cm L+CCD; Sergey Shurpakov (Baran’, Belarus)
2016 Apr. 29.83 UT: m1=16.6 CCD, Dia.=0.21′, DC=8/; 0.25-m Newton+CCD; Sergey Shurpakov (Baran’, Belarus)
2016 Apr. 23.94 UT: m1=16.5 CCD, Dia.=0.37′, DC=8 ; 15-cm L; Sergey Shurpakov (Baran’, Belarus)
2016 Apr. 15.99 UT: m1=16.4 CCD, Dia.=0.37′, DC=8/; 15-cm L; Sergey Shurpakov (Baran’, Belarus)
2015 Mar. 24.00 UT: m1=17.9 CCD + R filter, Dia.=13″, DC 2; 70-cm f/4 L + CCD; Alexander Baransky (Kyiv comet station MPC 585, Ukraine)
2015 Mar. 16.98 UT: m1=17.3 CCD + R filter, Dia.=8″, DC 8; 70-cm f/4 L + CCD; Alexander Baransky (Kyiv comet station MPC 585, Ukraine)
2015 Mar. 10.93 UT: m1=17.6 CCD + R filter, Dia.=8″, DC 8. FanTail=26″ in PA: 232-349 deg.; 70-cm f/4 L + CCD; Alexander Baransky (Kyiv comet station MPC 585, Ukraine)
2015 Feb. 17.04 UT: m1=18.0 CCD + R filter, Dia.=7″, DC 8; 70-cm f/4 L + CCD; Alexander Baransky (Kyiv comet station MPC 585, Ukraine)
2010 Nov. 08.43 UT: m1=14.7, Dia.=0.5’, DC=2; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [No tail, dim with small central condensation visible using averted vision in good seeing. Comp Star= GSC-6932-0121; Method= S; Cat= HS]
2010 Oct. 27.44 UT: m1=13.9, Dia.=1′, DC=0/1; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma very diffuse, visible using averted vision, no tail. Comp Star= GSC-6934-0698; Method=S; Cat= HS]
2010 Out. 26.979 UT: m1=13.6:, Dia.=0.2′, DC=7; 22cm L f:6.5 (230x); Marco Goiato (Araçatuba, Brasil)
2010 Sep. 10.97 UT: m1=13.0:; 18cm L (160x); Alexandre Amorim (Florianopolis, Brazil) [ASAS]
2010 Sep. 09.94 UT: m1=13.0:, DC=8/; 18cm L (160x); Alexandre Amorim (Florianopolis, Brazil) [ASAS]
2010 Sep. 06.39 UT: m1=13.8, Dia.=0.5’, DC=2/3; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma very small, averted vision, close to bright star. Comp Star= GSC-7460-1503; Method= S; Cat= HS]
2010 Sep. 02.37 UT: m1=13.9, Dia.=1.5’, DC=2; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [No tail, coma small and diffuse, close to bright stars. Comp Star= GSC-7460-1369; Method= S; Cat= HS]
2010 Ago. 07.93 UT: m1=12.3, Dia.=1′, DC=3, no cola; 23.5cm SCT (138x); Carlos Labordena (Castellón, España)
2010 Ago. 07.125 UT: m1=11.7, Dia.=1′, DC=4; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2010 Ago. 06.98 UT: m1=11.7, Dia.=1.2′, DC=3/; 20 cm SCT (100x); Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España) [Altura: 14º]
2010 Aug. 06.97 UT: m1=11.5:; 18cm L (57x); Alexandre Amorim (Florianopolis, Brazil)
2010 Aug. 04.38 UT; m1= 12.2, Dia.=3’, DC=1/2; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [No tail, coma diffuse, bright star nearby. Comp Star= GSC-7462-0351; Method= S; Cat= HS]
2010 Jul. 18.208 UT: m1=11.5, Dia.=1′, DC=4; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2010 Jul. 18.13 UT: m1=11.5, Dia.=1.5′, DC=4; 20 cm SCT (133x); Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España) [Altura: 15º]
2010 Jul. 17.59 UT: m1=11.8, Dia.=3′; 25.4cm L (71x); David A. J. Seargent (Cowra, NSW, Australia)
2010 Jul. 15.00 UT: m1=11.5:; 18cm L (160x); Alexandre Amorim (Florianopolis, Brazil)
2010 Jul. 14.14 UT: m1=11.5:; 18cm L (160x); Alexandre Amorim (Florianopolis, Brazil)
2010 Jul. 10.48 UT: m1=12.7, Dia.=2.5′; 15cm L + CCD; Artyom Novichonok (remotely Moorook, S. Australia)
2010 Jul. 10.07 UT: m1=11.5, Dia.=1.5′, DC=4; 20 cm SCT (100x); Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España) [Altura: 17º]
2010 Jul. 09.271 UT: m1=11.9:, Dia.=1′, DC=4; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil) [próximo a estrela com m1:12.1]
2010 Jul. 06.15 UT: m1=11.5, Dia.=1′, DC=6; 18cm L (160x); Alexandre Amorim (Florianopolis, Brazil)
2010 Jul. 05.30 UT: m1=11.5:, Dia.=0.5′, DC=6; 18cm L (160x); Alexandre Amorim (Florianopolis, Brazil)
2010 June 20.42 UT: m1=13.2 ccd, Dia.=1.6′, Tail=7′; 35.5 cm L +CCD; Artyom Novichonok & Dimitry Chestnov (remotely Mayhill, USA)
2010 Jun. 18.07 UT: m1=11.9, Dia.=1.2′, DC=4; 20 cm SCT (133x); Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España) [Altura: 13º]
2010 Jun. 12.312 UT: m1=12.6, Dia.=0.5′, DC=4; 22cm L f:6.5 (230x); Marco Goiato (Araçatuba, Brasil)
2010 Jun. 10.39 UT: m1=14.2 ccd, Dia.=0.56′, DC=7/, tail 5.6′ in PA:256 deg.; 36cm L f/3.8 +CCD; Sergey Shurpakov (Baran’, Belarus)
2010 May. 22.12 UT: m1=12.3, Dia.=1.2′, DC=3/; 20cm SCT (133x); Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España) [Altura: 14º]
2010 May. 11.79 UT: m1=13.3, Dia.=0.6’, DC=3; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Close to bright star, no tail. Comp Star= GSC-6926-1107; Method= S; Cat= HS]
2010 May. 10.75 UT: m1=13.5, Dia.=0.6’, DC=3/4; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [No tail, glimpses of tight central condensation in small coma using averted vision. Comp Star= GSC-6926-1386; Method= S; Cat= HS]
2010 Apr. 22.75 UT: m1=14.4, Dia.=0.5’, DC=1/2; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [No tail, coma small and diffuse, bright star nearby, averted vision. Comp Star= GSC-6912-0469; Method= S; Cat= HS]
2010 Mar. 25.72 UT: m1=13.4, Dia.=0.7’, DC= 0/1; 25cm L f:5 (139x); Chris Wyatt (Walcha, NSW, Australia) [Coma very faint and diffuse using averted vision, no tail. Comp Star= GSC-6894-2556; Method= S; Cat= HS]
2010 Mar. 23.72 UT: m1=13.6, Dia.=0.6’, DC= 0/1; 25cm L f:5 (139x); Chris Wyatt (Walcha, NSW, Australia) [No tail, only visible using averted vision. Comp Star= GSC-6894-2630; Method= S; Cat= HS]
2010 Mar. 18.74 UT: m1=13.8; Dia.=0.75’, DC=1/2; 25cm L f:5 (139x); Chris Wyatt (Walcha, NSW, Australia) [No tail, very diffuse, visible using averted vision. Comp Star= GSC-6893-0637; Method= S; Cat= HS]

63P/Wild 1
2013 Aug. 03.39 UT: m1=13.1: CCD, Dia.=&2.5′; 0.11m f/5.0 refractor + CCD; A. Novichonok & T. Prystavski (iTelescope observatory Q62. Remotely Siding Spring, Australia)
2013 Jul. 29.37 UT: m1=12.6: CCD, Dia.=&3.8′; 0.32-m f/7.4 Ritchey-Chretien + CCD; A. Novichonok & T.Prystavski (iTelescope observatory Q62. Remotely Siding Spring, Australia)
2013 Jul. 08.37 UT: m1=14.6 CCD, Dia.=1.36′; 0.11m f/5.0 refractor + CCD; A. Novichonok & T.Prystavski (iTelescope observatory Q62. Remotely Siding Spring, Australia)
2013 Jun. 06.15 UT: m1=[11.5, [negativo]; 15cm SCT (187x); Salvador Aguirre (Hermosillo, Sonora, Mexico)
2013 Jun. 03.93 UT: m1=10.3, Dia.=6′, DC=1/; 20cm SCT (77x); Juan José González (Alto del Castro – Aralla, alt. 1720 m, León, España) [Después del outburst ocurrido a mediados de Mayo, el cometa muestra en la actualidad visualmente una coma amplia y difusa, con débil región externa. Cielo muy claro de montaña.]
2013 May. 28.08 UT: m1=15.1 CCD, Dia.=0.3’; CCD images unfiltered; Clermont Vallière (Cd’OA des Monts Notre-Dame, Québec, Canada)
2013 May 17.45 UT: m1=12.6, Dia.=1.7’, DC=2/3; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Averted vision, Moonlight, does not enhance using Swan Band filter, transparency average and seeing average to poor. Comet was easily visible at 156x.]
2013 May 11.89 UT: m1=11.9, Dia.=1.7′, DC=4; 30cm L f/5 (60x); Mieczyslaw Leszek Paradowski (Dabrowa, Poland) [Cat.(AQ), comet alt. 25 deg]
2013 May. 07.09 UT: m1=14.5 CCD, Dia.=0.5’; Measures taken on CCD images unfiltered; Clermont Vallière (Cd’OA des Monts Notre-Dame, Québec, Canada)
2013 May. 05.07 UT: m1=15.5 CCD, Dia.=0.3’; Measures taken on CCD images unfiltered; Clermont Sallière (Cd’OA des Monts Notre-Dame, Québec, Canada)
2013 May 03.88 UT: m1=11.8, Dia.=1.5′, DC=0; 32cm L f/5 (72x); Uwe Pilz (Leipzig, Germany)
2013 May. 02.07 UT: m1=14.5, DC=4; Visual Aperture 36″ F/3.5; Jean-François Viens (Cd’OA des Monts Notre-Dame, Québec, Canada)
2013 May. 01.96 UT: m1=12.2, Dia=1.5′, DC=4; 22cm L (160x); Marco Goiato (Araçatuba, Brasil)
2013 Avr. 22.12 UT: m1=15.4 CCD, Dia.=0.3’; Measures taken on CCD images unfiltered; Clermont Vallière (Cd’OA des Monts Notre-Dame, Québec, Canada)
2013 Avr. 18.09 UT: m1=14.7 CCD, Dia.=0.3’; Measures taken on CCD images unfiltered; Clermont Vallière (Cd’OA des Monts Notre-Dame, Québec, Canada)
2013 Apr. 13.87 UT: m1=13.2, Dia.=1.1’, DC=5; 50.8cm reflector (189x); Sandor Szabo (Hungary) [Very close to some bright star, hard to estimate]
2013 Apr. 12.15 UT: m1=[12.0; 15cm SCT (37x); Salvador Aguirre (Hermosillo, Sonora, Mexico)
2013 Apr. 11.04 UT: m1=11.5, Dia.=1.5′, DC=4; 22cm L (160x); Marco Goiato (Araçatuba, Brasil)
2013 Abr. 07.15 UT: m1=12.5, Dia.=1.5′, DC=3, no cola; 23.5cm SCT (94x); Carlos Labordena (Castellón, España)
2013 Mar. 31.11 UT: m1=14.6 CCD, Dia.=0.4’; Measures taken on CCD images unfiltered; Clermont Vallière (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada) [comparison star 3UCAC 227-100028 mag.=14.94]
2013 Mar. 30.94 UT: m1=11.0, Dia.=3′, DC=2/; 20cm SCT (77x); Juan José González (Granja de Moreruela, alt. 705 m, Zamora, España) [Diffuse coma with faint outer region]
2013 Mar. 30.12 UT: m1=13.2 CCD, Dia.=0.8’; Measures taken on CCD images unfiltered; Clermont Vallière (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada) [comparison star 3UCAC 228-101617 mag.=14.57]
2013 Mar. 17.16 UT: m1=14.5 CCD, Dia.=0.5’; Measures taken on CCD images unfiltered; Clermont Vallière (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada) [comparison star 3UCAC 236-101645 mag.=15.27]
2013 Mar. 16.21 UT: m1=13.5 CCD, Dia.=0.5’; Measures taken on CCD images unfiltered; Clermont Vallière (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada) [This unusual value has been evaluated three time with similar values; error in picture or slight outburst??. Comparison star 3UCAC 236-101688 mag.=14.45]
2013 Mar. 15.04 UT: m1=14.5 CCD, Dia.=0.5’; Measures taken on CCD images unfiltered; Clermont Vallière (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada) [comparison star 3UCAC 238-100795 mag.=14.46]
2013 Mar. 14.23 UT: m1=14.3 CCD, Dia.=0.5’; Measures taken on CCD images unfiltered; Clermont Vallière (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada) [comparison star 3UCAC 238-100831 mag.=14.60]
2013 Mar. 10.31 UT: m1=13.7, DC=4; Visual, 36″ f/3.5; Jean-François Viens (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada)
2013 Mar. 06.00 UT: m1=12.3, Dia.=1′, DC=7; 25cm L (77x); Maciej Macidym (Chlebna, Poland) [Visible only center condensation, not visible outer coma. NELM=6.3mag]
2013 Mar. 04.98 UT: m1=11.8, Dia.=2.5′, DC=2/3; 25cm L(77x); Maciej Macidym (Chlebna, Poland) [Visible outer coma and small, fuzzy center condensation. NELM = 6.8mag]
2013 Mar. 04.87 UT: m1=13.7, Dia.=1.0’, DC=5; 50.8cm reflector (250x); Sandor Szabo (Sopron, Hunagry)
2013 Mar. 01.85 UT: m1=11.2, Dia.=3.5′, DC=2/; 20cm SCT (77x); Juan José González (Piedrafita de Babia, alt. 1240 m, León, España) [Más brillante que lo previsto. Coma difusa con débil región externa. Cielo muy claro de montaña]
2013 Feb. 28.80 UT: m1=13.9, Dia.=0.4′, DC=4; 40cm reflector (250x); Sandor Szabo (Sopron, Hunagry)
2013 Feb. 17.44 UT: m1=13.6, Dia.=0.8′, DC=5; 30.5cm L (188x); Todd Augustyniak (Woodstock, Illinois, USA)
2013 Jan. 11.88 UT: m1=15.7, Dia.=0.2′, DC=8; 50.8cm L (307x); Sandor Szabo (Hungary) [Seen only with averted vision, but my friend Zoltan Toth has also confirmed the view. Nearly starlike, motion could not be checked because the comet is on stationary position. Limiting magnitude in field is 16.8. Checked only in DSS.]

61P/Shajn-Schaldach
2015 Nov. 11.96 UT: m1=14.5, Dia.=0.6′, DC=1; 50.8-cm L (307x); Sandor Szabo (Sopron, Hungary)
2015 Oct. 06.73 UT: m1=15.2 CCD, Dia.=0.6′, Tail=&2.8′ in PA: 257 deg.; [T31] 0.50-m f/6.8 astrograph + CCD + focal reducer; A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely from Siding Spring, Australia)
2015 Sep. 13.41 UT: m1=14.9 CCD, Dia.=0.6′, Tail=&1.6′ in PA: 257 deg.; [T20] 0.1-m f/5.0 astrograph + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, H06 remotely from Mayhill, U.S.A.)
2015 Sep. 12.97 UT: m1=15.3, Dia.=0.6′, DC=2; 60.3-cm L (305x); Sandor Szabo (Sopron, Hungary)
2015 Aug. 22.65 UT: m1=15.8 CCD, Dia.=0.5′, Tail=1.6′ in PA: 255 deg.; [T31] 0.50-m f/6.8 astrograph + CCD + focal reducer; A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely from Siding Spring, Australia)
2015 July 22.15 UT: m1=16.4: CCD, Dia.=0.4′ Tail=1.8′ in PA: 259 deg.; [T16] 0.15-m f/7.3 refractor + CCD; A. Novichonok & T. Prystavski (AstroCamp Observatory, I89 remotely from Nerpio, Spain)
2015 July 22.03 UT: m1=[15.5, NEGATIVE; 60.3 cm L (406x); Sandor Szabo (Sopron, Hungary)

57P/du Toit-Neujmin-Delporte
2015 Oct. 10.65 UT: m1=15.3 CCD, Dia.=0.8′, Tail=&1.0′ in PA: 247 deg.; [T31] 0.50-m f/6.8 astrograph + CCD + focal reducer; A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely from Siding Spring, Australia)
2015 Sep. 13.06 UT: m1=15.1, Dia.=0.6′, DC=2; 60.3-cm L (244x); Sandor Szabo (Sopron, Hungary)
2015 Aug. 19.99 UT: m1=16.4: CCD, Dia.=&0.2′; 0.08-m f/7.5 refractor + CCD; A. Novichonok, T. Prystavski (Konchezero Stn., Republic of Karelia, Russia)
2015 Aug. 16.96 UT: m1=15.7: CCD, Dia.=0.4′; 0.07-m f/6 refractor + CCD; A. Novichonok, K. Nezgovorov & T. Prystavski (Petrozavodsk State University Observatory, C30 Sheltozero Stn., Russia)
2015 July 25.14 UT: m1=15.2 CCD, Dia.=0.7′ Tail=3.4′ in PA: 246 deg.; [T16] 0.15-m f/7.3 refractor + CCD; A. Novichonok & T. Prystavski (AstroCamp Observatory, I89 remotely from Nerpio, Spain)
2015 July 21.99 UT: m1=15.3, Dia.=0.3′, DC=3; 60.3 cm L (305x); Sandor Szabo (Sopron, Hungary)
2015 July 12.00 UT: m1=14.6, Dia.=1.0′, DC=4; 35-cm L (178x); Jakub Černý (Zachotin, Czech Republic)
2015 Apr. 24.78 UT: m1=17.2: CCD, Dia.=0.2′, Tail=0.4′ in PA 244 deg; [T17] 0.43-m f/6.8 astrograph + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely Siding Spring, Australia)
2015 Apr. 01.80 UT: m1=16.6: CCD, Dia.=0.25′; [T17] 0.43-m f/6.8 astrograph + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely Siding Spring, Australia)

56P/Slaughter-Burnham
2016 Oct. 31.93 UT: m1=15.5, Dia.=0.3′, DC=4; 60-cm L (305x); Sandor Szabo (Sopron, Hungary)
2016 Sep. 30.94 UT: m1=15.0, Dia.=0.3’, DC=3; 60-cm L (407x); Sandor Szabo (Sopron, Hungary)
2016 Sep. 08.91 UT: m1=15.6 CCD, Dia.=0.24′, DC=8, Tail=1.2′ in PA: 262 deg.; 0.25-m L f/4.7 + CCD; Sergey Shurpakov (C36, Baran’, Belarus)
2016 Sep. 05.94 UT: m1=15.8 CCD, Dia.=0.25′, DC=8; 0.25-m L f/4.7 + CCD; Sergey Shurpakov (C36, Baran’, Belarus)
2016 Sep. 03.01 UT: m1=15.3 CCD, Dia.=0.32′, DC=8, Tail=1.6′ in PA: 257 deg.; 0.25-m L f/4.7 + CCD; Sergey Shurpakov (C36, Baran’, Belarus)
2016 Sep. 01.06 UT: m1=15.0, Dia.=0.2′, DC=6; 60-cm L (305x); Sandor Szabo (Hungary)
2016 Aug. 31.93 UT: m1=15.6 CCD, Dia.=0.26′, DC=8/, Tail=1′ in PA: 260 deg.; 0.25-m L f/4.7 + CCD; Sergey Shurpakov (C35, Baran’, Belarus)
2016 Aug. 13.91 UT: m1=16.5 CCD, Dia.=0.23′, DC=9; 0.25-m L f/4.7 + CCD; Sergey Shurpakov (C36, Baran’, Belarus)
2016 Aug. 13.02 UT: m1=16.4 CCD, Dia.=0.26′, DC=8/, Tail=1,18′ in PA=244 deg.; 25-cm L f/4.7 + CCD; Sergey Shurpakov (C36, Baran’, Belarus)
2016 Aug. 07.99 UT: m1=16.3 CCD, Dia.=0.40′, DC=8/, Tail=1,3′ in PA=253 deg.; 0.25-m L f/4.7 +CCD; Sergey Shurpakov (C36, Baran’, Belarus)
2016 July 30.91 UT: m1=16.4 CCD, Dia.=0.25′, DC=9; 0.25-m L f/4.7 +CCD; Sergey Shurpakov (C36, Baran’, Belarus)

53P/Van Biesbroeck
2016 Oct. 31.76 UT: m1=15.0 Dia.=0.7′, DC=3; 60-cm L (305x); Sandor Szabo (Sopron, Hungary)
2016 Oct. 25.42 UT: m1=14.4, Dia.=0.6’, DC=1; 25-cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma getting very difficult to see. Diffuse round patch. Close to 14th magnitude star]
2016 Oct. 24.42 UT: m1=14.3, Dia.=0.9’, DC=1; 25-cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma very diffuse, slight hint of central brightening]
2016 Oct. 23.42 UT: m1=14.3, Dia.=1’, DC=1; 25-cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Very diffuse coma, weakly condensed, no tail]
2016 Sep. 29.81 UT: m1=14.3, Dia.=0.5’, DC=3; 60-cm L (305x); Sandor Szabo (Sopron, Hungary)
2016 Sep. 28.43 UT: m1=14.0, Dia=1’, DC=2; 25-cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma small and diffuse, no tail. Sky slightly hazy from smoke]
2016 Sep. 26.42 UT: m1=13.5, Dia.=1’, DC=3; 25-cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma very diffuse and difficult, no tail]
2016 Sep. 01.51 UT: m1=14.0, Dia.=0.6′, DC=2; 40.0-cm L f/4.5 (257x); Seiichi Yoshida (Gunma, Japan)
2016 Aug. 30.90 UT: m1=13.9, Dia.=1.0′, DC=1; 35-cm L (178x); Jakub Černý (Senohraby, Czech Republic)
2016 Aug. 29.96 UT: m1=13.8, Dia.=0.5′, DC=3; 35-cm L (178x); Jakub Černý (Senohraby, Czech Republic)
2016 Aug. 28.91 UT: m1=13.4, Dia.=0.7′, DC=4; 30-cm L f/5 (167x); Mieczyslaw Leszek Paradowski (Dąbrowa, Poland)
2016 Aug. 27.95 UT: m1=13.8, Dia.=0.7′, DC=1/; 35-cm L (178x); Jakub Černý (Senohraby, Czech Republic)
2016 Aug. 26.95 UT: m1=13.5, Dia.=0.6′, DC=2; 35-cm L (178x); Jakub Černý (Senohraby, Czech Republic)
2016 Aug. 26.89 UT: m1=13.1, Dia.=0.64′, DC=5; 30-cm L f/5 (167x); Mieczyslaw Leszek Paradowski (Dąbrowa, Poland)
2016 Aug. 25.92 UT: m1=13.2, Dia.=0.7′, DC=2/; 35-cm L (178x); Jakub Černý (Senohraby, Czech Republic)
2016 Aug. 25.89 UT: m1=13.2, Dia.=0.7′, DC=1; 60-cm L (244x); Sandor Szabo (Hungary)
2016 Aug. 12.72 UT: m1=13.3, Dia.=1.4’, DC=6; 25-cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma diffuse with small faint stellar central condensation, opaque inner coma. Easily visible at x83]
2016 Aug. 08.53 UT: m1=13.4, Dia.=1.4’, DC=6; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma diffuse, brightens to an opaque inner coma with a faint stellar central condensation, m2= 14.8 approximately. Does not enhance in Swan Band filter, no tail visible. Coma visible at x39 but best observed at x83 due to faint stars nearby]
2016 Aug. 03.12 UT: m1=12.5, Dia.=1′, DC=4; 22-cm L (160x); Marco Antonio Coelho Goiato (Araçatuba, Brazil)
2016 July 31.42 UT: m1=13.5, Dia.=1’, DC=4; 25-cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma diffuse, moderately condensed centre, sometimes appears faintly stellar in good seeing. No tail]
2016 July 29.49 UT: m1=13.4, Dia.=0.6’, DC=3; 25-cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma very diffuse with slight brightening to centre]
2016 July 28.44 UT: m1=13.5, Dia.=0.7’, DC=2/; 25-cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma diffuse, slightly brighter in centre]
2016 July 25.41 UT: m1=13.6, Dia.=1’, DC=2/; 25-cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma small, diffuse with slight brightening to centre, no tail]
2016 July 03.02 UT: m1=12.9, Dia.=0.9′, DC=3; 20-cm SCT (133x); Juan José González (Alto del Castro – Aralla, alt. 1720 m, León, España) [Estrellas de comparación de la fotometría APASS]
2016 July 02.51 UT: m1=13.4, Dia.=0.8’, DC=3; 25-cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma small and opaque with slightly brighter centre. No tail. Faintly visible at x39, does not enhance in Swan band filter]
2016 June 28.53 UT: m1=13.5, Dia.=0.8’, DC=3; 25-cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Does not enhance in Swan Band filter; Outer coma faint and brightening slightly to weakly condensed inner coma. No tail. Sky hazy although transparent, ground fog present]
2016 June 08.74 UT: m1=14.4, Dia.=0.6’, DC=3; 25-cm L f:5 (166x); Chris Wyatt (Walcha, NSW, Australia) [Coma diffuse and weakly condensed; difficult to see except in periods of good seeing where it is easily viewed. No tail]
2016 May  08.07 UT: m1=14.3, Dia.=0.5′, DC=3; 60.0-cm L (300x); Sandor Szabo (Hakos, Namibia)
2016 May  03.09 UT: m1=15.4, Dia.=0.3′, DC=2; 40.0-cm L (225x); Sandor Szabo (Hakos, Namibia)
2015 May  25.92 UT: m1=16.8 CCD + R filter, Dia.=18″, DC=4, Tail=1′.2 in PA: 76 deg.; 70-cm f/4 L + CCD; Alexander Baransky (Kyiv comet station MPC 585, Ukraine) [Tail=curved CCW.]
2015 May  05.99 UT: m1=16.0 CCD + R filter,  Dia.=17″, DC=5; 70-cm f/4 L + CCD; Alexander Baransky (Kyiv comet station MPC 585, Ukraine) [Fan-like coma]
2015 Apr. 21.97 UT: m1=16.5 CCD + R filter, Dia.=10″, DC 5; 70-cm f/4 L + CCD; Alexander Baransky (Kyiv comet station MPC 585, Ukraine)
2015 Apr. 11.02 UT: m1=16.8 CCD + R filter, Dia.=9″, DC 7, Tail=1′ in PA: 336 deg.; 70-cm f/4 L + CCD; Alexander Baransky (Kyiv comet station MPC 585, Ukraine)
2015 Mar. 17.11 UT: m1=17.2 CCD + R filter, Dia.=9″, DC 6, Tail=15″ in PA: 335-83 deg.; 70-cm f/4 L + CCD; Alexander Baransky (Kyiv comet station MPC 585, Ukraine)
2015 Feb. 18.07 UT: m1=17.9 CCD + R filter, Dia.=9″, DC 5; 70-cm f/4 L + CCD; Alexander Baransky (Kyiv comet station MPC 585, Ukraine)

52P/Harrington-Abell
2014 Apr. 20.38 UT: m1=16.4 CCD, Dia.=0.38′; 0.50-m f/6.8 astrograph + CCD + focal reducer; A. Novichonok & T. Prystavski (iTelescope observatory, Q62. Remotely from Siding Spring, Australia))
2014 Mar. 30.21 UT: m1=16.3 CCD, Dia.=0.29′, Tail=0.5′ in PA 90 deg.; 0.43-m f/6.8 astrograph + CCD + f/4.5 focal reducer; A. Novichonok & T. Prystavski (iTelescope observatory, H06 (remotely Mayhill, U.S.A.)
2014 Mar. 28.82 UT: m1=[15.5, NEGATIVE…50.8cm L (307x); Sandor Szabo (Sopron, Hungary)
2014 Mar. 06.09 UT: m1=15.3 CCD, Dia.=0.38′, Tail=0.9′ in PA: 94 deg.; 0.43-m f/6.8 astrograph + CCD + f/4.5 focal reducer; A. Novichonok & T.Prystavski (iTelescope observatory, H06. Remotely Mayhill, U.S.A.)
2014 Jan. 19.08 UT: m1=14.7 CCD, Dia.=0.77′, Tail=0.7′ in PA 99 deg.; 0.43-m f/6.8 astrograph + CCD + f/4.5 focal reducer; A. Novichonok & T. Prystavski (iTelescope observatory, H06. Remotely Mayhill, U.S.A.)
2013 Dec. 31.38 UT: m1=14.8 CCD, Dia.=0.75′ Tail=0.7′ in PA 126 deg; [T21]0.43-m f/6.8 astrograph + CCD + f/4.5 focal reducer; A. Novichonok & T.Prystavski (iTelescope observatory, H06, remotely Mayhill, U.S.A.)
2013 Oct. 28.88 UT: m1=17.0 CCD; 0.40-m f/8 Ritchey-Chretien + CCD; V.Gerke & T.Prystavski (Ka-Dar observatory, TAU station C32, remotely Nizhniy Arkhyz, Russia)

51P/Harrington
2015 Jun. 13.81 UT: m1=16.3 CCD Dia.=0.4′ Tail=0.6′ in PA: 244 deg.; [T31] 0.50-m f/6.8 astrograph + CCD + focal reducer; A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely from Siding Spring, Australia)

50P/Arend
2015 Oct. 10.65 UT: m1=17.3 CCD; [T31] 0.50-m f/6.8 astrograph + CCD + focal reducer; A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely from Siding Spring, Australia)
2015 Aug. 18.50 UT: m1=17.9 CCD, Dia.=0.2′; [T31] 0.50-m f/6.8 astrograph + CCD + focal reducer; A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely from Siding Spring, Australia)

49P/Arend-Rigaux
2011 Dec. 23.82 UT: m1=[13.4, Dia.=1′; 13.0cm reflector; M.-T. Hui (Mt. Mulan, Wuhan, China) [LM around the region ~14.5 mag, but comet quite close to a mV=12.4 star]
2011 Dec. 23.21 UT: m1=11.2, Dia.=5′, DC=2, no cola; 23.5cm SCT(94x); Carlos Labordena (Castellón, España)
2011 Dic. 07.21 UT: m1=10.1, Dia.=8′, DC=2/; 20cm SCT (77x); Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España) [Coma elongada, amplia y difusa, cubriendo varias estrellas, siendo la más brillante de mag. 12.6 (GSC)]
2011 Dec. 06.22 UT: m1=10.9, Dia.=4′, DC=2, no cola; 20cm SCT(80x); Carlos Labordena (Castellón, España)
2011 Dez. 03.292 UT: m1=12.8, Dia.=1.5′, DC=2/; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2011 Nov. 29.45 UT: m1=[12.2; 25cm Reflector (48x); Salvador Aguirre (Hermosillo, Sonora, Mexico)
2011 Nov. 25.83 UT: m1=13.0, Dia.=1.2′, DC=4/; 40.0cm L f/4.5 (144x); Seiichi Yoshida (Gunma, Japan)
2011 Nov. 24.83 UT: m1=13.3, Dia.=1.2′, DC=3/; 40.0cm L f/4.5 (144x); Seiichi Yoshida (Gunma, Japan)
2011 Nov. 24.20 UT: m1=10.2, Dia.=6′, DC=2/; 20cm SCT (77x); Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España) [Coma elongada. Luz zodiacal]
2011 Nov. 23.41 UT: m1=[11.3; 25cm Reflector (120x); Salvador Aguirre (Hermosillo, Sonora, Mexico)
2011 Nov. 08.21 UT: m1=10.8, Dia.=5′, DC=2/; 20cm SCT (77x); Juan José González (El Fito – Sierra del Sueve, alt. 570 m., Asturias, España)
2011 Oct. 09.18 UT: m1=11.7, Dia.=3′, DC=3; 20cm SCT (77x); Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España) [Estrellas de campo comprobadas en el DSS. Cielo muy claro de montaña]
2011 Oct. 08.78 UT: m1=12.9, Dia.=1.1′, DC=5; 40cm L f/4.5 (144x); Seiichi Yoshida (Gunma, Japan)
2011 Oct. 07.78 UT: m1=12.9, Dia.=1.4′, DC=4; 40cm L f/4.5 (144x); Seiichi Yoshida (Gunma, Japan)
2011 Oct. 01.17 UT: m1=12.0, Dia.=2.5′, DC=3; 20cm SCT (133x); Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España) [Estrellas de campo comprobadas en el DSS]

48P/Johnson
2011 Ago. 01.05 UT: m1=14.2, Dia.=0.6′, DC=6; 20cm SCT (222x); Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España) [Estrellas de campo comprobadas en el DSS. Estrellas de comparación de la fotometría Henden cerca de GRB030723. Cielo muy claro de montaña]

45P/Honda-Mrkos-Pajdusakova
2016 Dec. 01.43 UT: m1=11.2, Dia.=1.5’, DC=2; 25-cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma enhances in Swan Band filter; Coma diffuse with slight brightening to centre, pale aqua-blue in colour. Slight twilight/zodiacal light interference; Low altitude = 14.9°]
2011 Dic. 07.23 UT: m1=10.5, Dia.=3′, DC=2/; 20cm SCT (100x); Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España) [Luz zodiacal]
2011 Nov. 25.83 UT: m1=13.5, Dia.=0.6′, DC=2; 40.0cm L f/4.5 (257x); Seiichi Yoshida (Gunma, Japan)
2011 Nov. 08.22 UT: m1=9.5, Dia.=5′, DC=3, Cola: 0.4º en AP 290º; 20cm SCT (77x); Juan José González (El Fito – Sierra del Sueve, alt. 570 m., Asturias, España) [Varias estrellas en la coma, la más brillante de mag. 11.6 (Tycho-2). Luz zodiacal. Altura sobre el horizonte: 22º]
2011 Nov. 01.48 UT: m1=11.0, Dia.=4´, DC=4, Tail: no visible; 25cm Reflector (48x); Salvador Aguirre (Hermosillo, Sonora, Mexico)
2011 Oct. 30.19 UT: m1=9.2, Dia.=3.5′, DC=3/, Cola: 0.2º en AP 290º; 20cm SCT (77x); Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España) [Luz zodiacal. Altura sobre el horizonte: 10º. Cielo muy claro de montaña]
2011 Oct. 09.22 UT: m1=7.5, Dia.=4′, DC=7/; 10×50 B; Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España) [En 20cm SCT (77x): Cola de 1.9º en AP 300º. Altura sobre el horizonte: 19º. Luz zodiacal. Crepúsculo astronómico. Cielo muy claro de montaña]
2011 Oct. 08.81 UT: m1=8.0, Dia.=3.5′, DC=7/; 40cm L f/4.5 (36x); Seiichi Yoshida (Gunma, Japan)
2011 Oct. 07.80 UT: m1=8.0, Dia.=1.9′, DC=8; 40cm L f/4.5 (36x); Seiichi Yoshida (Gunma, Japan)
2011 Out. 07.333 UT: m1=7.6, Dia.=4′, DC=5/; 20×100 B; Marco Goiato (Araçatuba, Brasil) [cometa a 10º de altura, crepúsculo náutico]
2011 Out. 04.333 UT: m1=7.3, Dia.=4′, DC=6; 20×100 B; Marco Goiato (Araçatuba, Brasil) [cometa a 9º de altura]
2011 Oct. 01.21 UT: m1=7.2, Dia.=4′, DC=7, Cola: 0.6º en AP 290º; 25×100 B; Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España) [Luz zodiacal. Altura sobre el horizonte: 16º. Una menor transparencia atmosférica a baja altura no permitió observar mayor longitud de cola]
2011 Sep. 25.18 UT: m1=6.6, Dia.=5′, DC=6; 10×50 B; Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España) [En 20cm SCT (77x): Cola de 0.6º en AP 280º. Altura sobre el horizonte: 9º. Estrellas de comparación a la misma altura que el cometa. Alguna interferencia de la cercana Luna (fase 0.07). Luz zodiacal. Cielo muy claro de montaña]
2011 Aug. 14.36 UT: m1=8.0, Dia.=3′, DC=3; 20×80 B; Willian Souza (Sao Paulo, Brazil) [Moon ~12 deg high]
2011 Aug. 13.36 UT: m1=8.1, Dia.=3′, DC=3; 20×80 B; Willian Souza (Sao Paulo, Brazil) [Moon ~3 deg high]
2011 Ago. 11.354 UT: m1=8.9, Dia.=12′, DC=1/; 22cm L f:6.5 (60x); Marco Goiato (Araçatuba, Brasil) [Pouca ou nenhuma melhora com filtro de cometa]
2011 Ago. 09.146 UT: m1=9.5:, Dia.=7′, DC=2; 22cm L f:6.5 (60x); Marco Goiato (Araçatuba, Brasil) [Luar]
2011 Ago. 08.07 UT: m1=9.2, Dia.=8′, DC=2/; 20cm SCT (77x); Juan José González (Pandorado, alt. 1190 m., León, España) [Cielo muy claro de montaña. Estrellas de comparación a la misma baja altura (6º) sobre el horizonte que el cometa]
2011 Aug. 08.05 UT: m1=10.0; 18cm L (57x); Alexandre Amorim (Florianopolis, Brazil) [moonlight and nebulosity]
2011 Aug. 07.12 UT: m1=10.5:; 18cm L (57x); Alexandre Amorim (Florianopolis, Brazil) [moonlight and nebulosity]
2011 Aug. 06.04 UT: m1=10.7, Dia=2′, DC=5; 18cm L (57x); Alexandre Amorim (Florianopolis, Brazil) [moonlight interference]
2011 Aug. 05.14 UT: m1=11.0:; 18cm L (57x); Alexandre Amorim (Florianopolis, Brazil)
2011 Aug. 04.16 UT: m1=11.5, Dia.=1′; 18cm L (57x); Alexandre Amorim (Florianopolis, Brazil)
2011 Ago. 04.104 UT: m1=10.9, Dia.=4′, DC=1/; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2011 Ago. 04.08 UT: m1=9.8, Dia.=8′, DC=2/; 20cm SCT (77x); Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España) [Cielo muy claro de montaña. Altura sobre el horizonte: 15º]
2011 Aug. 03.75 UT: m1=[9.4; 20×80 B; Artyom Novichonok (Nam Cat Tien National Park, Vietnam)
2011 Aug. 03.52 UT: m1=11.0, Dia.=3′, DC=1; 20cm L (67x); Michael Mattiazzo (Castlemaine, Victoria) [Tycho 2 VT comparison stars. First positive observation. Very diffuse. Good conditions]
2011 Aug. 03.08 UT: m1=11.2:; 18cm L (57x); Alexandre Amorim (Florianopolis, Brazil)
2011 Ago. 03.06 UT: m1=11.6, Dia.=3′, DC=3, no cola; 23.5cm SCT(94x); Carlos Labordena (Castellón, España)
2011 Aug. 02.80 UT: m1=10.6, Dia.=3.4′, DC=2/; 20cm reflector; M.-T. Hui (Canton, China) [city lights]
2011 Aug. 01.80 UT: m1=10.4, Dia.=2′.8, DC=3; 20.0-cm L (48x); M.-T. Hui (Canton, China) [city lights; slight smog; motion noticeable during a spell of 30min]
2011 Ago. 01.10 UT: m1=10.7, Dia.=6′, DC=2/; 20cm SCT (133x); Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España) [Cielo muy claro de montaña. Altura sobre el horizonte: 18º]
2011 Jul. 31.02 UT: m1=13.1, Dia.=0.7′, DC=2; 51cm L5 (121x); José Carvajal (Madrid, España) [Método: S, Cat: NP]
2011 Jul. 30.250 UT: m1=11.8:, Dia.=2′, DC=2; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil) [Nuvens]
2011 Jul. 28.83 UT: m1=12.4:, Dia.=&2′, DC=2; 20.0-cm L (48x); M.-T. Hui (Canton, China) [city lights; suffering from abdominal pain]
2011 Jul 29.58 UT; m1= 13.1; Dia= 1.2’; DC= 3/4; 25cm L, f:5 (x83); Chris Wyatt (Walcha, NSW, Australia) [Coma small, central condensation slightly brighter but smeared out, faint outer coma, no tail, averted vision, no enhancement with Swan Band filter. Comp Star= ASAS-3 220024_2707.5; Method= S; Cat= AU]
2011 Jul. 28.04 UT: m1=11.3, Dia.=5′, DC=2/; 20cm SCT (133x); Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España) [Cometa significativamente más brillante que lo previsto. Coma de 5′ con débil y difusa región exterior. Observación realizada desde localidad de montaña, con muy buen seeing. Movimiento seguido durante 75 min. Estrellas de campo comprobadas en el DSS. Magnitud límite estelar cerca del cometa: 15.3 (GSC)]

44P/Reinmuth
2014 Sep. 11.37 UT: m1=16.8: CCD; [T9] 0.32-m f/7.4 Ritchey-Chretien + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, Q62, remotely from Siding Spring, Australia) [comet overlaid on a faint star; estimate is approximate]
2015 Aug. 27.77 UT: m1=17.8 CCD, Dia.=0.2′, Tail=0.2′ in PA: 258 deg.; [T31] 0.50-m f/6.8 astrograph + CCD + focal reducer; A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely from Siding Spring, Australia)
2015 Aug. 19.93 UT: m1=17.2: CCD, Dia.=&0.2′; 0.08-m f/7.5 refractor + CCD; A. Novichonok, T. Prystavski  Konchezero Stn., Republic of Karelia, Russia

43P/Wolf-Harrington
2016 Dec. 01.68 UT: m1=13.1, Dia.=1’, DC=3; 25-cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma diffuse, slight brightening to centre. Coma centre appears slightly offset to the East]
2016 Nov. 30.22 UT: m1=10.3, Dia.=4′, DC=2; 20-cm SCT (77x); Juan José González (Les Retuertes – Sierra del Aramo, alt. 1350 m, Asturias, España) [Luz zodiacal. Cielo muy claro de montaña]
2016 Nov. 29.18 UT: m1=13.7, Dia.=0.7′, DC=5; 60-cm L (240x); Sandor Szabo (Hungary)
2016 Nov. 25.22 UT: m1=10.0, Dia.=5′, DC=2/; 20-cm SCT (77x); Juan José González (Sierra de Tineo, alt. 1040 m, Asturias, España) [Cielo muy claro de montaña]
2016 Nov. 04.82 UT: m1=12.7, Dia.=0.7′, DC=4/; 40.0-cm L f/4.5 (144x); Seiichi Yoshida (Gunma, Japan)
2016 Nov. 01.70 UT m1=12.8, Dia.=1’, DC=2/; 25-cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma diffuse, slight brightening to centre, does not enhance in Swan Band filter; Low altitude = 16.0°]
2016 Oct. 30.18 UT: m1=11.3, Dia.=2.5′, DC=2, no cola; 20-cm SCT (80x); Carlos Labordena (Castellón, España)
2016 Oct. 27.21 UT: m1=10.1, Dia.=5′, DC=2/; 20-cm SCT (100x); Juan José González (Pandorado, alt. 1190 m, León, España) [Alguna interferencia lunar. Luz zodiacal. Altura sobre el horizonte: 26º. Cielo muy claro de montaña]
2016 Oct. 20.82 UT: m1=12.9, Dia.=0.4′, DC=4; 40.0-cm L f/4.5 (257x); Seiichi Yoshida (Gunma, Japan)
2016 Oct. 11.73 UT: m1=12.8, Dia.=0.8’, DC=4; 25-cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma diffuse, weakly condensed opaque centre offset to the East edge of the coma. Very faint tail visible approximately 1.7’in length in P.A. 303°. Low altitude = 12.9°]
2016 Oct. 05.74 UT: m1=12.5, Dia.=0.8’, DC=4; 25-cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Outer coma diffuse brightening to a weakly condensed but opaque centre and offset to the East edge of the coma. No tail. Low altitude = 13.8°. Does not enhance in Swan Band filter]
2016 Oct. 03.19 UT: m1=9.5, Dia.=6′, DC=2/; 20-cm SCT (77x); Juan José González (Alto del Castro, alt. 1720 m, León, España) [A 100x: Cola de 0.3º en AP 290º. Luz zodiacal. Altura sobre el horizonte: 20º. Cielo muy claro de montaña]
2016 Sep. 30.18 UT: m1=11.3, Dia.=3′, DC=2, no cola,; 20-cm SCT (80x); Carlos Labordena (Castellón, España)
2016 Sep. 29.19 UT: m1=9.5, Dia.=6′, DC=2/: 20-cm SCT (77x); Juan José González (Alto del Castro, alt. 1720 m, León, España) [Luz zodiacal. Altura sobre el horizonte: 20º. Cielo muy claro de montaña]
2016 Sep. 27.75 UT: m1=12.1, Dia.=1.1’, DC=3/; 25-cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Low altitude = 11.5°; Does not enhance in Swan Band filter. Faint outer coma brightening to a weakly condensed centre. Slight interference from rising Moon]
2016 Sep. 09.16 UT: m1=9.5, Dia.=6′, DC=3; 20-cm SCT (77x); Juan José González (Alto del Trichero, alt. 1190 m, León, España) [Luz zodiacal. Altura sobre el horizonte: 14º. Cielo muy claro de montaña]
2016 Sep. 06.16 UT: m1=9.6, Dia.=5′, DC=2/; 20-cm SCT (77x); Juan José González (Nogarejas, alt. 920 m, León, España) [Luz zodiacal. Altura sobre el horizonte: 14º. Cielo claro de montaña]
2016 Sep. 03.14 UT: m1=11.5, Dia.=4′, DC=2, no cola; 20-cm SCT (50x); Carlos Labordena (Castellón, España)
2016 Sep. 01.09 UT: m1=11.3, Dia.=0.9′, DC=4; 60-cm L (244x); Sandor Szabo (Hungary)
2016 Aug. 31.09 UT: m1=12.1, Dia.=2.0′, DC=4; 35-cm L (178x); Jakub Černý (Senohraby, Czech Republic)
2016 Ago. 30.17 UT: m1=9.8, Dia.=5′, DC=2/; 20-cm SCT (77x); Juan José González (Pandorado, alt. 1190 m, León, España) [Luz zodiacal. Altura sobre el horizonte: 15º. Cielo muy claro de montaña]
2016 Aug. 30.09 UT: m1=12.4, Dia.=1.2′, DC=2/; 40-cm L (200x); Jakub Černý (Senohraby, Czech Republic)
2016 Aug. 12.79 UT: m1=12.3, Dia.=0.8’, DC=4; 25-cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Low altitude = 8.1°; Zodiacal light interference. Close to mag 9.8 star 1.4’away in PA 246.5° and 11.0 mag star 1’away in PA 151.3°. Motion tracked over 20 minute period. Does not enhance in Swan Band filter. Coma diffuse with moderately condensed centre, no tail. SQM reading at zenith was 21.84 averaged over 6 readings at -2°C]
2016 Ago. 11.15 UT: m1=10.9, Dia.=3′, DC=2/; 20-cm SCT (133x); Juan José González (Alto del Trichero, alt. 1190 m, León, España) [Comienzo del crepúsculo astronómico. Luz zodiacal. Altura sobre el horizonte: 14º. Cielo muy claro de montaña]

40P/Vaisala
2015 May  21.02 UT: m1=17.8 CCD + R filter, Dia.=11″, DC=3s, Fantail=16″ in PA: 267-40 deg.; 70-cm f/4 L + CCD; Alexander Baransky (Kyiv comet station MPC 585, Ukraine)
2015 Mar. 28.47 UT: m1=16.7 CCD, Dia.=0.3′; [T20] 0.1-m f/5.0 astrograph + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, H06 remotely from Mayhill, U.S.A.)
2015 Feb. 18.10 UT: m1=16.4 CCD + R filter, Dia.=16″, DC 5, Tail=50″ in PA: 236-306 deg.; 70-cm f/4 L + CCD; Alexander Baransky (Kyiv comet station MPC 585, Ukraine) [Conical tail]
2015 Feb. 15.49 UT: m1=16.6 CCD, Dia.=0.3′; [T20] 0.1-m f/5.0 astrograph + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, H06 remotely from Mayhill, U.S.A.)
2015 Jan. 06.51 UT: m1=15.6: CCD, Dia.=&0.4′; [T20] 0.1-m f/5.0 astrograph + CCD; A. Novichonok, T.Prystavski, N. Teymurov (iTelescope observatory, H06 remotely from Mayhill, U.S.A.) [interference by Moon: Moon phase 0.98, altitude 33 deg.]
2014 Dec. 20.52 UT: m1=15.6 CCD, Dia.=0.42′, Tail=&1.3′ in PA: 292 deg.; [T20] 0.11-m f/5.0 refractor + CCD; A. Novichonok, T. Prystavski, N. Teymurov (iTelescope observatory, H06 remotely Mayhill, U.S.A.)
2014 Nov. 25.52 UT: m1=15.5 CCD, Dia.=0.4′, Tail=&1.2′ in PA: 276 deg.; [T20] 0.1-m f/5.0 astrograph + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, H06, remotely from Mayhill, U.S.A.)

36P/Whipple
2002 Jul. 21.39 UT: m1=19.2: CCD, Tail=&0.6′ in PA 246 deg; R. Bambery, E. Helin, S. Pravdo, M. Hicks, K. Lawrence, R. Thicksten, T. Prystavski (Palomar Mountain NEAT, MPC 644) [interference by Moon: Moon phase 0.90, altitude 9 deg.]
2002 Jul. 12.45 UT: m1=19.5 CCD, Tail=0.2′ in PA: 243 deg.; R. Bambery, E. Helin, S. Pravdo, M. Hicks, K. Lawrence, R. Thicksten, T. Prystavski (Palomar Mountain NEAT, MPC 644, U.S.A.)

37P/Forbes
2012 Sep. 22.33 UT: m1=15.9 ccd, Dia.=0.4′; 30.5cm schmidt-cassegrain; Jakub Cerny [robotic telescope FRAM in Malargue, Argentina]

32P/Comas Solá
2015 June 05.92 UT: m1=16.4: CCD, Dia.=&0.3′ Tail=0.4′ in PA 113 deg.; [T16] 0.15-m f/7.3 refractor + CCD; A. Novichonok & T. Prystavski (AstroCamp Observatory, I89 remotely from Nerpio, Spain)
2015 May  21.92 UT: m1=15.4 CCD + R filter, Dia.=12″, DC=4, Tail=48″ in PA: 130 deg.; 70-cm f/4 L + CCD; Alexander Baransky (Kyiv comet station MPC 585, Ukraine)
2015 May  05.93 UT: m1=15.2 CCD + R filter, Dia.=26″, DC=5, Tail=1′.1 in PA: 136 deg.; 70-cm f/4 L + CCD; Alexander Baransky (Kyiv comet station MPC 585, Ukraine)
2015 Apr. 24.94 UT: m1=14.8 CCD + R filter, Dia.=12″, DC 6, Tail=1′ in PA: 162 deg.; 70-cm f/4 L + CCD; Alexander Baransky (Kyiv comet station MPC 585, Ukraine) [Tail curved at CCW]
2015 Apr. 20.95 UT: m1=15.1 CCD + R filter, Dia.=12″, DC 6, Tail=6′ in PA: 260-298 deg.; 70-cm f/4 L + CCD; Alexander Baransky (Kyiv comet station MPC 585, Ukraine)
2015 Apr. 12.83 UT: m1=15.2, Dia.=0.3′, DC=7; 40cm L (250x); Sandor Szabo (Sopron, Hungary)
2015 Apr. 09.44 UT: m1=14.2: CCD, Dia.=&0.8′; [T17] 0.43-m f/6.8 astrograph + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely Siding Spring, Australia)
2015 Mar. 24.03 UT: m1=14.3 CCD + R filter, Dia.=55″, DC 5, Tail=> 9′ in PA: 191-309 deg.; 70-cm f/4 L + CCD; Alexander Baransky (Kyiv comet station MPC 585, Ukraine) [Tail curved at CCW.]
2015 Mar. 17.88 UT: m1=14.1, Dia.=1.2′, DC=1; 50.8 cm L (307x); Sandor Szabo (Sopron, Hungary)
2015 Mar. 17.06 UT: m1=13.9 CCD + R filter, Dia.=58″, DC 5, Tail=> 9′ in PA: 232-306 deg.; 70-cm f/4 L + CCD; Alexander Baransky (Kyiv comet station MPC 585, Ukraine)
2015 Mar. 14.45 UT: m1=13.5, Dia.=1’, DC=2; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma diffuse, even suface brightness across coma with a slightly brighter but very weak centre, no tail]
2015 Mar. 11.91 UT: m1=13.5 CCD, Dia.=1.5′ Tail=&14′ in PA 284 deg; [T16] 0.15-m f/7.3 refractor + CCD; A. Novichonok & T. Prystavski (AstroCamp Observatory, I89 remotely from Nerpio, Spain)
2015 Mar. 10.99 UT: m1=13.8 CCD + R filter, Dia.=45″, DC 6, Tail=5′ in PA: 237-297 deg.; 70-cm f/4 L + CCD; Alexander Baransky (Kyiv comet station MPC 585, Ukraine)
2015 Mar. 06.04 UT: m1=14.1 CCD + R filter, Dia.=34″, DC 4, Tail=6′ in PA: 258-293 deg.; 70-cm f/4 L + CCD; Alexander Baransky (Kyiv comet station MPC 585, Ukraine)
2015 Feb. 18.14 UT: m1=13.7 CCD + R filter, Dia.=53″, DC 6, Tail: >10′ in PA: 270 deg.; 70-cm f/4 L + CCD; Alexander Baransky (Kyiv comet station MPC 585, Ukraine)
2015 Feb. 17.07 UT: m1=13.7 CCD + R filter, Dia.=54″, DC 6, Tail=6′ in PA: 236-31 deg.; 70-cm f/4 L + CCD; Alexander Baransky (Kyiv comet station MPC 585, Ukraine)
2015 Feb. 15.86 UT: m1=13.4, Dia.=1′.2, DC=4, 35 cm reflector (239x); Jakub Cerný (Zachotin, Czech Republic)
2015 Feb. 14.45 UT: m1=13.4 CCD, Dia.=1.4′, Tail=21.8′ in PA 287 deg; [T20] 0.1-m f/5.0 astrograph + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, H06 remotely from Mayhill, U.S.A.)
2015 Jan. 20.47 UT: m1=13.8 CCD, Dia.=0.95′, Tail=&22′ in PA 289 deg; [T20] 0.1-m f/5.0 astrograph + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, H06 remotely from Mayhill, U.S.A.)
2015 Jan. 17.60 UT: m1=14.0, Dia.=0.5’, DC=1/; 25cm L f:5 (x83); Chris Wyatt (Walcha, NSW, Australia) [Coma small and diffuse, difficult, visible in periods of good seeing]
2015 Jan. 15.09 UT: m1=14.2 CCD + R filter, Dia.=42″, DC 6, Tail=5′ in PA: 289 deg.; 70-cm f/4 L + CCD; Alexander Baransky (Kyiv comet station MPC 585, Ukraine)
2014 Dec. 29.65 UT: m1=13.8, Dia.=1’, DC=2; 25cm L f:5 (83x); Chris Wyatt, Walcha (NSW, Australia) [Coma very diffuse, no tail. Difficult due to slight background haze]
2014 Dec. 20.40 UT: m1=14.2 CCD, Dia.=0.7′, Tail=5.1′ in PA: 290 deg.; [T20] 0.1-m f/5.0 astrograph + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, H06 remotely from Mayhill, U.S.A.)
2014 Nov. 29.80 UT: m1=13.9, Dia.=0.7′, DC=4; 40.0cm L f/4.5 (257x); Seiichi Yoshida (Gunma, Japan)
2014 Nov. 19.43 UT: m1=14.2 CCD, Dia.=0.72′, Tail=6.0′ in PA: 294 deg.; [T20] 0.1-m f/5.0 astrograph + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, H06, remotely Mayhill, U.S.A.)
2014 Nov. 02.17 UT: m1=13.3, Dia.=1.6′, DC=1; 32cm L f/5 (120x); Uwe Pilz (Leipzig, Germany)
2014 Oct. 28.06 UT: m1=14.4, Dia.=0.5’, DC=3; 50.8cm L (245x);; Sandor Szabo (Stuhleck, Austria)
2014 Oct. 26.43 UT: m1=14.0, Dia.=0.5′, DC=4; 30.5cm L f/4.9 (188x); Todd Augustyniak (Green River State Wildlife Area, Harmon, Illinois, USA) [Averted vision required; faint but easier to see than 108P]
2014 Oct. 25.77 UT: m1=14.1, Dia.=0.7′, DC=3; 40.0cm L f/4.5 (257x); Seiichi Yoshida (Gunma, Japan)
2014 Oct. 04.09 UT: m1=14.5, Dia.=0.9′, DC=3; 35cm L (239x); Jakub Cerny (Zachotin, Czech Republic)
2014 Oct. 01.47 UT: m1=14.7 CCD, Dia.=0.54′, Tail=&5′ in PA: 288 deg.; [T20] 0.1-m f/5.0 astrograph + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, H06, remotely from Mayhill, U.S.A.)
2014 Sep. 28.13 UT: 12.4, Dia.=1.5′, DC=2; 32cm L f/5 (120x); Uwe Pilz (Leipzig, Germany)
2014 Sep. 22.78 UT: m1=[14.2; 40cm L f/4.5 (257x); Seiichi Yoshida (Gunma, Japan)
2014 Sep. 01.47 UT: m1=14.8 CCD, Dia.=0.56′, Tail= &5.4′ in PA: 279 deg.; 0.51-m f/4.5 reflector + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, H06, remotely from Mayhill, U.S.A.)
2014 Aug. 25.08 UT: m1=[14.8, Dia.=1.0′; 40cm L (230x); Jakub Černý (Zachotin, Czech Republic)
2013 Oct. 28.82 UT: m1=17.3 CCD; 0.40-m f/8 Ritchey-Chretien + CCD; V.Gerke & T.Prystavski (Ka-Dar observatory, TAU station C32, remotely Nizhniy Arkhyz, Russia)

31P/Schwassmann-Wachmann
2003 Apr. 09.37 UT: m1=18.3 CCD, Dia.=0.20′, Tail=0.4′ in PA: 294 deg.; 1.2-m Schmidt + CCD; R. Bambery, E. Helin, S. Pravdo, M. Hicks, K. Lawrence, P. Kervin, T.Prystavski (Near-Earth Asteroid Tracking NEAT, MPC 644)
2003 Apr. 02.43 UT: m1=18.2 CCD, Dia.=0.21′; 1.2-m reflector + CCD; R. Bambery, E. Helin, S. Pravdo, M. Hicks, K. Lawrence, P. Kervin, T.Prystavski (Near-Earth Asteroid Tracking NEAT, MPC 608)
2002 Apr. 25.30 UT: m1=18.2: CCD; 1.2-m reflector + CCD; R. Bambery, E. Helin, S. Pravdo, M. Hicks, K. Lawrence, P. Kervin, T.Prystavski (Near-Earth Asteroid Tracking NEAT, MPC 608)
2002 Apr. 19.36 UT: m1=17.9 CCD, Dia.=0.23′; 1.2-m reflector + CCD; R. Bambery, E. Helin, S. Pravdo, M. Hicks, K. Lawrence, P. Kervin, T.Prystavski (Near-Earth Asteroid Tracking NEAT, MPC 608)
2002 Mar. 16.35 UT: m1=17.8 CCD, Dia.=0.20′; 1.2-m reflector + CCD; R. Bambery, E. Helin, S. Pravdo, M. Hicks, K. Lawrence, P. Kervin, T.Prystavski (Near-Earth Asteroid Tracking NEAT, MPC 608)
2002 Feb. 08.51 UT: m1=16.7 CCD, Dia.=0.25′, Tail=0.4′ in PA: 276 deg.; 1.2-m reflector + CCD; R. Bambery, E. Helin, S. Pravdo, M. Hicks, K. Lawrence, P. Kervin, T.Prystavski (Near-Earth Asteroid Tracking NEAT, MPC 608)
2002 Feb. 03.57 UT: m1=16.6 CCD, Dia.=0.23′ Tail=0.2′ in PA: 270 deg.; 1.2-m reflector + CCD; R. Bambery, E. Helin, S. Pravdo, M. Hicks, K. Lawrence, P. Kervin, T.Prystavski (Near-Earth Asteroid Tracking NEAT, MPC 608)
2002 Jan. 15.40 UT: m1=17.2 CCD, Dia.=0.30′, Tail=0.7′ in PA: 284 deg.; 1.2-m reflector + CCD; R. Bambery, E. Helin, S. Pravdo, M. Hicks, K. Lawrence, P. Kervin, T.Prystavski (Near-Earth Asteroid Tracking NEAT, MPC 608)
2002 Jan. 09.62 UT: m1=17.2 CCD, Dia.=0.27′, Tail=0.5′ in PA: 289 deg.; 1.2-m reflector + CCD; R. Bambery, E. Helin, S. Pravdo, M. Hicks, K. Lawrence, P. Kervin, T.Prystavski (Near-Earth Asteroid Tracking NEAT, MPC 608)
2002 Jan. 09.42 UT: m1=17.1 CCD, Dia.=0.27′, Tail=0.5′ in PA: 288 deg.; 1.2-m reflector + CCD; R. Bambery, E. Helin, S. Pravdo, M. Hicks, K. Lawrence, P. Kervin, T.Prystavski (Near-Earth Asteroid Tracking NEAT, MPC 608)
2002 Jan. 07.52 UT: m1=16.9 CCD, Dia.=0.21′; 1.2-m Schmidt + CCD; R. Bambery, E. Helin, S. Pravdo, M. Hicks, K. Lawrence, P. Kervin, J., T. Prystavski (Near-Earth Asteroid Tracking NEAT, MPC 644)
2001 Dec. 25.52 UT: m1=17.6 CCD, Dia.=0.23′, Tail=0.6′ in PA: 291 deg.; 1.2-m reflector + CCD; R. Bambery, E. Helin, S. Pravdo, M. Hicks, K. Lawrence, P. Kervin, T. Prystavski (Near-Earth Asteroid Tracking NEAT, MPC 608)

30P/Reinmuth
2014 Mar. 27.48 UT: m1=[11.5, negative; 15cm SCT (36x); Salvador Aguirre (Hermosillo, Sonora, Mexico)
2010 Fev. 03.000 UT: m1=13.3, Dia.=0.5′, DC=6; 22cm L f:6.5 (230x); Marco Goiato (Araçatuba, Brasil)
2009 Dez. 24.125 UT: m1=13.4, Dia.=0.4′, DC=6; 22cm L f:6.5 (230x); Marco Goiato (Araçatuba, Brasil)
2009 Nov. 24.08 UT: m1=15.2, Dia.=0.2′, DC=7; 20cm SCT (200x); Juan José González (Alto del Castro, alt. 1720 m, León, España) [Estrellas de campo comprobadas en el DSS. Movimiento seguido durante 20 minutos. Estrellas de comparación de la secuencia Henden de V650 Ori. Cielo muy claro de montaña.]
2009 Nov. 18.92 UT: m1=16.0 ccd, Dia.=0.2′, DC=2; 25cmL +ccd+ Rc filter; Toni Scarmato (Calabria, Italia)
2003 May 15.32 UT: m1=16.3 CCD, Dia.=0.3′, Tail=0.2′ in PA: 119 deg.; 1.2-m reflector + CCD; R. Bambery, E. Helin, S. Pravdo, M. Hicks, K. Lawrence, P. Kervin, T.Prystavski (Near-Earth Asteroid Tracking NEAT, MPC 608)
2003 May 07.30 UT: m1=15.5: CCD, Dia.=0.7′, Tail=1.0′ in PA: 136 deg.; 1.2-m reflector + CCD; R. Bambery, E. Helin, S. Pravdo, M. Hicks, K. Lawrence, P. Kervin, T.Prystavski (Near-Earth Asteroid Tracking NEAT, MPC 608) [poor quality images]

29P/Schwassmann-Wachmann 1
2016 Dec. 01.43 UT: m1=[14.3, negative; 25-cm L f:5 (166x); Chris Wyatt (Walcha, NSW, Australia) [Comet not visible; Stellar limiting magnitude = 14.3. Altitude = 17.8°]
2016 Nov. 22.42 UT: m1=[13.6, negative; 25-cm L f:5 (166x); Chris Wyatt (Walcha, NSW, Australia) [Not visible, stellar limiting magnitude=13.6]
2016 Nov. 16.77 UT: m1=12.5, Dia.=0.9′, DC=3; 20-cm SCT (133x); Juan José González (Gamoniteiro – Sierra del Aramo, alt. 1730 m, Asturias, España) [Estrellas de comparación de la fotometría APASS cercana al cometa. Estrellas de campo comprobadas en el DSS. Altura sobre el horizonte: 17º. Cielo muy claro de montaña]
2016 Nov. 04.40 UT: m1=12.3, Dia.=0.9′, DC=1; 40.0-cm L f/4.5 (144x); Seiichi Yoshida (Gunma, Japan)
2016 Nov. 02.48 UT; m1=13.0, Dia.=0.8’, DC=2/; 35-cm T f:11 (122x); Chris Wyatt (Armidale, NSW, Australia) [Coma diffuse, slight brightening to centre]
2016 Nov. 01.42 UT: m1=12.9, Dia.=0.5’, DC=2; 25-cm L f:5 (166x); Chris Wyatt (Walcha, NSW, Australia) [Coma diffuse, slight brightening to centre. Comet closely sandwiched between two stars of 13th magnitude]
2016 Oct. 31.72 UT: m1=12.4, Dia.=0.7′, DC=3; 60-cm L (305x); Sandor Szabo (Sopron, Hungary)
2016 Oct. 31.42 UT: m1=13.0, Dia.=0.6’, DC=2/; 25-cm L f:5 (166x); Chris Wyatt (Walcha, NSW, Australia) [Close to mag 7.8 star, 1.6’away in P.A. 024° approximately; Inner coma diffuse and opaque, fading to edges. Does not enhance in Swan Band filter]
2016 Oct. 26.80 UT: m1=12.7, Dia.=0.2′, DC=7; 20-cm SCT (133x); Juan José González (Pandorado, alt. 1190 m, León, España) [Outburst. Estrellas de comparación de la fotometría APASS cercana al cometa. Estrellas de campo comprobadas en el DSS. Altura sobre el horizonte: 19º. Cielo muy claro de montaña]
2016 Oct. 25.47 UT: m1=12.6, Dia.=0.2’, DC=6/; 25-cm L f:5 (166x); Chris Wyatt (Walcha, NSW, Australia) [Outburst; Observation made difficult due to glare from Mars in the field and a 10.4 magnitude star 0.8’ away in P.A. 167°; Coma shows star-like central condensation, with an opaque and whitish coloured outer coma. Coma does not enhance in Swan Band filter but central condensation is still visible with filter applied]
2016 Oct. 24.42 UT: m1=13.8, Dia.=0.4’; DC=5/; 25-cm L f:5 (166x); Chris Wyatt (Walcha, NSW, Australia) [Coma centre sometimes appears faintly stellar in good seeing. Close to mag 12.0 star, 0.8’away in P.A. 041°; Coma appears circular and slightly whitish in colour, outer coma opaque with a well condensed centre. No tail visible]
2016 Oct. 23.41 UT: m1=14.1, Dia.=0.3’, DC=8; 25-cm L f:5 (166x); Chris Wyatt (Walcha, NSW, Australia) [Coma shows star-like central condensation with a very small fuzzy outer coma (post-outburst). Does not enhance in Swan Band filter. No tail, m2 approximately 14.0]
2016 Oct. 19.42 UT: m1=[14.8; 25-cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Comet not visible; Limiting magnitude=14.8]
2016 Oct. 18.40 UT: m1=[14.5; 25-cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Comet not visible; Limiting magnitude=14.5]
2016 Oct. 04.43 UT: m1=[14.5, Negative; 25-cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Not visible, limiting magnitude 14.5]
2016 Sep. 28.39 UT: m1=[14.1, NEGATIVE; 25-cm L f:5 (166x); Chris Wyatt (Walcha, NSW, Australia) [Not visible, limiting magnitude 14.1. Sky slightly hazy from smoke]
2016 Sep. 26.40 UT: m1=[15.1, NEGATIVE,; 25-cm L f:5 (166x); Chris Wyatt (Walcha, NSW, Australia)
2016 Sep. 01.49 UT: m1=[14.4, negative; 40.0-cm L f/4.5 (257x); Seiichi Yoshida (Gunma, Japan)
2016 Aug. 31.83 UT: m1=13.8, Dia.=0.6′, DC=1; 60-cm L (305x); Sandor Szabo (Hungary)
2016 Aug. 30.85 UT: m1=13.5, Dia.=0.7′, DC=2; 35-cm L (178x); Jakub Černý (Senohraby, Czech Republic)
2016 Aug. 28.88 UT: m1=13.5, Dia.=0.8′, DC=5/; 35-cm L (178x); Jakub Černý (Senohraby, Czech Republic)
2016 Aug. 26.89 UT: m1=13.4, Dia.=0.3′, DC=2; 35-cm L (178x); Jakub Černý (Senohraby, Czech Republic)
2016 Aug. 25.84 UT: m1=13.4, Dia.=0.3′, DC=3/; 35-cm L (178x); Jakub Černý (Senohraby, Czech Republic)
2016 Aug. 24.88 UT: m1=13.6, Dia.=0.5′, DC=3/; 35-cm L (178x); Jakub Černý (Senohraby, Czech Republic)
2016 Aug. 12.70 UT: m1=13.8, Dia.=0.6’, DC=1; 25-cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma very diffuse, no tail]
2016 Ago. 11.01 UT: m1=12.0, Dia.=1.5′, DC=3; 20-cm SCT (133x); Juan José González (Alto del Trichero, alt. 1190 m, León, España) [La coma en expansión parece sin duda más amplia que lo indicado, pero su débil región externa es difícil de observar en el denso campo estelar que rodea al cometa]
2016 Ago. 05.91 UT: m1=11.8, Dia=2′, DC=2, no cola; 20-cm SCT (80x); Carlos Labordena (Castellón, España)
2016 Aug. 02.04 UT: m1=10.8, Dia.=3′, DC=2; 22-cm L (60x); Marco Antonio Coelho Goiato (Araçatuba, Brazil)
2016 Ago. 01.91 UT: m1=12.3, Dia.=0.8′, DC=6; 20 cm SCT (133x); Juan José González (Cueto Rosales, alt. 1420 m, León, España) [En evolución después del reciente nuevo outburst. Estrellas de comparación de la fotometría APASS cercana al cometa]
2016 July 31.41 UT: m1=13.2, Dia.=0.8’, DC=6; 25-cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma appears slightly elongated to the NW. Stellar central condensation. No tail]
2016 July 30.48 UT: m1=13.0, Dia.=0.5’, DC=6; 25-cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Outer coma diffuse and brightening to an opaque inner coma with stellar central condensation. Outer coma dims in Swan Band filter, central condensation barely visible. No tail]
2016 July 29.45 UT: m1=13.1, Dia.=0.2’, DC=7; 25-cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Stellar central condensation surrounded by a faint outer coma. Disappears with Swan Band filter applied. Visible at x39 but best viewed at x83 for magnitude estimate
2016 July 29.00 UT: m1=12.9, Dia.=0.4′, DC=8; 20-cm SCT (133x); Juan José González (Pandorado, alt. 1190 m, León, España) [Fuertemente condensado después del nuevo outburst. Estrellas de comparación de la fotometría APASS cercana al cometa]
2016 July 28.42 UT: m1=13.1, Dia.=<1’, DC=9; 25-cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Outburst! Coma stellar, almost completely disappears in Swan Band filter]
2016 July 02.51 UT: m1=[14.8 Negative, Dia.=–, DC=–; 25-cm L f:5 (166x); Chris Wyatt (Walcha, NSW, Australia) [Comet not visible at x166. Stellar limiting magnitude = 14.5 and fainter]
2016 June 28.52 UT: m1=[14.9 Negative, Dia.=–, DC=–; 25-cm L f:5 (166x); Chris Wyatt (Walcha, NSW, Australia) [Comet not visible, limiting magnitude 15.0 and fainter]
2016 June 08.72 UT: m1=14.2, Dia.=0.8’, DC=5/; 25-cm L f:5 (166x); Chris Wyatt (Walcha, NSW, Australia) [Coma appears diffuse. Close to 13th mag star 0.5’away in P.A. 235°; Semi-opaque outer coma condenses to an opaque pale aqua-blue coloured centre which appears moderately condensed but not quite stellar. Difficult to track in the dobsonian telescope near zenith at high magnification. Not visible at x83]
2015 Nov. 06.42 UT: m1=[14.5, negative; 25-cm L f:5 (166x); Chris Wyatt (Walcha, NSW, Australia) [Comet not visible, crowded star field, zodiacal light, very difficult. Limiting magnitude = 14.5.]
2015 Oct. 09.43 UT: m1=12.6, Dia.=1’, DC=1; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma very diffuse, close to mag 13.4 star. No tail]
2015 Oct. 05.42 UT: m1=12.3, Dia.=1.1’, DC=2/3; 25-cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Sky slightly hazy, coma diffuse with transparent outer coma, inner coma weakly condensed but opaque, no tail. Limiting magnitude = 14.1; m2 =>14.0]
2015 Oct. 03.43 UT: m1=13.2, Dia.=1’, DC=2/3; 25-cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [No tail; does not enhance in Swan Band filter. Faint outer coma with a diffuse inner coma of even surface brightness. Limiting magnitude = 14.2; m2 =>14.0]
2015 Oct. 01.83 UT: Dia.=1.5′; 20-cm SCT (133x); Juan José González (Alto del Castro, alt. 1720 m, León, España ) [ En evolución después de los dos recientes outbursts. Estimación de la magnitud m1 no realizada a causa de dos estrellas en la coma, de magnitudes 12.0 y 13.1 (GSC). Altura sobre el horizonte: 10º. Cielo muy claro de montaña]
2015 Sep. 22.41 UT: m1=13.0, Dia.=0.2’, DC=6; 25-cm L f:5 (166x); Chris Wyatt (Walcha, NSW, Australia) [Moonlight, Outburst; Coma does not enhance using Swan Band filter, faint stellar central condensation, approximate m2 = 13.3; Limiting magnitude = 14.0. Coma pale blue in colour]
2015 Aug. 08.91 UT: m1=12.3, Dia.=1.1′, DC=2/; 20-cm SCT (133x); Juan José González (Cueto Rosales, alt. 1420 m, León, España) [En evolución después del nuevo outburst. Estrellas de comparación de la fotometría APASS cercana al cometa]
2015 Aug. 07.37 UT: m1=11.9, Dia.=0.9’, DC=2; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma does not enhance in Swan Band filter, circular in appearance, very diffuse and pale blue in colour]
2015 July 21.88 UT: m1=12.9, Dia.=0.8′, DC=3; 60.3 cm L (244x); Sandor Szabo (Sopron, Hungary)
2015 July 16.55 UT: m1=14.0, Dia.=0.7′, DC=5; 41-cm L f/4.5 (64x); John Drummond (Gisborne, New Zealand) [29P appears as a faint smudge with a central condensation/nucleus. Comet 50 degrees altitude in the W. Clear, dark rural sky, LM 6.5]
2015 July 13.95 UT: m1=13.5, Dia.=0.5′, DC=8; 20-cm SCT (222x); Juan José González (Santiago Millás, alt. 930 m, León, España) [Fuertemente condensado después del reciente outburst. Estrellas de comparación tomadas de la fotometría APASS cercana al cometa]
2015 July 11.92 UT: m1=12.5, Dia.=0.85′, DC=S8; 25-cm L (150x); Gábor Sánta (Zlatibor, Serbia) [(very dim and diffuse halo were observed, in outburst, nearly starlike, PN-like]
2015 July 10.88 UT: m1=13.5:, Dia.=1′, DC=0; 25-cm L (150x); Gábor Sánta (Zlatibor, Serbia) [very diffuse, among the northern stars of Scorpius]
2015 July 08.56 UT: m1=15.3: CCD, Dia.=&0.5′; [T17] 0.43-m f/6.8 astrograph + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely from Siding Spring, Australia)
2015 June 22.71 UT: m1=13.4, Dia.=1.0’, DC=1; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia] [Difficult; Coma very diffuse, crowded star field. No tail, no condensation available for m2 measurement, limiting magnitude= 14.6 (AQ)]
2015 June 19.63 UT: m1=13.0, Dia.=1.1’, DC=2/; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Difficult; coma very diffuse with slightly brighter but weakly condensed centre. No tail]
2015 June 14.22 UT: m1= 17.8 CCD, Dia.=0.5’; Measures taken on CCD images unfiltered; Pierre Laporte (Cd’OA des Monts Notre-Dame, Québec, Canada)
2015 June 12.33 UT: m1=11.3: CCD, Dia.=&4.3′; [T20] 0.1-m f/5.0 astrograph + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, H06 remotely from Mayhill, U.S.A.)
2015 May  16.21 UT: m1=11.3, Dia.=1.5′, DC=4; 22-cm L (120x); Marco Antonio Coelho Goiato (Araçatuba, Brazil)
2015 May  31.80 UT: m1=12.5, Dia.=3.0′, DC=1; 40.6-cm L f/4 (165x); Paul Camilleri (Warners Bay, Australia)
2015 May  25.74 UT: m1=12.0, Dia.=2.0′, DC=0; 40.6-cm L f/4 (76x); Paul Camilleri (Warners Bay, Australia)
2015 May  23.76 UT: m1=12.0, Dia.=2.0′, DC=1; 40.6-cm L f/4 (165x); Paul Camilleri (Warners Bay, Australia)
2015 May  16.55 UT: m1=11.8, Dia.=1.4′, DC=1; 40.6-cm L f/4 (76x); Paul Camilleri (Warners Bay, Australia)
2015 May  16.09 UT: m1=11.6, Dia.=1.0′, DC=6; 20cm SCT (100x); Juan José González (Cueto Rosales, alt. 1420 m, León, España) [En evolución después del reciente outburst]
2015 May  15.76 UT: m1=12.0, Dia.=1.2′, DC=2; 40.6-cm L f/4 (76x); Paul Camilleri (Warners Bay, Australia)
2015 May  14.71 UT: m1=12.1, Dia.=1’, DC=3/; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma does not enhance in Swan Band filter, no tail. Outer coma diffuse, inner coma weakly condensed with a slightly brighter central condensation, pale blue in colour]
2015 May  13.77 UT: m1=11.8, Dia.=1.2′, DC=3; 40.6-cm L f/4 (76x); Paul Camilleri (Warners Bay, Australia)
2015 May  13.03 CCD + R filter, m1=11.3, Dia.=58″, DC=6; 70-cm f/4 L + CCD; Alexander Baransky (Kyiv comet station MPC 585, Ukraine)
2015 May  12.77 UT: m1=12.0, Dia.=1.4′, DC=2; 40.6-cm L f/4 (165x); Paul Camilleri (Warners Bay, Australia)
2015 May  12.48 UT: m1=12.0, Dia.=0.8’, DC=3/; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma small, surface brightness across the coma is almost even, with a slightly brighter centre and faint outer coma. No tail. Inner coma faintly visible in Swan Band filter but otherwise the coma does not enhance overall]
2015 May  12.14 UT: m1=11.2, Dia.=1.25′, DC=5; 22-cm L (160x); Marco Antonio Coelho Goiato (Araçatuba, Brazil)
2015 May  11.98 UT: m1=11.8, Dia.=0.8′, DC=6; 50.8 cm L (189x); Sandor Szabo (Sopron, Hungary)
2015 May  11.75 UT: m1=11.8, Dia.=1.2′, DC=3; 40.6-cm L f/4 (165x); Paul Camilleri (Warners Bay, Australia)
2015 May  11.47 UT: m1=11.7, Dia.=0.7’, DC=4; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma round and diffuse. Inner coma (about 0.5’ dia) even in surface brightness and opaque, outer coma thin and transparent, pale aqua-blue in colour. Does not enhance in Swan Band filter]
2015 May  11.35 UT: m1=11.8, Dia.=1′, DC=6; 18-cm L (57x); Alexandre Amorim (Florianopolis, Brazil) [moonlight]
2015 May  10.76 UT: m1=11.5, Dia.=1.0′, DC=4; 40.6cm L f/4 (165x); Paul Camilleri (Warners Bay, NSW, Australia)
2015 May  10.46 UT: m1=11.8, Dia.=0.5’, DC=6; 25cm L f:5 (83x): Chris Wyatt (Walcha, NSW, Australia) [Coma round and diffuse, small faint stellar centre with a broad opaque inner coma and a small transparent fuzzy outer coma edge. Slightly elongated to the NW. At x166 the coma is more evenly diffused like a DC of 2, the surface brightness is quite bright, opaque and even across 4/5ths of the coma diameter. Coma is greyish/pale-blue in colour at centre and fading at the edges where it is more transparent]
2015 May  09.77 UT: m1=11.6, Dia.=0.8′, DC=4; 40.6cm L f/4 (165x); Paul Camilleri (Warners Bay, NSW, Australia)
2015 May  08.79 UT: m1=11.7, Dia.=0.6’, DC=6; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Moonlight. Stellar central condensation with faint diffuse outer coma, does not enhance in Swan Band filter]
2015 May  08.75 UT: m1=11.9, Dia.=0.5′, DC=5; 40.6cm L f/4 (165x); Paul Camilleri (Warners Bay, NSW, Australia)
2015 May  08.42 UT: m1=11.8, Dia.=0.5’, DC=6; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Low altitude = 9.1°; Coma does not enhance in Swan Band filter. Coma small and round in appearance, stellar centre* whitish in colour with pale blue-grey fuzzy outer coma. At x166 the central condensation is more smeared like a DC of 3. *The coma centre is near a magnitude 12.9 star 0.2’ away in P.A. 354° according to Guide 9.0, but it was not easily distinguishable from the coma centre visually]
2015 May  07.78 UT: m1=12.0, Dia.=0.3′, DC=5; 40.6cm L f/4 (165x); Paul Camilleri (Warners Bay, NSW, Australia)
2015 May  07.53 UT: m1=12.1, Dia.=0.3’, DC=5/; 25cm L f:5 (166x); Chris Wyatt (Walcha, NSW, Australia) [Moonlight; Coma round in appearance, small, pale blue in colour, with disc-like central condensation sometimes appearing stellar in good seeing. Does not enhance in Swan Band filter; Comet in outburst]
2014 Oct. 02.39 UT: m1=13.7:, Dia.=0.4’, DC=2/; 25cm L f:5 (166x); Chris Wyatt (Walcha, NSW, Australia) [Moonlight; Coma very small and diffuse, very difficult to see due to scintillation and moonlight, magnitude uncertain. Looks like a hazy patch with a small and sometimes stellar central condensation, elongated to the East approximately]
2014 Sep. 14.41 UT: m1=14.2 CCD, Dia.=1.2′; [T12] 0.11m f/5.0 refractor + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, Q62, remotely from Siding Spring, Australia)
2014 July 26.42 UT: m1=14.2 CCD, Dia.=1.28′; 0.11m f/5.0 refractor + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely from Siding Spring, Australia)
2014 June 30.13 UT: m1=15.0:, DC=2; Visual Aperture 36″ F/3.5; Jean-François Viens (Cd’OA Monts des Notre-Dame, Québec, Canada)
2014 June 25.50 UT: m1=12.0: CCD, Dia.=&2.8′; 0.11m f/5.0 refractor + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, Q62 Remotely from Siding Spring, Australia)
2014 May  29.45 UT: m1=13.6, Dia.=1.0′, DC=2/; 30cm Dobson; Con Stoitsis (Nagambie, Victoria, Australia) [Difficult to see the comet, barely visible with averted vison]
2014 May  27.10 UT: m1=12.4, Dia.=1.5′, DC=2; 22cm L (160x); Marco Antonio Coelho Goiato (Araçatuba, Brazil)
2014 May  26.38 UT: m1=13.8, Dia.=0.8’, DC=1; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Very difficult to see, close to bright stars, visible in periods of good seeing, slight hazy conditions]
2014 May  22.41 UT: m1=12.8, Dia.=1.4’, DC=2; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma diffuse, no tail, diffused central condensation, observed between 2 bright stars but quite noticeable. Hazy conditions]
2014 May  21.55 UT: m1=12.4: CCD, Dia.=&2.5′; 0.32-m f/7.4 Ritchey-Chretien + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely from Siding Spring, Australia)
2014 May  21.42 UT: m1=12.5, Dia.=1.8’, DC=1/; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma appears quite diffuse with a very weakly condensed inner coma]
2014 May  19.92 UT: m1=13.2, Dia.=0.6’, DC=5; 50.8cm L (189x); Sandor Szabo (Sopron, Hungary) [Very low on the Southern horizon]
2014 May  12.80 UT: m1=12.7, Dia.=1.2′, DC=7/; 30cm Dobson; Con Stoitsis (Nagambie, Victoria, Australia)
2014 May  08.21 UT: m1=14.4 CCD, Dia.=0.7’; Measures taken on CCD images unfiltered; Pierre Laporte (Cd’OA des Monts Notre-Dame, Québec, Canada)
2014 May  06.39 UT: m1=[11.0, negative; 15cm SCT (75x); Salvador Aguirre (Hermosillo, Sonora, Mexico)
2014 May  03.70 UT: m1=13.0, Dia.=-, DC=9; 40.0cm L f/4.5 (257x); Seiichi Yoshida (Gunma, Japan)
2014 May  01.39 UT: m1=[11.0, negative; 15cm SCT (36x); Salvador Aguirre (Hermosillo, Sonora, Mexico)
2014 Apr. 28.53 UT: m1=13.1: CCD, Dia.=&2.2′; 0.11m f/5.0 refractor + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely Siding Spring, Australia))
2014 Apr. 22.52 UT: m1=12.2: CCD, Dia.=&3.3′; 0.11m f/5.0 refractor + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely Siding Spring, Australia)
2014 Apr. 22.43 UT: m1=[11.1, negative; 15cm SCT (36x); Salvador Aguirre (Hermosillo, Sonora, Mexico)
2014 Apr. 03.44 UT: m1=[11.5, negative; 15cm SCT (36x); Salvador Aguirre (Hermosillo, Sonora, Mexico)
2014 Mar. 30.66 UT: m1=12.2: CCD, Dia.=2.09′; 0.32-m f/7.4 Ritchey-Chretien + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, Q62. Remotely Siding Spring, Australia)
2014 Mar. 13.76 UT: m1=12.4: CCD, Dia.=1.46′; 0.50-m f/6.8 astrograph + CCD + focal reducer; A. Novichonok & T. Prystavski (iTelescope observatory, Q62. Remotely from Siding Spring, Australia)
2014 Mar. 12.79 UT: m1=12.5 CCD, Dia.=1.4′; 0.50-m f/6.8 astrograph + CCD + focal reducer; A. Novichonok & T. Prystavski (iTelescope observatory, Q62. Remotely from Siding Spring, Australia)
2014 Mar. 11.71 UT: m1=12.3 CCD, Dia.=1.39′; 0.50-m f/6.8 astrograph + CCD + focal reducer; A. Novichonok & T. Prystavski (iTelescope observatory, Q62. Remotely from Siding Spring, Australia)
2014 Mar. 10.68 UT: m1=12.4 CCD, Dia.=1.17′; 0.50-m f/6.8 astrograph + CCD + focal reducer; A. Novichonok & T. Prystavski (iTelescope observatory, Q62. Remotely from Siding Spring, Australia)
2014 Mar. 10.21 UT: m1=12.2, Dia.=1.5′, DC=3; 22cm L (160x); Marco Goiato (Araçatuba, Brasil)
2014 Mar. 09.64 UT: m1=12.5 CCD, Dia.=1.06′; 0.50-m f/6.8 astrograph + CCD + focal reducer; A. Novichonok & T. Prystavski (iTelescope observatory, Q62. Remotely from Siding Spring, Australia)
2014 Mar. 08.68 UT: m1=12.5 CCD, Dia.=0.93′; 0.50-m f/6.8 astrograph + CCD + focal reducer; A. Novichonok & T. Prystavski (iTelescope observatory, Q62. Remotely from Siding Spring, Australia)
2014 Mar. 07.78 UT: m1=12.5 CCD, Dia.=0.85′; 0.50-m f/6.8 astrograph + CCD + focal reducer; A. Novichonok & T. Prystavski (iTelescope observatory, Q62. Remotely from Siding Spring, Australia)
2014 Mar. 05.72 UT: m1=12.2 CCD, Dia.=0.65′; 0.50-m f/6.8 astrograph + CCD + focal reducer; A. Novichonok & T. Prystavski (iTelescope observatory, Q62. Remotely from Siding Spring, Australia)
2014 Jan. 27.73 UT: m1=14.7: CCD, Dia.=&1′; 0.11m f/5.0 refractor + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, Q62. Remotely Siding Spring, Australia)
2013 Aug. 28.37 UT: m1=13.0: CCD, Dia.=&3.9′; 0.11m f/5.0 refractor + CCD; A. Novichonok & T.Prystavski (iTelescope observatory, Q62 (remotely Siding Spring, Australia)
2013 Jul. 28.33 UT: m1=[15.0, Dia.=–, DC=–; 41cm f4.5 Reflect (64-170x); John Drummond (Gisborne, New Zealand) [Comet Schwassmann-Wachmann 1 not visible visually. Can visually see stars to mag 15.9. Comet 50 degrees altitude in the West. Clear, dark rural sky. No Moon]
2013 Jul. 24.37 UT: m1=12.2: CCD, Dia.=&4.9′; 0.11m f/5.0 refractor + CCD; A. Novichonok & T.Prystavski (iTelescope observatory Q62. Remotely Siding Spring, Australia)
2013 Jul. 06.42 UT: m1=12.4, Dia.=1.6’, DC=2; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Close to mag 13.5 star, difficult observation, averted vision, no tail. Observed from 1240m alt.]
2013 Jul. 03.43 UT: m1=12.5, Dia.=2.4’, DC=1; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Coma shows a very even brightness across coma and diffused, averted visio]
2013 Jul. 03.40 UT: m1=12.2, Dia.=1.5′, DC=2/; 30cm Dobson; Con Stoitsis (Nagambie, Victoria, Australia) [Coma very diffused. No tail observed]
2013 Jul. 02.43 UT: m1=12.6, Dia.=1.5’, DC=1/2; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Coma very diffuse with even surface brightness from outer coma toward centre, slightly brightening to centre, no definite central condensation visible. Sky transparency average, limiting magnitude 6.2.]
2013 Jun. 30.94 UT: m1=10.4, Dia.=3.5′, DC=2; 20cm SCT (100x); Juan José González (Alto del Castro – Aralla, alt. 1720 m, León, España) [En evolución después del reciente outburst. Coma exterior amplia y difusa, remanente de eventos previos. Cielo claro de montaña]
2013 Jun. 18.45 UT: m1=12.5, Dia.=0.7’, DC=2; 25cm L f:5 (167); Chris Wyatt (Walcha, NSW, Australia) [Coma appears circular and very diffuse, averted vision, moonlight, slight interference by smoke from town fires]
2013 Jun. 15.55 UT: m1=12.2, Dia.=3.5′, DC=3/; 30cm Dobson; Con Stoitsis (Clonbinane, Victoria, Australia) [The coma has a stellar appearance at the centre. It is was noticeably more diffused towards the edges, and may be considerably larger than I’ve estimated here]
2013 Jun. 15.08 UT: m1=12.2, Dia.=0.5′, DC=7/; 22cm L (160x); Marco Goiato (Araçatuba, Brasil)
2013 Jun. 14.99 UT: m1=11.5, Dia.=2.2′, DC=s1/; 20cm SCT (133x); Juan José González (Alto del Castro – Aralla, alt. 1720 m, León, España) [En outburst. Condensación central casi estelar con m2=12.6 (APASS). Coma interna más brillante (diámetro: 0.4′ ) rodeada de una débil región externa, probablemente más amplia que los 2.2′ indicados, pero muy difícil de observar, remanente de eventos previos. Cielo muy claro de montaña]
2013 Jun. 06.15 UT: m1=12.0, Dia.=1′, DC=8, Tail: Not visible; 15cm SCT (187x); Salvador Aguirre (Hermosillo, Sonora, Mexico)
2013 Jun. 03.95 UT: m1=12.8, Dia.=0.6′, DC=6; 20cm SCT (206x); Juan José González (Alto del Castro – Aralla, alt. 1720 m, León, España) [En evolución después del reciente outburst menor. Estrellas de campo comprobadas en el DSS. Estrellas de comparación de la fotometría APASS cercana al cometa]
2013 May. 02.15 UT: m1=15.0, DC=2; Visual Aperture 36″ F/3.5; Jean-François Viens (Cd’OA des Monts Notre-Dame, Québec, Canada)
2013 Apr. 13.95 UT: m1=[15.0, negative; not seen; Sandor Szabo (Hungary) [must be fainter than 15.0 mag, 50.8 cm reflector (250x)]
2013 Mar. 23.29 UT: m1=12.5, Dia.=2′, DC=2; 22cm L (160x); Marco Goiato (Araçatuba, Brasil)
2013 Feb. 19.39 UT: m1=16.5 ccd, Dia.=0.3’; Measures taken on CCD images unfiltered; Clermont Vallière (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada) [comparison star 3UCAC 133-158238 mag.=15.63]
2013 Feb. 02.43 UT: m1=16.9 ccd, Dia.=0.2’; Measures taken on CCD images unfiltered; Clermont Vallière (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada) [comparison star 3UCAC 134-158774 mag.=16.01]
2013 Ene. 20.22 UT: m1=10.5, Dia.=7′, DC=1/; 20cm SCT (77x); Juan José González (Perilla de Castro, alt. 730 m, Zamora, España) [Coma muy difusa. Estrellas de campo comprobadas en el DSS. Varias estrellas en la coma, teniendo la más brillante mag. 12.5 (APASS)]
2013 Ene. 08.24 UT: m1=11.0, Dia.=7′, DC=1/; 20cm SCT (77x); (Alto del Castro – Aralla, alt. 1720 m, León, España) [Coma muy difusa con débil región externa, que parece ser el remanente de un outburst previo. Estrellas de campo comprobadas en el DSS. Observación realizada desde una más elevada ubicación de montaña, percibiendo un mayor diámetro de coma y más brillante m1 en comparación con mi observación previa de Dic. 23.26]
2012 Dic. 23.26 UT: m1=12.2, Dia.=1.5′, DC=1; 20cm SCT (133x); Juan José González (Armada – Sierra del Aramo, alt. 980 m, Asturias, España ) [ Coma muy difusa, sin condensación central, que parece ser el remanente de un outburst previo.  Estrellas de campo comprobadas en el DSS. Cielo muy claro de montaña]
2012 Sep. 02.99 UT: m1=13.2 ccd, Dia.=1.8′; 30.5cm schmidt-cassegrain; Jakub Cerny [robotic telescope FRAM in Malargue, Argentina]
2012 Aug. 14.98 UT: m1=12.9 ccd, Dia.=2.0′; 30.5cm schmidt-cassegrain; Jakub Cerny (Czech Republic) [robotic telescope FRAM in Malargue, Argentina]
2012 Jul. 11.00 UT: m1=13.3 ccd, Dia.=1′.2; 30.5cm schmidt-cassegrain; Jakub Cerny (Senohraby, Czech Republic)
2012 Jun. 16.91 UT: m1=11.7, Dia.=2′, DC=3, no cola; 23.5cm SCT (94x); Carlos Labordena (Castellón, España)
2012 Jun. 13.97 UT: m1=10.8, Dia.=5′, DC=1/; 20cm SCT (100x); Juan José González (Alto del Castro, 1720 m alt., León, España) [Amplia coma, débil y difusa, remanente de outbursts previos. Estrellas de campo comprobadas enm el DSS. Cielo muy claro de montaña]
2012 May. 19.88 UT: m1=12.1, Dia.=1.3′, DC=5; 20.3cm L f:6 (100x); Mieczyslaw Leszek Paradowski (Dabrowa, Poland) [Comparison stars taken from APASS V-band photometry (AQ)]
2012 May. 17.90 UT: m1=13.5; 32cm reflector (120x); Uwe Pilz (Leipzig, Germany)
2012 May. 14.95 UT: m1=11.0, Dia.=3.5′, DC=3; 20cm SCT (100x); Juan José González (Pandorado, 1190 m alt., León, España) [Coma interna más brillante, procedente de los dos outbursts previos, rodeada de una débil región externa, probablemente más amplia que los 3.5′ indicados, pero muy difícil de observar, remanente de eventos previos. Cielo muy claro de montaña]
2012 May. 09.93 UT: m1=11.0, Dia.=3′, DC=3/; 20cm SCT (100x); Juan José González (El Fito – Sierra del Sueve, 570 m alt., Asturias, España) [En evolución después de los dos recientes outbursts. Débil coma externa con más brillante región interior, característica de los estallidos de este cometa]
2012 Abr. 21.91 UT: m1=12.5, Dia.=2′, DC=2, no cola; 23.5cm SCT (138x); Carlos Labordena (Castellón, España)
2012 Abr. 08.90 UT: m1=12.0, Dia.=2.5′, DC=2/; 20cm SCT (133x); Juan José González (Pandorado, alt. 1190 m., León, España) [Coma débil y difusa, remanente de un posible outburst menor]
2012 Mar. 15.03 UT: m1=13.8, Dia.=0.8′, DC=6; 20cm SCT (133x); Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España) [Estrellas de campo comprobadas en el DSS. Estrellas de comparación de la fotometría Henden, campo 104-335 ].
2012 Feb. 19.44 UT: m1=[12.0; 25cm Reflector (48x); Salvador Aguirre (Hermosillo, Sonora, Mexico)
2012 Ene. 03.24 UT: m1=14.2, Dia.=0.3′, DC=7; 20cm SCT (222x); Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España) [En evolución después del reciente outburst menor. Estrellas de campo comprobadas en el DSS. Estrellas de comparación tomadas de la fotometría Henden del sector HS550. Cielo muy claro de montaña]
2011 Dec 23.22 UT: m1=11.5, Dia.=4′, DC=2, no cola; 23.5cm SCT(94x); Carlos Labordena (Castellón, España)
2011 Dic. 07.22 UT: m1=10.3, Dia.=6′, DC=2; 20cm SCT (77x); Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España) [Luz zodiacal]
2011 Dec. 06.23 UT: m1= 11.2, Dia.=4′, DC=2, no cola; 20cm SCT(80x); Carlos Labordena (Castellón, España)
2011 Nov. 29.47 UT: m1=[12.3; 25cm Reflector (48x); Salvador Aguirre (Hermosillo, Sonora, Mexico)
2011 Nov. 25.85 UT: m1=13.6, Dia.=0.7′, DC=3/; 40.0cm L f/4.5 (257x); Seiichi Yoshida (Gunma, Japan)
2011 Nov. 24.22 UT: m1=10.0, Dia.=7′, DC=2; 20cm SCT (77x); Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España) [Amplia y difusa coma. Luz zodiacal. Cielo muy claro de montaña ].
2011 Nov. 08.24 UT: m1=10.2, Dia.=8′, DC=2/; 20cm SCT (77x); Juan José González (El Fito – Sierra del Sueve, alt. 570 m., Asturias, España) [A 133x : m2=13.2 (GSC). Primera estimación personal después de la conjunción. Amplia y difusa coma de 8′, que parece ser un remanente de un fuerte outburst previo. Estrellas de campo comprobadas en el DSS. Luz zodiacal. Comienzo del crepúsculo astronómico. Altura sobre el horizonte: 17º. Cielo muy claro de montaña]
2011 Jun. 25.88 UT: m1=13.0, Dia.=1.2′, DC=3, no cola; 23.5cm SCT (94x); Carlos Labordena (Castellón, España)
2011 Jun. 23.37 UT: m1=12.5, Dia.=3.8’, DC=2; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [No tail, coma appears to have faint outer edges with slightly brighter inner third, broad central condensation with even brightness, averted vision. Comp Star= ASAS-3 105131+0032.2; Method= S; Cat= AU]
2011 Jun. 20.37 UT: m1=12.4, Dia.=3.3´, DC=1; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma appears evenly diffuse, no tail. Comp Star= ASAS-3 104852+0040.4; Method= S; Cat= AU]
2011 Jun. 19.38 UT: m1=12.1, Dia.=3.3’, DC=2/3; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Coma close to bright star making observation difficult, no tail, coma seems almost evenly diffuse, smallish broad central condensation]
2011 Jun. 06.43 UT: m1=12.2, Dia.=2.5’, DC=3; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [No tail, coma diffuse, almost even brightness with broad central condensation, slight interference by moonlight]
2011 Jun. 06.00 UT: m1=11.0, Dia.=3′, DC=2; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2011 Jun. 04.94 UT: m1=11.7, Dia.=1.5′, DC=4; 20.3cm SCT (50x); Alexandre Amorim (Florianopolis, Brazil) [ASAS-3]
2011 Jun. 04.89 UT: m1=12.4, Dia.=1.5′, DC=3, no cola; 23.5cm SCT (94x); Carlos Labordena (Castellón, España)
2011 Jun. 03.42 UT: m1=11.9, Dia.=2.5’, DC= 3; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Bright star at edge of coma, no tail, central condensation diffuse, coma elongated to the West, does not enhance with Swan band filter. Comp Star= ASAS-3 194322+0114.2; Method= S; Cat= AU]
2011 Jun. 01.94 UT: m1=10.2, Dia.=3.5′, DC=3/; 20cm SCT (100x); Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España ) [ Coma de 3.5′, con débil región exterior procedente de outbursts previos, incluyendo región interna de 1.5′ más brillante, procedente del reciente outburst. Cielo muy claro de montaña]
2011 May. 22.96 UT: m1=11.8, Dia.=1.5′, DC=6; 20cm SCT (100x); Juan José González (Sierra de Penouta – Boal, alt. 890 m., Asturias, España) [En evolución después del reciente nuevo outburst. Cometa cercano a estrella de mag 13.5 (GSC)]
2011 May. 14.97 UT: m1=12.7, Dia.=0.3′, DC=8; 20cm SCT (133x); Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España) [Importante interferencia de la luz lunar. El cometa se muestra fuertemente condensado después del más reciente nuevo outburst. Estrellas de comparación de la fotometría TASS. Cielo muy claro de montaña]
2011 May. 09.01 UT: m1=13.2, Dia.=1.5′, DC=6; 20cm SCT (100x); Juan José González (Villafáfila, alt. 710 m., Zamora, España) [m2=14.5 (HN). Coma interna más brillante, después del reciente outburst menor. Estrellas de campo comprobadas en el DSS. Estrellas de comparación de la fotometría Henden – campo G2681005 ].
2011 Abr. 30.94 UT: m1=12.4, Dia.=3′, DC=2, no cola; 23.5cm SCT (94x); Carlos Labordena (Castellón, España)
2011 Abr. 27.02 UT: m1=11.3, Dia.=4′, DC=2; 20cm SCT (100x); Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España) [Amplia coma difusa, remanente del outburst previo]
2011 Abr. 05.02 UT: m1=11.2, Dia.=4′, DC=2/; 20cm SCT (100x); Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España) [Coma de 4′, con débil región exterior procedente del outburst previo, incluyendo región interna de 1.5′ más brillante, procedente del reciente outburst]
2011 Abr. 01.88 UT: m1=12.8, Dia.=2′, DC=3, no cola; 23.5cm SCT (188x); Carlos Labordena (Castellón, España)
2011 Abr. 01.15 UT: m1=11.2, Dia.=5′, DC=2; 20cm SCT (100x); Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España) [Coma de 5′, con débil región exterior procedente del outburst previo, incluyendo región interna de 1.5′ más brillante, procedente del reciente outburst. Cielo muy claro de montaña]
2011 Mar. 30.90 UT: m1=13.4 ccd, Dia.=1.2′, DC=6/; 41cm L f:3.8 + CCD; Sergey Shurpakov (A98, Baran’, Belarus)
2011 Mar. 28.74 UT: m1=12.2, Dia.=2′.7, DC=5; 21cm Cassagrain; Man-To Hui (Mt. Guizi, Wuchang, China) [city lights]
2011 Mar. 07.00 UT: m1=12.2, Dia.=3′, DC=2; 20cm SCT (100x); Juan José González (Aralla, alt. 1430 m., León, España) [Estrellas de comparación para la m1 tomadas de la fotometría TASS ; m2=15.0 (Henden) después de un reciente outburst menor. La débil coma observada de 3′ es un remanente del outburst previo. Cielo muy claro de montaña]
2011 Feb. 05.02 UT: m1=13.8, Dia.=0.5′, DC=5; 20cm SCT (206x); Juan José González (Valle Peral – Lena, alt. 940 m., Asturias, España) [Estrellas de comparación tomadas de la fotometría Henden del sector G2681005. Cielo muy claro de montaña]
2011 Ene. 24.98 UT: m1=13.5, Dia.=0.4′, DC=6; 20cm SCT (133x); Juan José González (Pandorado, alt. 1190 m., León, España) [En evolución después del reciente menor outburst. Estrellas de comparación tomadas de la fotometría Henden del sector G2681005. Cielo muy claro de montaña]
2010 Dec. 04.82 UT: m1=14.3, Dia.=0.5′, DC=4; 40cm L f:4 (144x); Seiichi Yoshida (Kita-karuizawa, Gunma, Japan)
2010 Jun. 11.89 UT: m1=11.9, Dia.=1.5′, DC=3, no cola; 23.5cm SCT (94x); Carlos Labordena (Castellón, España)
2010 Jun. 03.93 UT: m1=11.8, Dia.=1.8′, DC=2/; 20cm SCT (133x); Juan José González (Alto del Trichero – Soto y Amío, alt. 1190 m., León, España)
2010 May. 16.98 UT: m1=11.2, Dia.=2.5′, DC=2/; 20cm SCT (100x); Juan José González (Cueto Rosales – Riello, alt. 1420 m., León, España)
2010 May. 15.88 UT: m1=11.7, Dia.=2′, DC=3, no cola; 23.5cm SCT (94x); Carlos Labordena (Castellón, España)
2010 May. 11.42 UT: m1=12.4, Dia.=1.2’, DC=3; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [No tail, small central condensation, not stellar. Comp Star= GSC-0825-0587; Method= S; Cat= HS]
2010 May. 10.40 UT: m1=12.4, Dia.=2.4’, DC=3; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [No tail. Comp Star= GSC-0825-0908; Method= S; Cat= HS]
2010 May. 09.78 UT: m1=12.2 ccd, Dia.=1.1′; 25cm L +CCD +R_c filter; Toni Scarmato (Calabria, Italia)
2010 May. 09.47 UT: m1=12.3, Dia.=1.5’, DC=1; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [No tail. Comp Star= GSC-0825-0751; Method= S; Cat= HS]
2010 May. 07.49 UT: m1=12.4, Dia.=1.5’, DC=1; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [No tail, close to bright stars. Comp Star= GSC-0825-0908; Method= S; Cat= HS]
2010 May. 06.41 UT: m1=11.3, Dia.=1.5’, DC=1/2; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [No tail. Comp Star= TYC 825-880-1; Method= S; Cat= TJ]
2010 May. 05.93 UT: m1=11.2, Dia.=2.5′, DC=2/; 20cm SCT (100x); Juan Jose Gonzalez (Pandorado, alt. 1190 m, Leon, España) [Varias estrellas en la coma, la más brillante de mag. 13.5 (GSC)]
2010 May. 05.40 UT: m1=11.3, Dia.=2.2’, DC=2; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [No tail. Comp Star= GSC-0825-0677; Method= S; Cat= HS]
2010 May. 04.22 UT: m1=13.0 ccd, Dia.=1.4′; 35.5 cm L +CCD; Artyom Novichonok & Dimitry Chestnov (remotely Mayhill, USA)
2010 May. 03.46 UT: m1=11.3, Dia.=2.3′, DC=3; 40.0cm L f/4.5 (75x); Seiichi Yoshida (Gunma, Japan)
2010 May. 03.39 UT: m1=11.8, Dia.=1.2’, DC=2; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [No tail, evenly diffuse. Comp Star= GSC-0825-1181; Method= S; Cat= HS]
2010 May. 02.48 UT: m1=11.5, Dia.=2.2′, DC=3; 40.0cm L f/4.5 (75x); Seiichi Yoshida (Gunma, Japan)
2010 Mai. 01.937 UT: m1=12.0, Dia.=2′, DC=2; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2010 May. 01.47 UT: m1=11.4, Dia.=2.2′, DC=3; 40.0cm L f/4.5 (75x); Seiichi Yoshida (Gunma, Japan)
2010 Apr. 20.40 UT: m1=11.9, Dia.=1’, DC=4/5; 25cm L, f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Moonlight, coma small, diffuse edges with bright central condensation although not quite stellar, no tail. Comp Star= GSC-0825-0543; Method= S; Cat= HS]
2010 Abr. 18.979 UT: m1=12.3, Dia.=0.7′, DC=6/; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2010 Abr. 17.00 UT: m1=11.7, Dia.=2.0′, DC=2; 20cm SCT (100x); Juan José González (La Cruz – Lieres, alt. 520 m, Asturias, España) [Nuevo outburst. Condensación central estelar con m2=12.8 (estrellas de comparación del campo Henden HS618 ). La coma de 2′ observada es un remanente del outburst previo]
2010 Abr. 16.958 UT: m1=12.5, Dia.=0.5′, DC=7/; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil) [novo outburst]
2010 Abr. 10.88 UT: m1=12.5, Dia.=1′, DC=2, no cola; 23.5cm SCT(138x); Carlos Labordena (Castellón, España)
2010 Abr. 10.000 UT: m1=12.4, Dia.=1.5′, DC=2; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2010 Abr. 08.021 UT: m1=12.4, Dia.=1.5′, DC=2/; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2010 Abr. 04.89 UT: m1=11.8, Dia.=2.5′, DC=1; 20cm SCT (100x); Juan José González (Alto del Trichero – Soto y Amío, alt. 1190 m., León, España)
2010 Mar. 19.86 UT: m1=11.8 ccd, Dia.=1.7′; 25cm L +ccd +Rc filter; Toni Scarmato (Calabria, Italia)
2010 Mar. 19.50 UT: m1=11.9, Dia.=5.4’, DC=1; 20cm T f:6 (39x); Chris Wyatt (Walcha, NSW, Australia) [No tail. Comp Star= GSC-0825-0404; Method= S; Cat= HS]
2010 Mar. 18.44 UT: m1=11.1, Dia.=6.4’, DC=1/2; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [No tail, coma appears circular, faint diffuse edge that gradually brightens toward the centre. Comp Star= TYC 825-736-1; Method= S; Cat= TJ]
2010 Mar. 17.79 UT: m1=13.1 ccd, Dia.=0.7′, DC=5; 25cm L +ccd +Rc filter; Toni Scarmato (Calabria, Italia)
2010 Mar. 17.41 UT: m1=11.4, Dia.=5.1’, DC=2; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [No tail, coma diffuse, close to bright star. Comp Star= TYC 826-901-1; Method= S; Cat= TJ]
2010 Mar. 15.45 UT: m1=11.8, Dia.=4’, DC=1; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [No tail, close to bright star, coma evenly diffuse. Comp Star= TYC 825-736-1; Method= S; Cat= TJ]
2010 Mar. 15.12 UT: m1=11.7, Dia.=1.5′, DC=2; 20cm SCT (133x); Juan José González (Aralla, alt. 1440 m., León, España)
2010 Mar. 13.979 UT: m1=11.5, Dia.=2′, DC=4; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2010 Mar. 13.95 UT: m1=11.2, Dia.=2.5′, DC=3, no cola; 23.5cm SCT (94x); Carlos Labordena (Castellón, España)
2010 Mar. 11.125 UT: m1=11.2, Dia.=2′, DC=4; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2010 Mar. 09.50 UT: m1=11.4, Dia.=5.5’, DC=1; 25cm L f:5 (39x); Chris Wyatt, Walcha (NSW, Australia) [No tail, coma diffuse. Comp Star= TYC 826-901-1; Method= S; Cat= TJ]
2010 Mar. 08.89 UT: m1=11.2, Dia.=2.5′, DC=2/; 20cm SCT (100x); Juan José González (Castañedo del Monte, Santo Adriano, alt. 640 m, Asturias, España)
2010 Mar. 08.47 UT: m1=11.4, Dia.=6.4’, DC=1; 25cm L f:5 (39x); Chris Wyatt Walcha, (NSW, Australia) [Coma very diffuse and circular, no tail. Comp Star= TYC 826-901-1; Method= S; Cat= TJ]
2010 Mar. 08.125 UT: m1=11.0, Dia.=2.5′, DC=4; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2010 Mar. 07.000 UT: m1=11.0, Dia.=2.5′, DC=4; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2010 Mar. 01.81 UT: m1=10.8, Dia.=1.5′, DC=5; 20 cm SCT (77x); Juan José González (Sierra de Fario, Sariego, alt. 660 m, Asturias, España) [Crepúsculo astronómico]
2010 Feb. 24.45 UT: m1=12.9 ccd, Dia.=2′, DC=6/; 0.41-m f/9 Ritchey-Chretien telescope + CCD; Sergey Shurpakov (Baran’, Belarus)
2010 Fev. 21.167 UT: m1=10.7, Dia.=2.5′, DC=4/; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2010 Feb. 20.34 UT: m1=12.2 ccd, Dia.=2.2′, DC=6/; 0.36-m L f/3.8 + CCD; Sergey Shurpakov (Baran’, Belarus)
2010 Feb. 20.322 UT: m1=11.0 ccd, Dia.=2.3′; 35.5 cm L +CCD; Artyom Novichonok & Dimitry Chestnov (remotely Mayhill, USA)
2010 Feb. 19.93 UT: m1=[11.6; 13 cm reflector; Artyom Novichonok (Konchezero, Russia)
2010 Feb. 19.61 UT: m1=10.6, Dia.=1.5′, DC=5; 20cm L 57x); Michael Mattiazzo (Castlemaine, Victoria) [coma appears as a bright circular haze of high surface brightness]
2010 Feb. 17.80 UT: m1=11.0, Dia.=1.8′, DC=5; 13 cm reflector; Artyom Novichonok (Konchezero, Russia)
2010 Feb. 17.15 UT: m1=12.0, Dia.=1´, DC=5, Cola: no; 15 cm SCT (37x); Salvador Aguirre (Hermosillo, Sonora, Mexico)
2010 Feb. 16.85 UT: m1=10.7, Dia.=2.1′, DC=6; 13 cm reflector; Artyom Novichonok (Konchezero, Russia)
2010 Fev. 15.083 UT: m1=10.8, Dia.=2′, DC=6; 22cm L f:6.5 (60x); Marco Goiato (Araçatuba, Brasil)
2010 Feb. 14.18 UT: m1=10.9 ccd, Dia.=1.6′; 18 cm L +CCD; Artyom Novichonok & Dimitry Chestnov (remotely Mayhill, USA)
2010 Feb. 12.68 UT: m1=11.0, Dia.=1.1’, DC=4; 25cm L, f:5 (39x) [Chris Wyatt, Walcha, NSW, Australia] Coma small, no tail, central condensation not sharply defined. Comp Star= GSC-0824-0115; Method= S; Cat= HS
2010 Feb. 11.69 UT: m1=11.1, Dia.=0.8’, DC=6; 25cm L, f:5 (39x) [Chris Wyatt, Walcha, NSW, Australia] Coma small, more diffuse, small central condensation, no tail. Comp Star= TYC 824-626-1; Method= S; Cat= TJ
2010 Feb. 10.50 UT: m1=10.7, Dia.=0.7’, DC=7; 25cm L, f:5 (39x) [Chris Wyatt, Walcha, NSW, Australia] Coma very small, bright central condensation, very thin diffuse coma edge, no tail. Comp Star= GSC-0824-0930; Method= S; Cat= HS
2010 Feb. 10.16 UT: m1=10.8, Dia.=90″, DC=6, no cola; 23.5cm SCT (67x); Carlos Labordena (Castellón, España)
2010 Feb. 10.04 UT: m1=11.1, Dia.=1.2′, DC=7; 20cm SCT (133x); Juan José González (Caldas de Luna, alt. 1120 m, León, España ) [ Se percibe una evolución más simétrica de la coma visible que en previos estallidos típicos del 29P]
2010 Fev. 07.250 UT: m1=11.0, Dia.=1′, DC=7; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil) [Luar]
2010 Feb. 06.54 UT: m1=10.8, Dia.=0.5′, DC=8; 20cm L (57x); Michael Mattiazzo (Castlemaine, Victoria)
2010 Feb. 06.54 UT: m1=11.0 ccd, Dia.=0.7′; 18-cm L + CCD; Artyom Novichonok & D. Chestnov (remotely Moorook, Australia)
2010 Feb. 06.35 UT: m1=11.5 ccd, Dia.=1.14′, DC=8; 0.36-m f/3.8 reflector + CCD; Sergey Shurpakov (Baran’, Belarus)
2010 Feb. 06.16 UT: m1:11.5, Dia.=1´, DC=8, Cola: No; 15cm SCT (37x); Salvador Aguirre (Hermosillo, Sonora, Mexico)
2010 Fev. 06.125 UT: m1=11.3, Dia.=1′, DC=8; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil) [expansão da coma e discreta redução do grau de condensação]
2010 Fev. 04.062 UT: m1=11.5, Dia.=0.4′, DC=8/; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil) [aparência estelar com aumento de 60x]
2010 Jan. 25.76 UT: m1=13.2 ccd, Dia.=1.0′; 18cm reflector + CCD; Artyom Novichonok (remotely Moorook, Australia)
2010 Jan. 24.58 UT: m1=13.5 ccd, Dia.=0.8′; 18cm reflector + CCD; Artyom Novichonok (remotely Moorook, Australia)
2009 Dic. 12.15 UT: m1=12.0, Dia.=2′, DC=1/; 20cm SCT (77x); Juan José González (Alto del Castro, alt. 1720 m, León, España)
2009 Nov. 24.14 UT: m1=11.9, Dia.=1.5′, DC=5; 20cm SCT (100x); Juan José González (Alto del Castro, alt. 1720 m, León, España)
2009 Nov. 18.11 UT: m1=11.8, Dia.=0.6′, DC=6; 20cm SCT (133x); Juan José González (Alto del Castro, alt. 1720 m, León, España) [En evolución después del reciente outburst]
2009 Nov. 14.281 UT: m1=11.9, Dia.=1.5′, DC=4/; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2009 Oct. 26.21 UT: m1=11.3, Dia.=3′, DC=2; 20cm SCT (77x); Juan José González (Alto del Castro, alt. 1720 m, León, España) [La coma de 3′ observada es un remanente del outburst previo. Luz zodiacal]
2009 Oct. 17.12 UT: m1=12.2, Dia.=1′, DC=3, no cola; 23.5cm SCT (94x); Carlos Labordena (Castellón, España)
2009 Sep. 29.20 UT: m1=11.5, Dia.=1.5′, DC=5; 20cm SCT (100x); Juan José González (Alto del Castro, alt. 1720 m, León, España)
2009 Sep. 25.17 UT: m1=12.1, Dia.=50″, DC=4, no cola; 23.5cm SCTm(138x); Carlos Labordena (Castellón, España)
2009 Sep. 23.19 UT: m1=11.7, Dia.=0.7′, DC=5; 20cm SCT (206x); Juan José González (Alto del Castro, alt. 1720 m, León, España) [En evolución después del reciente outburst. Luz zodiacal. Altura: 20º]
2002 Oct. 31.29 UT: m2=14.8 CCD, Dia.=&1.6′; 1.2-m reflector + CCD; R. Bambery, E. Helin, S. Pravdo, M. Hicks, K. Lawrence, P. Kervin, T. Prystavski (Near-Earth Asteroid Tracking NEAT, MPC 608)
2002 Oct. 11.41 UT: m1=13.2: CCD, Dia.=&1.3′; 1.2-m reflector + CCD; R. Bambery, E. Helin, S. Pravdo, M. Hicks, K. Lawrence, P. Kervin, T. Prystavski (Near-Earth Asteroid Tracking NEAT, MPC 608) [diffuse coma with fuzzy edges]
2002 Sep. 21.28 UT: m1=13.3 CCD, Dia.=0.8′; 1.2-m reflector + CCD; R. Bambery, E. Helin, S. Pravdo, M. Hicks, K. Lawrence, P. Kervin, T. Prystavski (Near-Earth Asteroid Tracking NEAT, MPC 608)
2002 Sep. 12.49 UT: m2=15.7 CCD, Dia.=&2′; 1.2-m reflector + CCD; R. Bambery, E. Helin, S. Pravdo, M. Hicks, K. Lawrence, P. Kervin, T. Prystavski (Near-Earth Asteroid Tracking NEAT, MPC 608)
2002 Sep. 02.44 UT: m2=14.9 CCD, Dia.=&3.0′; 1.2-m reflector + CCD; R. Bambery, E. Helin, S. Pravdo, M. Hicks, K. Lawrence, P. Kervin, T. Prystavski (Near-Earth Asteroid Tracking NEAT, MPC 608)
2002 Aug. 27.18 UT: m2=15.0 CCD, Dia.=&2.1′; 1.2-m Schmidt + CCD; R. Bambery, E. Helin, S. Pravdo, M. Hicks, K. Lawrence, R. Thicksten, T. Prystavski (Near-Earth Asteroid Tracking NEAT, MPC 644)
2002 Aug. 17.27 UT: m2=15.0 CCD, Dia.=&2.0′; 1.2-m Schmidt + CCD; R. Bambery, E. Helin, S. Pravdo, M. Hicks, K. Lawrence, R. Thicksten, T. Prystavski (Near-Earth Asteroid Tracking NEAT, MPC 644)
2002 Aug. 08.31 UT: m2=13.8 CCD, Dia.=&1′; 1.2-m Schmidt + CCD; R. Bambery, E. Helin, S. Pravdo, M. Hicks, K. Lawrence, R. Thicksten, T. Prystavski (Near-Earth Asteroid Tracking NEAT, MPC 644)
2002 Jul. 18.32 UT: m2=15.7 CCD, Dia.=&5′; 1.2-m Schmidt + CCD; R. Bambery, E. Helin, S. Pravdo, M. Hicks, K. Lawrence, R. Thicksten, T. Prystavski (Near-Earth Asteroid Tracking NEAT, MPC 644)
2002 Jul. 06.30 UT: m2=15.5 CCD, Dia.=&3.5′; 1.2-m Schmidt + CCD; R. Bambery, E. Helin, S. Pravdo, M. Hicks, K. Lawrence, R. Thicksten, T. Prystavski (Near-Earth Asteroid Tracking NEAT, MPC 644)
2002 Jul. 05.46 UT: m2=15.3 CCD, Dia.=&3.5′; 1.2-m Schmidt + CCD; R. Bambery, E. Helin, S. Pravdo, M. Hicks, K. Lawrence, R. Thicksten, T. Prystavski (Near-Earth Asteroid Tracking NEAT, MPC 644)
2002 Jun. 25.44 UT: m2=15.1 CCD, Dia.=&2′; 1.2-m Schmidt + CCD; R. Bambery, E. Helin, S. Pravdo, M. Hicks, K. Lawrence, R. Thicksten, T. Prystavski (Near-Earth Asteroid Tracking NEAT, MPC 644)
2002 Jun. 16.47 UT: m2=14.3 CCD, Dia.=&1.5′; 1.2-m Schmidt + CCD; R. Bambery, E. Helin, S. Pravdo, M. Hicks, K. Lawrence, R. Thicksten, T. Prystavski (Near-Earth Asteroid Tracking NEAT, MPC 644)
2002 May 15.59 UT: m1=13.2: CCD, Dia.=1.3′; 1.2-m reflector + CCD; R. Bambery, E. Helin, S. Pravdo, M. Hicks, K. Lawrence, P. Kervin, T. Prystavski (Near-Earth Asteroid Tracking NEAT, MPC 608) [diffuse coma with fuzzy edges]

27P/Crommelin
2011 Jul. 05.10 UT: m1=10.1, Dia.=3′, DC=3; 20cm SCT (100x); Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España) [Cielo muy claro de montaña. Comienzo del crepúsculo astronómico. Altura sobre el horizonte: 8º]
2011 Jul. 01.11 UT: m1=10.3, Dia.=3.5′, DC=3; 20cm SCT (100x); Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España) [Observación realizada desde ubicación de montaña, con muy buen seeing. Estrellas de campo comprobadas en el DSS. Comienzo del crepúsculo astronómico. Altura sobre el horizonte: 11º]

26P/Grigg-Skjellerup
2013 Sep. 06.81 UT: m1=[15.0, NEGATIVE; 50.8cm L (307x); Sandor Szabo (Hungary) [Comet is not seen, fainter than 15.0 mag]
2013 Aug. 27.38 UT: m1=14.9 CCD, Dia.=1.2′; 0.11m f/5.0 refractor + CCD; A. Novichonok & T.Prystavski (iTelescope observatory, Q62 (remotely Siding Spring, Australia))
2013 Aug. 11.12 UT: m1=13.5, Dia.=1.8′, DC=2; 30.5cm L (115x); Todd Augustyniak (Coral Woods Conservation Area, Marengo, Illinois, USA) [Comet 18 degrees altitude; faint, diffuse; only visible with averted vision]
2013 Aug. 04.13 UT: m1=[13.5; 40.6cm L (141x); Todd Augustyniak (Wildcat Mountain State Park, Ontario, Wisconsin, USA) [Comet not visible visually; positioned 13.5 degrees above horizon]
2013 Aug. 03.38 UT: m1=14.4: CCD, Dia.=&1.4′; 0.32-m f/7.4 Ritchey-Chretien + CCD; A. Novichonok & T. Prystavski (iTelescope observatory Q62. Remotely Siding Spring, Australia)
2013 Jul. 24.36 UT: m1=13.2: CCD, Dia.=&2.5′; 0.11m f/5.0 refractor + CCD; A. Novichonok & T.Prystavski (iTelescope observatory Q62. Remotely Siding Spring, Australia)
2013 Jul. 08.42 UT: m1=13.3, Dia.=0.9’, DC=1; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma very diffuse, averted vision, no tail, low alt (17°), zodiacal light interference]
2013 Jul. 08.36 UT: m1=12.4: CCD, Dia.=&3.3′; 0.11m f/5.0 refractor + CCD; A. Novichonok & T.Prystavski (iTelescope observatory Q62. Remotely Siding Spring, Australia)
2013 Jul. 06.41 UT: m1=13.5, Dia.=0.9’, DC=1/2; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma very diffuse, no tail, averted vision, altitude 20°. Windy conditions, zodiacal light interference, observed from 1240m alt.]
2013 Jul. 03.37 UT: m1=13.9, Dia.=0.4’, DC=0/1; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma very small and difficult to observe due to interference from Zodiacal light, observed over 25 minute period, motion checked, averted vision in good seeing. Also used magnification of x167 which showed the coma only fleetingly, x83 seemed to show the coma better in periods of good seeing]

24P/Schaumasse
2000 Nov. 27.37 UT: m1=18.6: CCD; 1.2-m reflector + CCD; R. Bambery, E. Helin, S. Pravdo, M. Hicks, K. Lawrence, P. Kervin, T.Prystavski (Near-Earth Asteroid Tracking NEAT, MPC 608) [faint starlike comet]
2000 Nov. 23.36 UT: m1=18.8: CCD; 1.2-m reflector + CCD; R. Bambery, E. Helin, S. Pravdo, M. Hicks, K. Lawrence, P. Kervin, T.Prystavski (Near-Earth Asteroid Tracking NEAT, MPC 608) [faint starlike comet]

22P/Kopff
2015 Nov. 30.77 UT: m1=9.7, Dia.=3′, DC=1/; 20-cm SCT (77x); Juan José González (Alto del Trichero – Soto y Amío, alt. 1190 m, León, España) [Altura sobre el horizonte: 8º. Luz zodiacal. Cielo muy claro de montaña]
2015 Nov. 14.75 UT: m1=10.2, Dia.=3′, DC=2, no cola; 20-cm SCT (80x); Carlos Labordena (Castellón, España)
2015 Nov. 07.95 UT: m1=10.0, Dia.=3′, DC=2; 22-cm L (60X); Marco Antonio Coelho Goiato (Araçatuba, Brazil) [Near a star with m1: 11.2]
2015 Nov. 07.77 UT: m1=9.2, Dia.=4′, DC=2/; 20-cm SCT (77x); Juan José González (Alto del Cellerón – Camposagrado, alt. 1190 m, León, España) [Altura sobre el horizonte: 10º. Crepúsculo astronómico. Cielo muy claro de montaña]
2015 Nov. 06.41 UT: m1=12.5, Dia.=2.2’, DC=1; 25-cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma enhances slightly in Swan Band filter. No tail, very diffuse and difficult due to zodiacal light interference and a slightly hazy background sky]
2015 Oct. 19.72 UT: m1=9.8 DSRL, Dia.=3′, DC=2; Digital reflex+0.3m lens; Giuseppe Pappa (Sicily, Italy)
2015 Oct. 16.43 UT: m1=12.4, Dia.=1.3’, DC=2/; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Observation difficult due to Moonlight, zodiacal light and low altitude = 16.8°. Coma diffuse with slightly more condensed centre visible in periods of good seeing. Slight cloud interference. Coma does not enhance in Swan Band filter]
2015 Oct. 16.38 UT: m1=12.4: CCD, Dia.=&1.7′; [T31] 0.50-m f/6.8 astrograph + CCD + focal reducer; A. Novichonok & T. Prystavski (iTelescope observatory, Q62 (remotely from Siding Spring, Australia)
2015 Oct. 14.94 UT: m1=9.5, Dia.=4′, DC=2; 22-cm L (60x); Marco Antonio Coelho Goiato (Araçatuba, Brazil)
2015 Oct. 14.80 UT: m1=9.0, Dia.=5′, DC=2; 20-cm SCT (77x); Juan José González (Alto del Castro, alt. 1720 m, León, España) [Altura sobre el horizonte: 10º. Crepúsculo astronómico. Cielo muy claro de montaña]
2015 Oct. 09.79 UT: m1=9.8, Dia.=3′, DC=2, no cola; 20-cm B (50x); Carlos Labordena (Castellón, España)
2015 Oct. 06.94 UT: m1=9.6, Dia.=4′, DC=3; 22-cm L (60x); Marco Antonio Coelho Goiato (Araçatuba, Brazil) [ No enhancement with comet filter ]
2015 Oct. 02.38 UT: m1=12.5 CCD, Dia.=2.2′, Tail= 1.1′ in PA: 107 deg.; [T31] 0.50-m f/6.8 astrograph + CCD + focal reducer; A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely from Siding Spring, Australia)
2015 Oct. 01.81 UT: m1=9.5, Dia.=4′, DC=2/; 20-cm SCT (77x); Juan José González (Alto del Castro, alt. 1720 m, León, España) [Altura sobre el horizonte: 9º. Fin del crepúsculo astronómico. Cielo muy claro de montaña]
2015 Sep. 15.93 UT: m1=10.1, Dia.=2′, DC=2; 18cm L (45x); Alexandre Amorim (Florianopolis, Brazil)
2015 Sep. 14.92 UT: m1=10.1, Dia.=2′, DC=2; 18cm L (45x); Alexandre Amorim (Florianopolis, Brazil)
2015 Sep. 07.39 UT: m1=12.6 CCD, Dia.=2.0′, Tail=2.8′ in PA: 107 deg.; [T31] 0.50-m f/6.8 astrograph + CCD + focal reducer; A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely from Siding Spring, Australia)
2015 Aug. 18.37 UT: m1=12.7 CCD, Dia.=2.0′, Tail=2.4′ in PA: 107 deg.; [T31] 0.50-m f/6.8 astrograph + CCD + focal reducer; A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely from Siding Spring, Australia)
2015 Aug. 07.94 UT: m1=11.7, Dia.=2′, DC=3; 22-cm L (160x); Marco Antonio Coelho Goiato (Araçatuba, Brazil)
2015 Jul. 18.36 UT: m1=13.0: CCD, Dia.=&2.4′; [T31] 0.50-m f/6.8 astrograph + CCD + focal reducer; A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely from Siding Spring, Australia)
2015 July 10.85 UT: m1=11.8, m2=13.4 (inner coma), m3=14.8 (starlike nucleus), Dia.=1.8′ (inner coma is 0.33′), DC=D5; 25-cm L (150x); Gábor Sánta (Zlatibor, Serbia) [very strong disk-shape inner coma]
2015 July 07.47 UT: m1=12.7, Dia.=1.7’, DC=2/; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma very diffuse, transparent outer coma, slightly brighter centre that weakly condensed. Does not enhance in Swan Band filter]
2015 July 07.40 UT: m1=12.5, Dia.=0.8′, DC=2/; 30-cm f/5 Dobson 25mm; Con Stoitsis (Nagambie, Australia) [Coma very defussed and uniformed across]
2015 June 14.16 UT: m1=15.5 CCD, Dia.=0.6’; Measures taken on CCD images unfiltered; Pierre Laporte (Cd’OA des Monts Notre-Dame, Québec, Canada)
2015 June 09.39 UT: m1=13.5, Dia.=0.8′, DC=2; 40.6-cm L f/4 (165x); Paul Camilleri (Warners Bay, Australia)
2015 June 08.39 UT: m1=13.5, Dia.=0.7′, DC=3; 40.6-cm L f/4 (165x); Paul Camilleri (Warners Bay, Australia)
2015 June 07.36 UT: m1=13.5, Dia.=1.4’, DC=1/; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Difficult, coma very diffuse, central condensation slightly brighter in good seeing, no tail. Galaxy M61 visible 27.8’ away in P.A. 272°]
2015 June 07.19 UT: m1=15.4 CCD, Dia.=0.6’; Measures taken on CCD images unfiltered; Pierre Laporte (Cd’OA des Monts Notre-Dame, Québec, Canada)
2015 June 06.37 UT: m1=13.5, Dia.=0.8′, DC=3; 40.6-cm L f/4 (165x); Paul Camilleri (Warners Bay, Australia)
2015 Jun. 04.88 UT: m1=13.0: CCD, Dia.=&2.3′; [T16] 0.15-m f/7.3 refractor + CCD; A. Novichonok & T. Prystavski (AstroCamp Observatory, I89 remotely from Nerpio, Spain)
2015 May  21.97 m1=14.2 CCD + R filter, Dia.=25″, DC=5, Fantail=1′ in PA: 38-117 deg., ; 70-cm f/4 L + CCD; Alexander Baransky (Kyiv comet station MPC 585, Ukraine) [Fantail curved CCW]
2015 May  20.93 UT: m1=14.1 + R filter, Dia.=36″, DC=5, Fantail=1′ in PA: 317-101 deg.,; 70-cm f/4 L + CCD; Alexander Baransky (Kyiv comet station MPC 585, Ukraine) [Fantail curved CCW]
2015 May  16.52 UT: m1=14.0, Dia.=0.6′, DC=2/; 40.6-cm L f/4 (165x); Paul Camilleri (Warners Bay, Australia)
2015 May  15.95 UT: m1=13.8, Dia.=1.0′, DC=3; 30,5cm L F/4.9 (93x); J. P. Navaro Pina (Bullas, Murcia, Spain)
2015 May  15.89 UT: m1=12.7, Dia.=1.2′, DC=2; 32cm L f/5 (96x); Uwe Pilz (Leipzig, Germany)
2015 May  15.23 UT: m1=15.7 CCD, Dia.=0.7’; Measures taken on CCD images unfiltered; Pierre Laporte (Cd’OA des Monts Notre-Dame, Québec, Canada)
2015 May  12.98 UT: m1=14.2 + R filter, Dia.=43″, DC=5, Fantail=1′ in PA: 354-138 deg.; 70-cm f/4 L + CCD; Alexander Baransky (Kyiv comet station MPC 585, Ukraine)
2015 May  11.91 UT: m1=12.9, Dia.=1.5′, DC=2; 50.8 cm L (189x); Sandor Szabo (Sopron, Hungary) [Very large and diffuse]
2015 May  10.93 UT: m1=11.0, Dia.=2.0′, DC=2; 32cm L f/5 (48x); Uwe Pilz (Leipzig, Germany)
2015 May  10.92 UT: m1=14.4, Dia.=0.5′, DC=4/; 35cm L (239x); Jakub Cerny (Senohraby, Czech Republic)
2015 May  10.45 UT: m1=14.4, Dia.=0.7’, DC=2/; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma diffuse, slight brightening at centre; No tail]
2015 May  08.39 UT: m1=14.3, Dia.=0.6’, DC=2/; 25cm L f:5 (183x); Chris Wyatt (Walcha, NSW, Australia) [Coma very small and diffuse; no tail]
2015 May  07.89 UT: m1=13.0, Dia.=1.5′, DC=1; 30.5cm L (93x) ; J. P. Navarro Pina (El Palmar, Murcia, Spain)
2015 May  05.98 UT: m1=14.2 CCD + R filter, Fan-like coma 25″, DC=5, Tail=1′.8 in PA: 45 deg.; 70-cm f/4 L + CCD; Alexander Baransky (Kyiv comet station MPC 585, Ukraine)
2015 Apr. 21.98 UT: m1=14.2 CCD + R filter, Dia.=43″, DC 6, Tail=1′ in PA: 325-60 deg.; 70-cm f/4 L + CCD; Alexander Baransky (Kyiv comet station MPC 585, Ukraine)
2015 Apr. 15.22 UT: m1=13.3: CCD, Dia.=&1.9′; [T20] 0.1-m f/5.0 astrograph + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, H06 remotely from Mayhill, U.S.A.)
2015 Apr. 10.99 UT: m1=14.0 CCD + R filter, Dia.=30″, DC 5, Tail=30″ in PA: 320-61 deg.; 70-cm f/4 L + CCD; Alexander Baransky (Kyiv comet station MPC 585, Ukraine)
2015 Mar. 18.93 UT: m1=15.2, Dia.=0.6′, DC=2; 50.8 cm L (351x); Sandor Szabo (Sopron, Hungary)
2015 Mar. 11.97 UT: m1=15.4 CCD, Dia.=0.6′; [T16] 0.15-m f/7.3 refractor + CCD; A. Novichonok & T.Prystavski (AstroCamp Observatory, I89 remotely from Nerpio, Spain)
2015 Mar. 06.06 UT: m1=16.4 CCD + R filter, Dia.=14″, DC 5, FanTail=20″ in PA: 326-36 deg.; 70-cm f/4 L + CCD; Alexander Baransky (Kyiv comet station MPC 585, Ukraine)
2015 Feb. 18.04 UT: m1=16.0 CCD + R filter, Dia.=16″, DC 5, Tail=30″ in PA: 343-60 deg.; 70-cm f/4 L + CCD; Alexander Baransky (Kyiv comet station MPC 585, Ukraine)
2015 Feb. 13.40 UT: m1=15.8 CCD, Dia.=0.4′; [T20] 0.1-m f/5.0 astrograph + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, H06 remotely from Mayhill, U.S.A.)
2015 Jan. 25.43 UT: m1=16.6: CCD, Dia.=0.4′; [T20] 0.1-m f/5.0 astrograph + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, H06 remotely from Mayhill, U.S.A.)
2015 Jan. 18.54 UT: m1=15.4 CCD, Dia.=0.6′; [T20] 0.1-m f/5.0 astrograph + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, H06 remotely from Mayhill, U.S.A.)
2009 Nov. 11.74 UT: m1=14.4 ccd, Dia.=0.9′, DC=2; 25cm L +ccd +Rc filter; Toni Scarmato (Calabria, Italia)
2009 Nov. 13.000 UT: m1=12.0, Dia.=2.5′, DC=2; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2009 Nov. 08.83 UT: m1=11.7, Dia.=3′, DC=1; 20 cm SCT (100x); Juan Jose Gonzalez (Trascastro de Luna, alt. 1010 m, León, España)
2009 Out. 24.104 UT: m1=11.7, Dia.=2′, DC=2; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2009 Out. 21.125 UT: m1=11.8, Dia.=2′, DC=2; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2009 Oct. 16.85 UT: m1=11.2, Dia.=2′, DC=2, no cola; 23.5cm SCT (67x); Carlos Labordena (Castellón, España)
2009 Out. 16.104 UT: m1=11.4, Dia.=2′, DC=2; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2009 Oct. 11.82 UT: m1=11.2, Dia.=3′, DC=2; 20 cm SCT (77x); Juan José González (Alto del Castro, alt. 1720 m, León, España)
2009 Out. 10.125 UT: m1=11.5, Dia.=3′, DC=2; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2009 Sep. 29.07 UT: m1=11.0, Dia.=3′, DC=3; 20 cm SCT (100x); Juan José González (Alto del Castro, alt. 1720 m, León, España)
2009 Set. 25.135 UT: m1=11.0, Dia.=3′, DC=2; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2009 Sep. 24.92 UT: m1=10.7, Dia.=2.5′, DC=3, no cola; 23.5cm SCT (138x); Carlos Labordena (Castellón, España)
2009 Sep. 22.93 UT: m1=11.1, Dia.=3′, DC=3; 20 cm SCT (77x); Juan José González (Alto del Castro, alt. 1720 m, León, España)
2009 Sep. 20.74 UT: m1=10.8, Dia.=2.0′, DC=3/; 40.0cm L f/4.5 (75x); Seiichi Yoshida (Gunma, Japan)
2009 Set. 14.125 UT: m1=10.5, Dia.=3′, DC=2/; 22cm L f:6.5 (60x); Marco Goiato (Araçatuba, Brasil)
2009 Sep. 11.91 UT: m1=10.7, Dia.=3′, DC=3; 20 cm SCT (100x); Juan José González (Aralla, alt. 1360 m, León, España)
2009 Aug. 31.10 UT: m1=10.4, Dia.=4′, DC=3/; 20cm SCT (77x); Juan José González (Alto del Castro – Aralla, alt. 1720 m, León, España)
2009 Aug. 29.02 UT: m1=10.4, Dia.=3′, DC=3; 20 cm SCT (77x); Juan José González (Alto del Castro – Aralla, alt. 1720 m, León, España)
2009 Ago. 27.146 UT: m1=10.5, Dia.=3.5′, DC=3; 22cm L f:6.5 (60x); Marco Goiato (Araçatuba, Brasil)
2009 Ago. 23.242 UT: m1=10.4, Dia.=5.0′, DC=2; 15cm SCT (37x); Salvador Aguirre (Hillo, Sonora, México)
2009 Ago. 21.98 UT: m1=10.9, Dia.=3′, DC=3; 23.5cm SCT (67x); Carlos Labordena (Castellón, España)
2009 Aug. 19.03 UT: m1=10.7, Dia.=3′, DC=6; 51cm L f:5 (82x); José Carvajal (Avila, España)
2009 Aug. 19.01 UT: m1=10.3, Dia.=4′, DC=3; 20 cm SCT (77x); Juan José González (Alto del Castro – Aralla, alt. 1720 m, León, España)
2009 Ago. 17.125 UT: m1=10.4, Dia.=4′, DC=3; 22cm L f:6.5 (60x); Marco Goiato (Araçatuba, Brasil)
2009 Aug. 16.44 UT: m1=10.5, Dia.=8’, DC=5; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [No tail, faint background stars in vicinity of coma. Comp Star= TYC 5816-869-1; Method= S; Cat= TJ]
2009 Aug. 15.56 UT: m1=10.9, Dia.=2.5’, DC=4/5; 20cm T f:10 (63x); Chris Wyatt (Walcha, NSW, Australia] [No tail, coma elongated to West. Comp Star= TYC 5816-544-1; Method= S; Cat= TJ]
2009 Aug. 14.49 UT: m1=10.8, Dia.=5’, DC=5; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia] [No tail. Comp Star= TYC 5816-735-1; Method= S; Cat= TJ]
2009 Jul. 14.96 UT: m1=10.2, Dia.=4′, DC=3; 23.5cm SCT (67x); Carlos Labordena (Castellón, España)
2002 May. 16.24 UT: m1=15.2 CCD, Dia.=0.7′, Tail=0.5′ in PA: 33 deg.; 1.2-m reflector + CCD; R. Bambery, E. Helin, S. Pravdo, M. Hicks, K. Lawrence, P. Kervin, T.Prystavski (Near-Earth Asteroid Tracking NEAT, MPC 608)
2002 May. 09.37 UT: m1=15.3: CCD, Dia.=&0.6′, Tail=0.5′ in PA: 5 deg.; 1.2-m reflector + CCD; R. Bambery, E. Helin, S. Pravdo, M. Hicks, K. Lawrence, P. Kervin, T.Prystavski (Near-Earth Asteroid Tracking NEAT, MPC 608) [bright star close to nucleus]
2002 Apr. 11.54 UT: m1=15.2 CCD, Dia.=0.43′; 1.2-m reflector + CCD; R. Bambery, E. Helin, S. Pravdo, M. Hicks, K. Lawrence, P. Kervin, T.Prystavski (Near-Earth Asteroid Tracking NEAT, MPC 608)
2002 Apr. 02.41 UT: m1=15.6: CCD, Dia.=&0.4′; 1.2-m Schmidt + CCD; R. Bambery, E. Helin, S. Pravdo, M. Hicks, K. Lawrence, P. Kervin, T.Prystavski (Near-Earth Asteroid Tracking NEAT, MPC 644) [poor quality and noisy images]
2002 Jan. 14.58 UT: m1=17.8 CCD, Dia.=0.24′; 1.2-m reflector + CCD; R. Bambery, E. Helin, S. Pravdo, M. Hicks, K. Lawrence, P. Kervin, T.Prystavski (Near-Earth Asteroid Tracking NEAT, MPC 608)
1996 Sep. 14.26 UT: m2=14.3 CCD, Dia.=1.4′, Tail=2′ in PA:55 deg.; 1.2-m reflector + CCD; R. Bambery, E. Helin, S. Pravdo, M. Hicks, K. Lawrence, P. Kervin, T.Prystavski (Near-Earth Asteroid Tracking NEAT, MPC 608)
1996 Jul. 23.32 UT: m2=12.7 CCD, Dia.=&10′; 1.2-m reflector + CCD; R. Bambery, E. Helin, S. Pravdo, M. Hicks, K. Lawrence, P. Kervin, T.Prystavski (Near-Earth Asteroid Tracking NEAT, MPC 608)
1996 Jul. 20.38 UT: m2=12.6 CCD, Dia.=&9′; 1.2-m reflector + CCD; R. Bambery, E. Helin, S. Pravdo, M. Hicks, K. Lawrence, P. Kervin, T.Prystavski (Near-Earth Asteroid Tracking NEAT, MPC 608)
1996 Jul. 19.54 UT: m2=12.4 CCD, Dia.=&11′; 1.2-m reflector + CCD; R. Bambery, E. Helin, S. Pravdo, M. Hicks, K. Lawrence, P. Kervin, T.Prystavski (Near-Earth Asteroid Tracking NEAT, MPC 608)
1996 Jul. 18.44 UT: m2=12.5 CCD, Dia.=&11′; 1.2-m reflector + CCD; R. Bambery, E. Helin, S. Pravdo, M. Hicks, K. Lawrence, P. Kervin, T.Prystavski (Near-Earth Asteroid Tracking NEAT, MPC 608)

21P/Giacobini-Zinner
2012 Ene. 10.78 UT: m1=8.8, Dia.=9′, DC=3/; 20cm SCT (77x); Juan José González (Alto del Castro – Aralla, alt. 1720 m., Leon, España) [Amplia y difusa coma elongada. Fin del crepúsculo astronómico. Altura sobre el horizonte: 12º. Cielo muy claro de montaña]
2011 Dic. 22.78 UT: m1=9.3, Dia.=9′, DC=3; 20cm SCT (77x); Juan José González (Collada del Fresno – Sierra del Aramo, 1221 m, Asturias, España) [Significativamente más brillante que lo esperado. Amplia y difusa coma externa. Altura sobre el horizonte: 11º. Cielo muy claro de montaña]
2011 Nov. 25.37 UT: m1=12.2, Dia.=1.3′, DC=4; 40.0cm L f/4.5 (144x); Seiichi Yoshida (Gunma, Japan)
2011 Nov. 24.38 UT: m1=[12.1; 40.0cm L f/4.5 (144x); Seiichi Yoshida (Gunma, Japan)
2011 Nov. 17.78 UT: m1=12.2, Dia.=1.5′, DC=4; 20cm SCT (133x); Juan José González (Angliru – Sierra del Aramo, alt. 1540 m., Asturias, España) [Estrellas de comparación de la fotometría TASS. Altura sobre el horizonte: 18º. Cielo muy claro de montaña]

19P/Borrelly
2015 Nov. 12.15 UT: m1=13.6, Dia.=1.4′, DC=3; 60.3-cm L (244x); Sandor Szabo (Sopron, Hungary)
2015 Oct. 15.22 UT: m1=10.2, Dia.=4′, DC=2; 20-cm SCT (100x); Juan José González (Alto del Castro, alt. 1720 m, León, España) [Altura sobre el horizonte: 23º. Comienzo del crepúsculo astronómico. Luz zodiacal. Cielo muy claro de montaña]
2015 Sep. 19.13 UT: m1=10.9, Dia.=1.4′, DC=2; 32.0-cm L f/5 (96x); Uwe Pilz (Leipzig, Germany)
2015 Feb. 01.42 UT: m1=15.1: CCD; [T31] 0.50-m f/6.8 astrograph + CCD + focal reducer; A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely from Siding Spring, Australia) [nautical twilight, comet is low over the horizon: altitude +22 deg.]
2014 Dec. 12.44 UT: m1=16.2 CCD, Dia.=0.3′; [T31] 0.50-m f/6.8 astrograph + CCD + focal reducer; A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely from Siding Spring, Australia)
2014 Nov. 21.48 UT: m1=16.9 CCD, Dia.=0.22′; [T9] 0.32-m f/7.4 Ritchey-Chretien + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, Q62, remotely from Siding Spring, Australia)

17P/Holmes
2015 Feb. 07.79 UT: m1=14.7, Dia.=0.5′, DC=2; 40cm L (250x); Sandor Szabo (Sopron, Hungary)
2015 Feb. 06.94 UT: m1=16.7 CCD + R filter, Dia.=30″, DC 3/; 70-cm f/4 L + CCD; Alexander Baransky (Kyiv comet station MPC 585, Ukraine)
2015 Jan. 29.73 UT: m1=13.2, Dia.=0.2′; 32.0cm L f/5 (180x); Uwe Pilz (Leipzig, Germany)
2015 Jan. 14.93 UT: m1=16.9 CCD + R filter, Dia.=10″, DC 4; 70-cm f/4 L + CCD; Alexander  Baransky (Kyiv comet station MPC 585, Ukraine)
2014 Dec. 20.78 UT: m2=16.8 CCD; [T16] 0.15-m f/7.3 refractor + CCD; A. Novichonok & T. Prystavski (AstroCamp Observatory, I89 remotely from Nerpio, Spain)
2014 Nov. 27.51 UT: m1=16.2 CCD, Dia.=0.3′, Tail=0.6′ in PA: 247 deg.; [T20] 0.1-m f/5.0 astrograph + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, H06, remotely Mayhill, U.S.A.)
2014 Oct. 02.47 UT: m2=16.7 CCD; [T21] 0.43-m f/6.8 astrograph + CCD + f/4.5 focal reducer; A. Novichonok & T.Prystavski (iTelescope observatory, H06, remotely Mayhill, U.S.A.) [couldn’t estimate coma diameter and total brightness because of poor limiting magnitude images obtained]
2014 Sep. 28.15 UT: m1=16.0, DC=3; Visual 36″ F/3.5; Jean-François Viens (Cd’OA des Monts Notre-Dame, Québec, Canada)
2014 Sep. 22.66 UT: m1=14.3, Dia.=0.6′, DC=4; 40cm L f/4.5 (257x); Seiichi Yoshida (Gunma, Japan)
2014 Aug. 30.19 UT: m1=16.0 CCD; Dia.=0.6’; CCD images unfiltered; Pierre Laporte (Cd’OA des Monts Notre-Dame, Québec, Canada)
2014 Aug. 28.38 UT: m1=14.8 CCD, Dia.=0.4′, Tail= 0.7′ in PA: 270 deg.; 0.43-m f/6.8 astrograph + CCD + f/4.5 focal reducer; A. Novichonok & T. Prystavski (iTelescope observatory, H06, remotely Mayhill, U.S.A.)
2014 Aug. 28.04 UT: m1=14.4, Dia.=0.9′, DC=2; 40cm L (230x); Jakub Cerny (Zachotin, Czech Republic)
2014 Aug. 25.03 UT: m1=14.6, Dia.=0.8′, DC=2/; 40cm L (230x); Jakub Černý (Zachotin, Czech Republic)
2014 Aug. 24.24 UT: m1=15.7, DC=2; Visual, 36″ F/3.5; Jean-François Viens (Cd’OA des Monts Notre-Dame, Québec, Canada)
2014 Aug. 15.30 UT: m1=16.0 CCD, Dia.=0.1’; Measures taken on CCD images unfiltered; Clermont Vallière (Cd’A des Monts Notre-Dame, Québec, Canada)
2014 Aug. 01.04 UT: m1=13.5, DC=9; 32cm L f/5 (144x); Uwe Pilz (Leipzig, Germany)
2014 July 26.02 UT: m1=13.4, Dia.=1.2′, DC=4; 35cm L (239x); Jakub Cerný (Czech Republic)
2014 July 24.03 UT: m1=13.2, Dia.=1.0′, DC=3/; 35cm L (239x); Jakub Cerný (Czech Republic)
2014 July 02.00 UT: m1=14.0, Dia.=0.6′, DC=3; 50.8cm L (245x); Sandor Szabo (Sopron, Hungary)
2014 June 25.43 UT: m1=12.6: CCD, Dia.=&2.3′, Tail=9′ in PA: 252 deg.; 0.11-m f/5.0 refractor + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, H06 Remotely from Mayhill, U.S.A.) [very diffuse both coma and tail]
2014 June 07.43 UT: m1=13.1, Dia.=1.0′, DC=2/; 41cm L (229x); Alan Hale (Cloudcroft, New Mexico, USA) [The coma was pretty ill-defined]
2014 June 02.43 UT: m1=12.5, Dia.=2.0′, DC=~3; 41cm L (70x); Alan Hale (Cloudcroft, New Mexico, USA) [I still had to contend with low elevation, zodiacal light, and early twilight. Definite central brightening, but no condensation]
2014 June 01.43 UT: m1=12.8:, Dia.=1.0′; 41cm L (229x); Alan Hale (Cloudcroft, New Mexico, USA)
2013 Sep. 21.40 UT: m2=15.3 CCD, Dia.=&1.8′; 0.32-m f/7.4 Ritchey-Chretien + CCD; A. Novichonok & T.Prystavski (iTelescope observatory, Q62. Remotely Siding Spring, Australia))
2013 Aug. 03.40 UT: m2=15.6 CCD, Dia.=&0.7′; 0.32-m f/7.4 Ritchey-Chretien + CCD; A. Novichonok & T. Prystavski (iTelescope observatory Q62. Remotely Siding Spring, Australia)
2013 Jul. 05.41 UT: m1=14.5: CCD, Dia.=0.56′; 0.51-m f/4.5 astrograph + CCD; A. Novichonok & T.Prystavski (iTelescope observatory Q62. Remotely Siding Spring, Australia) [Observations may contain uncertainty due to a star close to comet’s nucleus]

16P/Brooks
2014 Sep. 26.78 UT: m1=17.8: CCD, Dia.=&0.2′; [T17] 0.43-m f/6.8 astrograph + CCD; A. Novichonok & T.Prystavski (iTelescope observatory, Q62, remotely Siding Spring, Australia)
2014 Aug. 31.46 UT: m1=16.2 CCD, Dia.=0.3′, Tail= &0.4′ in PA: 299 deg.; 0.51-m f/4.5 reflector + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, H06, remotely from Mayhill, U.S.A.)
2014 July 29.83 UT: m1=15.7: CCD, Dia.=&0.35′; 0.43-m f/6.8 astrograph + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely Siding Spring, Australia) [2 images were obtained at dawn: Sun Alt. -13 deg.]
2001 Dec. 17.26 UT: m2=16.9 CCD, Dia.=1.3′; 1.2m Schmidt + CCD; R. Bambery, E. Helin, S. Pravdo, M. Hicks, K. Lawrence, R. Thicksten, T. Prystavski (Near-Earth Asteroid Tracking MPC 644)

15P/Finlay
2015 Apr. 15.11 UT: m1=15.0: CCD, Dia.=&0.6′; [T20] 0.1-m f/5.0 astrograph + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, H06 remotely from Mayhill, U.S.A.)
2015 Apr. 10.83 UT: m1=15.9: CCD + R filter, Dia.=30″, DC 2; 70-cm f/4 L + CCD; Alexander Baransky (Kyiv comet station MPC 585, Ukraine) [Comet low on the horizon]
2015 Mar. 23.74 UT: m1=15.0: CCD + R filter, Dia.=1′, DC 4; 70-cm f/4 L + CCD; Alexander Baransky (Kyiv comet station MPC 585, Ukraine)
2015 Mar. 18.79 UT: m1=[15.0 NEGATIVE; 50.8 cm L (307x); Sandor Szabo (Sopron, Hungary) [I suspected something on the field, but not sure. Maybe very diffuse]
2015 Mar. 16.75 UT: m1=14.8 CCD + R filter, Dia.=55″, DC 4; 70-cm f/4 L + CCD; Alexander Baransky (Kyiv comet station MPC 585, Ukraine)
2015 Mar. 16.09 UT: m1=12.4 CCD, Dia.=2.0′; [T20] 0.1-m f/5.0 astrograph + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, H06 remotely from Mayhill, U.S.A.)
2015 Mar. 10.80 UT: m1=11.6, Dia.=–‘, DC=1; 25-cm L (66x); J. P. Navarro Pina (Bullas, Murcia, Spain) [stars cat. Tycho-2  comp. 1222-13-1 , 1222-713-1]
2015 Mar. 10.75 UT: m1=14.8 CCD + R filter, Dia.=1′, DC 4; 70-cm f/4 L + CCD; Alexander Baransky (Kyiv comet station MPC 585, Ukraine)
2015 Mar. 05.77 UT: m1=14.5 CCD + R filter, Dia.=1′, DC 4, Tail=2′ in PA: 88 deg.; 70-cm f/4 L + CCD; Alexander Baransky (Kyiv comet station MPC 585, Ukraine)
2015 Feb. 15.77 UT: m1=[11.3, Dia.=1.2′; 7.6cm L f/4 (38x); Marek Biely (Brno, Czech Republic) [It has faded out of my range. Fainter than 11.3 mag.]
2015 Feb. 15.76 UT: m1=11.1, Dia.=3’.1, DC=3, 35 cm reflector (107x); Jakub Cerný (Zachotin, Czech Republic)
2015 Feb. 13.80 UT: m1=10.8, Dia.=2.5′, DC=2, no cola; 20cm SCT (50x); Carlos Labordena (Castellón, España)
2015 Feb. 13.75 UT: m1=11.4, Dia.=3.0′, DC=2; 32cm L f/5 (96x); Uwe Pilz (Leipzig, Germany)
2015 Feb. 10.09 UT: m1=11.0: CCD, Dia.=&3.8′, Tail=&16′ in PA 70 deg; [T20] 0.1-m f/5.0 astrograph + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, H06 remotely from Mayhill, U.S.A.)
2015 Feb. 08.76 UT: m1=10.4, Dia.=2′, DC=1/; 25.4cm L f/5 (65x); Maik Meyer (Limburg, Germany)
2015 Feb. 07.74 UT: m1=11.2, Dia.=2.0′, DC=3; 40cm L (200x); Sandor Szabo (Sopron, Hungary)
2015 Jan. 25.43 UT: m1=10.3, Dia.=1.3’, DC=3; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Low altitude = 11.1°; Moonlight; Appears as a faint smudge slightly brighter than background sky with brightening to centre]
2015 Jan. 24.96 UT: m1=9.2:;18cm L (57x); Alexandre Amorim (Florianopolis, Brazil) [light pollution and moonlight]
2015 Jan. 24.42 UT: m1=10.5, Dia.=1’, DC=3; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Low altitude = 10.7°; Coma appears slightly elongated to the East approximately. Difficult due to twilight and moonlight interference, observed in gaps in clouds]
2015 Jan. 23.73 UT: m1=9.0:, Dia.=3′, DC=2/; 15.0 cm R f/5 (38x);  Maik Meyer (Limburg, Germany) [3 day old moon only 5 deg away, comet only glimpsed w/averted vision]
2015 Jan. 22.79 UT: m1=7.9, Dia.=2.5′, DC=6, no cola; 8cm B (11x); Carlos Labordena (Castellón, España)
2015 Jan. 21.73 UT: m1=8.2 Dia.=2′, DC=7; 12×50 B: Giuseppe Pappa (Sicily,Italy)
2015 Jan. 21.73 UT: m1=9.6, Dia.=1.3′, Tail= 0.04 deg. PA: 190 deg.; 32.0cm L f/5 (120x); Uwe Pilz (Leipzig, Germany)
2015 Jan. 20.09 UT: m1=[8.8; 15-cm T (37.5x); Salvador Aguirre (Hermosillo, Sonora, Mexico)
2015 Jan. 19.44 UT: m1=8.8, Dia.=5′, DC=5; 26×100 B; Katsumi Yoshimoto (Yamaguchi, Japan)
2015 Jan. 18.77 UT: m1=7.5, Dia.=3′, DC=7; 11.4cm L f/8 (45x); Neil Norman  [Small and condensed with a trace of outer coma which reveals its nature]
2015 Jan. 18.72 UT: m1=7.9, Dia.=4′, DC=5/; 20×88 B; Maik Meyer (Limburg, Germany)
2015 Jan. 18.43 UT: m1=8.2, Dia.=2.4’, DC=4/; 25cm L f:5 (x39); Chris Wyatt (Walcha, NSW, Australia) [Low altitude = 11°; Coma elongated to ENE approximately, thinly veiled tail visible 2.5’ in length as measured from the coma centre in P.A. 073°]
2015 Jan. 18.11 UT: m1=7.8, Dia.=4’, DC=3; 10×50 B; Carl Hergenrother (Tucson, AZ, USA)
2015 Jan. 17.98 UT: m1=7.0, Dia.=3’, DC=7; 7×50 B; Willian Souza (Sao Paulo, Brazil)
2015 Jan. 17.79 UT: m1=7.2, Dia.=4′, DC=7, no cola; 8cm B (11x); Carlos Labordena (Castellón, España)
2015 Jan. 17.77 UT: m1=8.0, Dia.=3′, DC=3, 10×50 B; J. P. Navarro Pina (El Palmar, Murcia, Spain)
2015 Jan. 17.75 UT: m1=7.9, Dia.=3′, DC=7; 11.4cm L f/8 (45x); Neil Norman (Ipswich, England) [Comet in outburst and easily located. Very strong degree of condensation noted]
2015 Jan. 17.72 UT: m1=7.0, Dia.=5′, DC=5/; 20×88 B;  Maik Meyer (Limburg, Germany)
2015 Jan. 17.44 UT: m1=7.8, Dia.=3.2’, DC=5; 25cm L f:5 (x39); Chris Wyatt (Walcha, NSW, Australia) [Low altitude = 7.8°; Coma shows diffuse outer coma, gradually brightening to centre to a moderately condensed centre. At x83 the central condensation is more smeared, opaque and a short tapered tail-like feature extends to the East but not beyond the coma. Reported in outburst, my observations a few nights previous (Jan 14.43 UT) gave a magnitude of 10.7]
2015 Jan. 17.00 UT: m1=8.2, Dia.=3′, DC=6/; 30.5 cm f/4.9 reflector (88x); Todd Augustyniak (suburbs of Chicago, USA)
2015 Jan. 17.41 UT: m1=7.5, Dia.=5′, DC=7; 26×100 B; Katsumi Yoshimoto (Yamaguchi, Japan)
2015 Jan. 16.99 UT: m1=7.0, Dia.=4′, DC=6; 10 B (20X); Marco Antonio Coelho Goiato (Araçatuba, Brazil) [Outburst]
2015 Jan. 16.98 UT: m1=7.1, Dia.=3′, DC=7; 22 L (60x); Marco Antonio Coelho Goiato (Araçatuba, Brazil) [Outburst]
2015 Jan. 14.43 UT: m1=10.7, Dia.=1.5’, DC=4; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Low altitude = 12.9°; Coma diffuse with brighter moderately condensed centre. At x83 the coma appears elongated to the East approximately]
2015 Jan. 13.71 UT: m1=9.7, Dia.=3.0′, DC=4/, 20×80 B; Marek Biely (Brno, Czech Republic) [Better visible than last time.]
2015 Jan. 10.71 UT: m1=10.0, Dia.=2.5′, DC=4; 7.6cm f/4 L (38x); Marek Biely (Brno, Czech Republic) [Slight interference of low clouds]
2015 Jan. 07.06 UT: m1=9.6: CCD, Dia.=4.5′, Tail>41.0′ in PA 70 deg; [T20] 0.1-m f/5.0 astrograph + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, H06 remotely from Mayhill, U.S.A.)
2015 Jan. 02.70 UT: m1=9.8, Dia.=3.0′; 32.0cm L f/5 (120x); Uwe Pilz (Leipzig, Germany)
2014 Dec. 29.75 UT: m1=9.8, Dia.=4′, DC=1; 25cm L (66x); J. P. Navarro Pina (El Palmar, Murcia, Spain)
2014 Dec. 29.43 UT: m1=10.6, Dia.=1.1’, DC=3; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma very diffuse with weakly condensed central condensation. No tail. Centre enhances very slightly using Swan Band filter. Low altitude = 15.5°; Moonlight interference]
2014 Dec. 28.76 UT: m1= 10.4, Dia=2′, DC=5, no cola; 20cm SCT (80x); Carlos Labordena (Castellón, España)
2014 Dic. 28.08 UT: m1=[10.2; 15cm SCT (75x); Salvador Aguirre (Hermosillo, Sonora, Mexico)
2014 Dec. 26.97 UT: m1=9.2, Dia.=3′, DC=3; 22cm L (60x); Marco Antonio Coelho Goiato (Araçatuba, Brazil) [moonlight]
2014 Dec. 26.72 UT: m1=9.9, Dia.=3.2′, DC=3/; 7.6cm f/4 L (38x); Marek Biely (Brno, Czech Republic) [Low altitude: 10,7 deg. above the horizon. Correction for an atmospheric extinction was not needed. Slight interference of heavy snow clouds and moonlight.]
2014 Dec. 26.71 UT: m1=9.6, Dia.=2.9′, DC=2/; 20×80 B; Marek Biely (Brno, Czech Republic) [Low altitude: 13,0 deg. above the horizon. Correction for an atmospheric extinction was not needed. Slight interference of heavy snow clouds and moonlight.]
2014 Dec. 25.70 UT: m1=9.4, Dia.=3.2′, DC=3; 20×80 B; Marek Biely (Brno, Czech Republic) [[Low altitude: 13,9 deg. above the horizon. Proximity to Mars helped to locate it, but not to see it. It is faint and diffuse object. Slight interference of astronomical twilight and moonligh]
2014 Dec. 24.97 UT: m1=9.2:, Dia.=3′, DC=4; 22cm L (160x); Marco Antonio Coelho Goiato (Araçatuba, Brazil) [Very near Mars, moonlight, clouds]
2014 Dec. 24.75 UT: m1=9.2, Dia.=4′, DC=3; 11.4mm L f/8 (45x); Neil Norman (Ipswich, England) [Very close proximity to Mars and the comet appears to be dimming after its outburst last week]
2014 Dec. 24.70 UT: m1=9.8 CCD, Dia.=3′, DC2; 300mm lens ccd camera; Giuseppe Pappa (Sicily, Italy)
2014 Dec. 23.72 UT: m1=9.7 CCD, Dia.=2′, DC2; 300mm lens ccd camera; Giuseppe Pappa (Sicily, Italy)
2014 Dec. 23.12 UT: m1=9.0, Dia.=2’, DC=2; 30×125 B; Carl Hergenrother (Tucson, AZ, USA)
2014 Dec. 22.75 UT: m1=9.4, Dia.=6′, DC=3; 25cm L (66x); J. P. Navarro Pina (Campos del Rio, Murcia, Spain)
2014 Dec. 22.72 UT: m1=9.8 CCD, Dia.=2′, DC2; 300mm lens ccd camera; Giuseppe Pappa (Sicily, Italy)
2014 Dec. 21.42 UT: m1=9.2, Dia.=2′, DC=2; 40.6cm L f/4 (76x); Paul Camilleri (Warners Bay, NSW, Australia)
2014 Dec. 21.04 UT: m1=9.8: CCD, Dia.=&2.6′, Tail=&11.1′ in PA: 78 deg.; [T20] 0.1-m f/5.0 astrograph + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, H06 remotely from Mayhill, U.S.A.) [captured in the evening twilight]
2014 Dec. 20.45 UT: m1=8.7; 25×100 B; David A. J. Seargent (Cowra, NSW, Australia) [Possibly more condensed than previous night. Similar to Dec. 18]
2014 Dec. 20.42 UT: m1=9.0, Dia.=2′, DC=3; 40.6cm L f/4 (76x); Paul Camilleri (Warners Bay, NSW, Australia)
2014 Dec. 19.97 UT: m1=8.9, Dia.=3′, DC=4; 22cm L (60x); Marco Antonio Coelho Goiato (Araçatuba, Brazil)
2014 Dec. 19.76 UT: m1=9.7, Dia.=2′, DC=6, no cola; 20cm SCT (50x); Carlos Labordena (Castellón, España)
2014 Dec. 19.46 UT: m1=8.7, Dia.=4′, Tail= 0.2 deg. PA= 90 deg.; 25×100 B; David A. J. Seargent (Cowra, NSW, Australia) [Did not seem as condensed as previous date]
2014 Dec. 19.43 UT: m1=9.0, Dia.=3.2’, DC=4/; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Inner coma moderately condensed, fainter outer coma, pale aqua-blue in colour, appears a more whiter colour towards the centre. Comet dims slightly using Swan Band filter. Faint tail visible 4’ in length in PA 076°; Low altitiude = 15.8°. Some zodiacal light interference]
2014 Dec. 19.07 UT: m1=9.0:, Dia.=&4´, DC=2/, Tail= Not visible; 15cm SCT (75x); Salvador Aguirre (Hermosillo, Sonora, Mexico)
2014 Dec. 18.96 UT: m1=8.5, Dia.=2′, DC=5; 18cm L (57x); Alexandre Amorim (Florianopolis, Brazil)
2014 Dec. 18.46 UT: m1=8.6; 25×100 B; David A. J. Seargent (Cowra, NSW, Australia) [Low elevation. Appeared to be a strong central condensation and possibly slightly elongated in anti-solar direction. Enhanced somewhat with Swan Band filter]
2014 Dec. 18.46 UT: m1=8.9, Dia.=2′, DC=5; 25×100 B; Michael Mattiazzo (Swan Hill, Victoria)
2014 Dec. 18.42 UT: m1=9.0, Dia.=3′, DC=4; 40.6 cm L f/4 (76x); Paul Camilleri (Warners Bay, NSW, Australia)
2014 Dec. 15.43 UT: m1=11.0, Dia.=1.5’, DC=3; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Low altitude = 14.6°; Zodiacal light interference; coma shows very diffuse outer coma and a noticeable central condensation.
2014 Dec. 14.96 UT: m1=10.4; 18cm L (57x); Alexandre Amorim (Florianopolis, Brazil)
2014 Dec. 12.47 UT: m1=11.7, Dia.=2’, DC=3; 20cm L (57x); Michael Mattiazzo (Swan Hill, Victoria)
2014 Oct. 08.44 UT: m1=17.5: CCD, Dia.=&0.4′; [T31] 0.50-m f/6.8 astrograph + CCD + focal reducer; A. Novichonok & T. Prystavski (iTelescope observatory, Q62, remotely from Siding Spring, Australia) [images obtained during lunar eclipse to avoid moonlight interference]

14P/Wolf
2000 Aug. 04.43 UT: m1=18.3 CCD; 1.2-m reflector + CCD; R. Bambery, E. Helin, S. Pravdo, M. Hicks, K. Lawrence, P. Kervin, T.Prystavski (Near-Earth Asteroid Tracking NEAT, MPC 608)

11P/Tempel-Swift-LINEAR
2001 Dec. 26.23 UT: m1=18.3 CCD, Dia.=0.23′; 1.2-m reflector + CCD; R. Bambery, E. Helin, S. Pravdo, M. Hicks, K. Lawrence, P. Kervin, T.Prystavski (Near-Earth Asteroid Tracking NEAT, MPC 608)
2001 Oct. 30.38 UT: m1=17.9 CCD, Dia.=0.18′; 1.2-m reflector + CCD; R. Bambery, E. Helin, S. Pravdo, M. Hicks, K. Lawrence, P. Kervin, T.Prystavski (Near-Earth Asteroid Tracking NEAT, MPC 608)
2001 Sep. 30.27 UT: m1=18.7 CCD; 1.2-m Schmidt + CCD; R. Bambery, E. Helin, S. Pravdo, M. Hicks, K. Lawrence, R. Thicksten, T.Prystavski (Near-Earth Asteroid Tracking NEAT, MPC 644)

10P/Tempel 2
2016 Jan. 08.74 UT: m1=11.8 DSLR, Dia.=1′; 1100d+300mm lens; Giuseppe Pappa (Sicily, Italy)
2015 Dec. 29.73 UT: m1=11.0 DSLR, Dia.=1.5′; canon 1100d+300mm lens; Giuseppe Pappa (Mascalucia, Sicily, Italy)
2015 Dec. 19.10 UT: m1=10.0, Dia.=4′, DC=3; 56-cm (100x); Brad Young (Tulsa, OK, USA)
2015 Dec. 07.19 UT: m1=10.0 DSLR, Dia.=4′; digital reflex+0.3m lens; Giuseppe Pappa (Sicily, Italy)
2015 Dec. 06.07 UT: m1=9.7, Dia.=2, DC=3; 30×125 B; Carl Hergenrother (Tucson, AZ, USA)
2015 Nov. 30.79 UT: m1=9.2, Dia.=5′, DC=2; 20-cm SCT (77x); Juan José González ( Alto del Trichero – Soto y Amío, alt. 1190 m, León, España) [Estrella de magnitud 11.3 (APASS) en la coma. Altura sobre el horizonte: 9º. Luz zodiacal. Cielo muy claro de montaña]
2015 Nov. 15.73 UT: m1=11.6 DSLR, Dia.=1′, Digital reflex+0.3m lens; Giuseppe Pappa (Sicily, Italy)
2015 Nov. 15.72 UT: m1=11.5 DSLR, Dia.=2′, Digital reflex+0.3m lens; Giuseppe Pappa (Sicily, Italy)
2015 Nov. 14.76 UT: m1=9.8, Dia.=3′, DC=2, no cola; 20-cm SCT (80x); Carlos Labordena (Castellón, España)
2015 Nov. 09.72 UT: m1=11.4 DSLR, Dia.=1′; Digital reflex+0.3m lens; Giuseppe Pappa (Sicily, Italy)
2015 Nov. 07.96 UT: m1=11.1, Dia.=1.5′, DC=3; 22-cm L (160X); Marco Antonio Coelho Goiato (Araçatuba, Brazil)
2015 Nov. 07.78 UT: m1=9.5, Dia.=4′, DC=2; 20-cm SCT (77x); Juan José González (Alto del Cellerón – Camposagrado, alt. 1190 m, León, España) [Altura sobre el horizonte: 11º. Cielo muy claro de montaña]
2015 Nov. 06.96 UT: m1=11.2:, Dia.=1.5′, DC=3; 22-cm L (160X); Marco Antonio Coelho Goiato (Araçatuba, Brazil) [Clouds]
2015 Nov. 06.40 UT: m1=11.7, Dia.=1.4’; DC=2/; 25-cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma very diffuse, semi-opaque, weakly condensed, pale blue in colour. Does not enhance in Swan Band filter. No tail]
2015 Oct. 31.08 UT: m1=[10.8, negative; 15-cm T (37.5x); Salvador Aguirre (Observatorio Real del Molinito, Hermosillo, Sonora, Mexico)
2015 Oct. 16.39 UT: m1=12.0: CCD Dia.=&2.4′; [T31] 0.50-m f/6.8 astrograph + CCD + focal reducer; A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely from Siding Spring, Australia)
2015 Oct. 14.81 UT: m1=9.5, Dia.=4′, DC=2/; 20-cm SCT (77x); Juan José González (Alto del Castro, alt. 1720 m, León, España) [Altura sobre el horizonte: 11º. Cielo muy claro de montaña]
2015 Oct. 09.42 UT: m1=11.1, Dia.=3.5’, DC=2; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Close to mag 11 and 12 stars; enhances slightly in Swan Band filter, no tail. Coma very diffuse and transparent]
2015 Oct. 08.40 UT: m1=11.3, Dia.=2.8′, DC=2/; 30cm Dobson; Con Stoitsis (Caulfield, Australia) [Coma very diffused and uniformed. Easier with averted vision]
2015 Oct. 06.95 UT: m1=10.6, Dia.=2′, DC=4; 22-cm L (60x); Marco Antonio Coelho Goiato (Araçatuba, Brazil) [No enhancement with comet filter]
2015 Oct. 05.41 UT: m1=11.0, Dia.=4.8’, DC=2; 25-cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Sky hazy, slight Zodiacal light interference. Coma very diffuse with very weakly condensed centre, no tail. Enhances slightly in Swan Band filter]
2015 Oct. 03.42 UT: m1=11.1, Dia.=3.4’, DC=2; 25-cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Very diffuse coma, enhances slightly in Swan Band filter, no tail; Zodiacal light interference]
2015 Oct. 03.38 UT: m1=12.2 CCD Dia.=2.7′; [T31] 0.50-m f/6.8 astrograph + CCD + focal reducer; A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely from Siding Spring, Australia)
2015 Sep. 06.80 UT: m1=14.3, Dia.=0.4′, DC=3; 60.3-cm L (244x); Sandor Szabo (Sopron, Hungary)
2015 Sep. 05.46 UT: m1=14.1 CCD, Dia.=1.3′; [T31] 0.50-m f/6.8 astrograph + CCD + focal reducer; A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely from Siding Spring, Australia)
2015 Aug. 18.37 UT: m1=15.5 CCD, Dia.=0.8′; [T31] 0.50-m f/6.8 astrograph + CCD + focal reducer; A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely from Siding Spring, Australia)
2015 Jul. 18.89 UT: m1=16.2 CCD Dia.=0.2′; [T7] 0.43-m f/6.8 astrograph + CCD; A. Novichonok & T.Prystavski (AstroCamp Observatory, I89 remotely from Nerpio, Spain)
2015 Jun. 08.87 UT: m1=16.8 CCD; 0.7-m f/4.0 reflector + CCD; S. Nazarov & T. Prystavski (Crimean Astrophysical Observatory, MPC 095 Crimea-Nauchnij)
2015 Jul. 08.48 UT: m1=17.7 CCD; [T31] 0.50-m f/6.8 astrograph + CCD + focal reducer; A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely from Siding Spring, Australia)
2015 Jun. 04.89 UT: m1=16.7 CCD; [T16] 0.15-m f/7.3 refractor + CCD; A. Novichonok & T. Prystavski (AstroCamp Observatory, I89 remotely from Nerpio, Spain)
2015 May  12.99 UT: m1=15.7 CCD + R filter, Dia.=10″, DC=8S; 70-cm f/4 L + CCD; Alexander Baransky (Kyiv comet station MPC 585, Ukraine) [Star-like coma]
2015 May  06.02 UT: m1=15.3 CCD + R filter, Dia.=9″, DC=8S; 70-cm f/4 L + CCD; Alexander Baransky (Kyiv comet station MPC 585, Ukraine)
2015 Apr. 22.03 UT: m1=16.4 CCD + R filter, Dia.=11″, DC 6; 70-cm f/4 L + CCD; Alexander Baransky (Kyiv comet station MPC 585, Ukraine)
2015 Apr. 21.83 UT: m1=16.8 CCD; 0.7-m f/4.0 reflector + CCD; S. Nazarov & T. Prystavski (Crimean Astrophysical Observatory, MPC 095 Crimea-Nauchnij)
2015 Apr. 17.48 UT: m1=16.7: CCD; [T21]0.43-m f/6.8 astrograph + CCD + f/4.5 focal reducer; A. Novichonok & T.Prystavski (iTelescope observatory, H06 remotely Mayhill, U.S.A.) [Morning twilight]
2015 Apr. 11.03 UT: m1=16.4 CCD + R filter, Dia.=9″, DC 7, Tail=18″ in PA: 247-39 deg.; 70-cm f/4 L + CCD; Alexander Baransky (Kyiv comet station MPC 585, Ukraine)
2015 Apr. 10.00 UT: m1=17.4 CCD; 0.7-m f/4.0 reflector + CCD; S. Nazarov & T. Prystavski (Crimean Astrophysical Observatory, MPC 095 Crimea-Nauchnij)
2010 Nov. 25.44 UT: m1=12.4, Dia.=3′, DC=1; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [No tail, coma diffuse, visible using averted vision. Comp Star= GSC-5275-1761; Method= S; Cat= HS]
2010 Dec. 04.43 UT: m1=12.8, Dia.=1.8′; 40cm L f:4 (144x); Seiichi Yoshida (Kita-karuizawa, Gunma, Japan)
2010 Dic. 04.06 UT: m1=11.1, Dia.=5′, DC=2, no cola; 20cm SC(50x); Carlos Labordena (Castellón, España)
2010 Nov. 28.83 UT: m1=10.7, Dia.=6′, DC=2; 20cm SCT (77x); Juan José González (Aralla, alt. 1440 m., León, España) [bajo Estrella de mag. 12.1 (Tycho-2) dentro de la coma]
2010 Nov. 25.44 UT: m1=12.4, Dia.=3′, DC=1; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [No tail, coma diffuse, visible using averted vision. Comp Star= GSC-5275-1761; Method= S; Cat= HS]
2010 Nov. 24.78 UT: m1=10.7, Dia.=7′, DC=2; 20cm SCT (77x); Juan José González (Aralla, alt. 1440 m., León, España)
2010 Nov. 12.125 UT: m1=11.1, Dia.=3′, DC=3, 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2010 Nov. 08.44 UT: m1=12.2, Dia.=5.5’, DC=2/3; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Coma large, gradual concentration to centre, not condensed. Comp Star= GSC-5851-1163; Method= S; Cat= HS]
2010 Nov. 07.167 UT: m1=10.9, Dia.=3′, DC=3; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2010 Nov. 03.042 UT: m1=10.6, Dia.=3′, DC=3; 22cm L f:6.5 (60x); Marco Goiato (Araçatuba, Brasil)
2010 Nov. 02.45 UT: m1=10.0, Dia.=7.7’, DC=3; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Coma diffuse, elongated to NW, background star in coma. Comp Star= TYC 5851-321-1; Method= S; Cat= TJ]
2010 Out. 28.052 UT: m1=10.4, Dia.=4′, DC=4; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2010 Oct. 27.43 UT: m1=11.6, Dia.=3.5′, DC=2; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [No tail, close to bright star, coma observed with averted vision Comp Star= GSC-5851-0988; Method=S; Cat= HS]
2010 Oct. 18.11 UT: m1=9.6, Dia.=5′, DC=3; 20cm SCT (77x); Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España)
2010 Oct. 14.00 UT: m1=9.7, Dia.=5′, DC=3; 20cm SCT (77x); Juan José González (Pandorado, alt. 1720 m., León, España)
2010 Oct. 13.00 UT: m1=10.4, Dia.=2′, DC=3; 18cm L (57x); Alexandre Amorim (Florianopolis, Brazil)
2010 Oct. 08.50 UT: m1=9.1, Dia.=8′; 25×100 B; David A. J. Seargent, Cowra, NSW, Australia)
2010 Out. 06.125 UT: m1=9.7, Dia.=7′, DC=4; 22cm L f:6.5 (60x); Marco Goiato (Araçatuba, Brasil)
2010 Oct. 05.46 UT: m1=9.0, Dia.=5′; 25×100 B; David A. J. Seargent, Cowra, NSW, Australia) [Somewhat enhanced with Swan Band filter]
2010 Oct. 01.99 UT: m1=8.9, Dia.=10′, DC=2/; 20×110 B; José Carvajal (Madrid, España)
2010 Sep. 28.47 UT; m1=10.2, Dia.=6.4′, DC=3; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Coma elongated to the West, broad, slightly fan shaped. Bright inner coma with gradually fading outer coma.Comp Star= TYC 5854-810-1; Method= S; Cat= TJ]
2010 Sep. 20.17 UT: m1=8.5, Dia.=10′, DC=3/; 25×100 B; Juan José González (Aralla, alt. 1440 m., León, España)
2010 Sep. 18.93 UT: m1=8.8, Dia.=8′, DC=3, no cola; 11×80 B; Carlos Labordena (Castellón, España)
2010 Sep. 15.01 UT: m1=8.6, Dia.=10′, DC=3; 25×100 B; Juan José González (Aralla, alt. 1440 m., León, España)
2010 Set. 12.229 UT: m1=9.6, Dia.=6′, DC=4, 22cm L f:6.5 (60x); Marco Goiato (Araçatuba, Brasil);
2010 Sep. 11.36 UT: m1=9.6 ccd, Dia.=0.6′; 21cm L +CCD; Artyom Novichonok (remotely Mayhill, U.S.A.)
2010 Sep. 11.04 UT: m1=9.5, Dia.=5′, DC=3; no cola, 23.5cm SCT (67x); Carlos Labordena (Castellón, España)
2010 Sep. 10.11 UT: m1=10.0, Dia.=2′, DC=4; 20×80 B; Alexandre Amorim (Florianopolis, Brazil)
2010 Sep. 10.07 UT: m1=8.7, Dia.=8′, DC=3/; 25×100 B; Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España)
2010 Sep. 09.09 UT: m1=10.2, Dia.=1′, DC=4; 18cm L (57x); Alexandre Amorim (Florianopolis, Brazil)
2010 Sep. 07.55 UT: m1=8.4, Dia.=13.5’, DC= 3; 7×50 B; Chris Wyatt (Walcha, NSW, Australia) [No tail. Comp Star= TYC 5852-717-1; Method= S; Cat= TJ]
2010 Sep. 06.51 UT: m1=8.6, Dia.=16’, DC= 1/2; 7×50 B; Chris Wyatt (Walcha, NSW, Australia) [No tail, coma diffuse. Comp Star= TYC 5279-1145-1; Method= S; Cat= TJ]
2010 Sep. 05.12 UT: m1=10.0, Dia.=1′, DC=4; 18cm L (57x); Alexandre Amorim (Florianopolis, Brazil)
2010 Sep. 05.06 UT: m1=8.8, Dia.=7′, DC=4; 25×100 B; Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España)
2010 Sep. 03.99 UT: m1=9.2, Dia.=5′, DC=3, no cola; 23.5cm SCT(67x); Carlos Labordena (Castellón, España)
2010 Sep. 02.53 UT: m1=8.6, Dia.= 8’, DC= 2/3; 7×50 B; Chris Wyatt (Walcha, NSW, Australia) No tail. Comp Star= TYC 5855-1492-1; Method= S; Cat= TJ]
2010 Set. 02.145 UT: m1=9.4, Dia.=6′, DC=4; 22cm L f:6.5 (60x); Marco Goiato (Araçatuba, Brasil)
2010 Aug. 21.17 UT: m1=8.7, Dia.=4′, DC=4; 20×80 B; Alexandre Amorim (Florianopolis, Brazil) [moonlight]
2010 Ago. 20.16 UT: m1=8.7, Dia.=6′, DC=4; 20cm SCT (77x); Juan José González (Pandorado, alt. 1190 m., León, España) [Coma asimétrica]
2010 Aug. 18.36 UT: m1=8.4, Dia.=5′, DC=3; 20×80 B; Alexandre Amorim (Florianopolis, Brazil)
2010 Ago. 16.167 UT: m1=8.5, Dia.=7′, DC=4; 20×100 B; Marco Goiato (Araçatuba, Brasil)
2010 Aug. 12.53 UT: m1=8.8, Dia.=9′; 25×100 B; David A. J. Seargent (Cowra, NSW, Australia)
2010 Aug. 12.09 UT: m1=10.6 ccd, Dia.=3.1′, DC=6; 25cm L +ccd +Rc filter; Toni Scarmato (Calabria, Italia)
2010 Aug. 08.55 UT: m1=8.7; 25×100 B; David A. J. Seargent (The Entrance, NSW, Australia)
2010 Ago. 08.08 UT: m1=8.7, Dia.=6′, DC=4, no cola; 11×80 B; Carlos Labordena (Castellón, España)
2010 Aug. 07.74 UT: m1=8.7, Dia.=8.5′, DC=6; 40.0cm L f/4.5 (36x); Seiichi Yoshida (Gunma, Japan) [See it again since 1999. Now it is very bright, much brighter than my last observations in 1999! Very wide, but well condensed]
2010 Ago. 07.167 UT: m1=8.4, Dia.=8′, DC=4; 20×100 B; Marco Goiato (Araçatuba, Brasil)
2010 Ago. 07.05 UT: m1=8.6, Dia.=8′, DC=4; 8cm R f:6 (12x); José Carvajal (Madrid, España) [Coma is 35′ long and 25′ wide, elongated towards PA 110 deg.]
2010 Ago. 07.04 UT: m1=8.7, Dia.=8′, DC=4; 20 cm SCT (77x); Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España) [Coma asimétrica]
2010 Ago. 06.166 UT: m1=8.4, Dia.=8′, DC=4; 20×100 B; Marco Goiato (Araçatuba, Brasil)
2010 Aug. 04.54 UT: m1=8.7, Dia.=11’, DC=5; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Coma large, broad fan-shaped elongation to the North, coma enhances well with Swan band filter. Comp Star= TYC 5273-708-1; Method= S; Cat= TJ]
2010 Jul. 21.02 UT: m1=10.7 ccd, Dia.=2.6′, DC=6; 25cm L +ccd +Rc filter; Toni Scarmato (Calabria, Italia)
2010 Jul. 18.229 UT: m1=8.5, Dia.=8′, DC=3/; 20×100 B; Marco Goiato (Araçatuba, Brasil)
2010 Jul. 18.12 UT: m1=8.6, Dia.=8′, DC=3/; 25×100 B; Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España) [Coma asimétrica]
2010 Jul. 17.58 UT: m1=8.7, Dia.=8′; 25×100 B; David A. J. Seargent (Cowra, NSW, Australia) [Comet more easily visible through Swan band filter]
2010 Jul. 17.145 UT: m1=8.5, Dia.=8′, DC=3/; 20×100 B; Marco Goiato (Araçatuba, Brasil)
2010 Jul. 15.15 UT: m1=8.6:, Dia.=4′, DC=2; 20×80 B; Alexandre Amorim (Florianopolis, Brazil) [alt. 23 degrees]
2010 Jul. 14.89 UT: m1=9.8, Dia.=5′, DC=2; 25.4cm L; Vyacheslav Ivanov (70 km from Saratov, near Peschanka, Russia)
2010 Jul. 14.20 UT: m1=8.6, Dia.=6′, DC=4; 20×80 B; Alexandre Amorim (Florianopolis, Brazil)
2010 Jul. 13.90 UT: m1=9.5, Dia.=5′, DC=2; 20 cm L; Vyacheslav Ivanov (70 km from Saratov, near Peschanka, Russia)
2010 Jul. 10.11 UT: m1=8.2, Dia.=8′, DC=3/; 25×100 B; Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España)
2010 Jul. 10.08 UT: m1=9.3 ccd, Dia.=2.6′, DC=6; 25cm L +ccd +Rc filter; Toni Scarmato (Calabria, Italia)
2010 Jul. 09.292 UT: m1=8.6, Dia.=8′, DC=3; 20×100 B; Marco Goiato (Araçatuba, Brasil)
2010 Jul. 06.18 UT: m1=9.7:; 18cm L (57x); Alexandre Amorim (Florianopolis, Brazil)
2010 Jul. 05.28 UT: m1=9.4, Dia.=3′, DC=3; 18cm L (57x); Alexandre Amorim (Florianopolis, Brazil)
2010 Jul. 05.031 UT: m1=8.7, Dia.=8′, DC=3; 20×100 B; Marco Goiato (Araçatuba, Brasil)
2010 Jun. 22.07 UT: m1=8.8, Dia.=8′, DC=3; 25×100 B; Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España) [Coma asimétrica]
2010 Jun. 19.291 UT: m1=9.2, Dia.=8′, DC=2; 20×100 B; Marco Goiato (Araçatuba, Brasil)
2010 Jun. 19.281 UT: m1=9.3, Dia.=8′, DC=3; 22cm L f:6.5 (60x); Marco Goiato (Araçatuba, Brasil) [melhora significativa com filtro de cometa]
2010 Jun. 18.08 UT: m1=9.1, Dia.=7′, DC=3; 20 cm SCT (77x); Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España) [Coma asimétrica]
2010 Jun. 17.08 UT: m1=9.8, Dia.=6′, DC=3, no cola; 20cm SCT (50x); Carlos Labordena (Castellón, España)
2010 Jun. 15.4361: m1=10.5, Dia.=6´, DC=3, Cola: no visible; 15cm SCT (37x); Salvador Aguirre (Hermosillo, Sonora, Mexico)
2010 Jun. 14.333 UT: m1=9.4, Dia.=8′, DC=3; 20×100 B; Marco Goiato (Araçatuba, Brasil)
2010 Jun. 12.333 UT: m1=9.9, Dia.=6′, DC=3; 22cm L f:6.5 (60x); Marco Goiato (Araçatuba, Brasil)
2010 Jun. 11.4181 UT: m1=10.5, Dia.=6´, DC=3, Cola: no visible; 15cm SCT (37x); Salvador Aguirre (Hermosillo, Sonora, Mexico)
2010 Jun. 11.08 UT: m1=10.3, Dia.=4′, DC=4, no cola; 20cm SCT (50x); Carlos Labordena (Castellón, España)
2010 Jun. 09.35 UT: m1=9.9, Dia.=3′, DC=4; 18cm L (57x); Alexandre Amorim (Florianopolis, Brazil)
2010 Jun. 08.35 UT: m1=10.0, Dia.=3′, DC=3; 18cm L (57x); Alexandre Amorim (Florianopolis, Brazil)
2010 Jun. 08.07 UT: m1=11.9 ccd, Dia.=2.3′, DC=5; 25cm L +ccd +Rc filter; Toni Scarmato (Calabria, Italia)
2010 Jun. 07.36 UT: m1=10.1, Dia.=2′, DC=2; 18cm L (57x); Alexandre Amorim (Florianopolis, Brazil)
2010 Jun. 06.187 UT: m1=10.3, Dia.=5′, DC=2/; 22cm L f:6.5 (60x); Marco Goiato (Araçatuba, Brasil)
2010 Maio 23.333 UT: m1=10.9, Dia.=4′, DC=2; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2010 May. 23.11 UT: m1=11.4, Dia.=1.5′, DC=2, no cola; 23.5cm SCT (94x); Carlos Labordena (Castellón, España)
2010 Maio 22.333 UT: m1=11.1, Dia.=3′, DC=2/; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2010 May. 17.11 UT: m1=11.8, Dia.=1.5′, DC=3; 20cm SCT (160x); Juan José González (Cueto Rosales – Riello, alt. 1420 m., León, España)
2010 Maio 14.312 UT: m1=12.4:, Dia.=1.5′, DC=3; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil) [cometa entre 2 estrelas de m1= 5.98 e 6.81]
2010 May. 13.76 UT: m1=10.5, Dia.=7.7’, DC=1/2; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [No tail, coma large and diffuse, even brightness, no central condensation with direct vision, hint of broad central condensation using averted vision. Comp Star= TYC 5777-891-1; Method= S; Cat= TJ]
2010 May. 11.79 UT: m1=12.2, Dia.=3’, DC=2/3; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma large and diffuse. Comp Star= GSC-5776-0341; Method= S; Cat= HS]
2010 May. 10.74 UT: m1=13.3, Dia.=0.7’, DC=1/2; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [No tail, faint and diffuse, averted vision. Comp Star= GSC-5776-0171; Method= S; Cat= HS]
2010 Apr. 23.65 UT: m1=13.8, Dia.=0.7’, DC=1; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma faint and diffuse, even brightness, no tail, averted vision. Comp Star= GSC-5745-0018; Method= S; Cat= HS]
2010 Apr. 22.74 UT: m1=14.4, Dia.=0.5’, DC=1; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma very small and diffuse, visible using averted vision. Comp Star= GSC-5749-0219; Method= S; Cat= HS]
2003 Mar. 07.45 UT: m1=19.3 CCD; 1.2-m Schmidt + CCD; (c) R. Bambery, E. Helin, S. Pravdo, M. Hicks, K. Lawrence, R. Thicksten, T.Prystavski (Near-Earth Asteroid Tracking NEAT, MPC 644)
2002 Feb. 05.26 UT: m1=18.6 CCD, Dia.=0.2′; 1.2-m Schmidt + CCD; R. Bambery, E. Helin, S. Pravdo, M. Hicks, K. Lawrence, R. Thicksten, T.Prystavski (Near-Earth Asteroid Tracking NEAT, MPC 644)
1998 Mar. 24.46 UT: m1=18.6 CCD; 1.2-m reflector + CCD; R. Bambery, E. Helin, S. Pravdo, M. Hicks, K. Lawrence, P. Kervin, T.Prystavski (Near-Earth Asteroid Tracking NEAT, MPC 608)

9P/Tempel 1
2016 Ago. 05.88 UT: m1=10.3, Dia.=3′, DC=2, no cola; 20-cm SCT (80x); Carlos Labordena (Castellón, España)
2016 Ago. 01.89 UT: m1=9.9, Dia.=6′, DC=3; 20-cm SCT (77x); Juan José González (Cueto Rosales, alt. 1420 m, León, España) [Crepúsculo astronómico]
2016 July 31.97 UT: m1=10.3, Dia.=3′, DC=2/; 22-cm L (60x); Marco Antonio Coelho Goiato (Araçatuba, Brazil)
2016 July 31.39 UT: m1=11.9, Dia.=2.8’, DC=2/; 25-cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Very diffuse, slight brightening to centre; No tail]
2016 July 29.89 UT: m1=10.1, Dia.=3′, DC=2, no cola; 20-cm SCT (80x); Carlos Labordena (Castellón, España)
2016 July 28.38 UT: m1=12.0, Dia.=3.1’, DC=3/; 25-cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Coma very diffuse, brightens to centre but weakly condensed. No tail, slight zodiacal light interference]
2016 July 27.90 UT: m1=9.8, Dia.=5′, DC=2/; 20-cm SCT (77x); Juan José González (Alto del Castro, alt. 1720 m, León, España) [Fin del crepúsculo astronómico]
2016 July 25.38 UT: m1=12.2, Dia.=2.6’, DC=2/; 25-cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Coma diffuse, close to mag 8.7 star 3.4’away in P.A. 056°. No tail, does not enhance]
2016 July 08.92 UT: m1=10.8, Dia.=3′, DC=2; 20-cm SCT (77x); Juan José González (Cueto Rosales, alt. 1420 m, León, España)
2016 July 03.92 UT: m1=11.5, Dia.=2.5′, DC=3/; 22-cm L (60x); Marco Antonio Coelho Goiato (Araçatuba, Brazil)
2016 July 02.92 UT: m1=10.8, Dia.=3.5′, DC=2/; 20-cm SCT (77x); Juan José González (Alto del Castro – Aralla, alt. 1720 m, León, España)
2016 July 02.39 UT: m1=12.5, Dia.=3’, DC=3/; 25-cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Coma diffuse, semi-transparent edges with slight brightening to a moderately condensed and opaque centre. Does not enhance in Swan Band filter]
2016 July 01.90 UT: m1=11.2, Dia.=2′, DC=3, no cola; 20-cm SCT (80x); Carlos Labordena (Castellón, España)
2016 June 28.48 UT: m1=12.3, Dia.=2.3’, DC=3; 25-cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [No tail; Diffuse coma slightly brightening to a weakly condensed centre. Does not enhance in Swan Band filter]
2016 Jun. 27.93 UT: m1=10.9, Dia.=3′, DC=3; 20-cm SCT (77x); Juan José González (Alto del Castro – Aralla, alt. 1720 m, León, España)
2016 June 09.80 UT: m1=13.7 CCD, Dia.=0.6′, DC=3; 20-cm L+CCD; Danil Sidorko (Korenovsk, Russia)
2016 June 09.02 UT: m1=11.6, Dia.=2.5′, DC=3; 22-cm L (160x); Marco Antonio Coelho Goiato (Araçatuba, Brazil)
2016 June 08.04 UT: m1=11.7, Dia.=2′, DC=2/; 22-cm L (160x); Marco Antonio Coelho Goiato (Araçatuba, Brazil)
2016 June 07.92 UT: m1=11.4, Dia.=2.0′, DC=3; 31-cm C f/9 (68x); Martin Lehky ((Hradec Kralove, Czech Republic)
2016 June 06.92 UT: m1=11.4, Dia.=2.0′, DC=3; 31-cm C f/9 (68x); Martin Lehky ((Hradec Kralove, Czech Republic)
2016 June 04.91 UT: m1=11.7, Dia.=2′, DC=3, no cola; 20-cm SCT (80x); Carlos Labordena (Castellón, España)
2016 June 03.49 UT: m1=13.0, Dia.=0.9′, DC=4; 40.0-cm L f/4.5 (144x); Seiichi Yoshida (Gunma, Japan)
2016 May  31.94 UT: m1=11.3, Dia.=3′, DC=3; 20-cm SCT (77x); Juan José González (Alto del Castro – Aralla, alt. 1720 m, León, España)
2016 May  29.41 UT: m1=13.0, Dia.=1′, DC=3; 40.6-cm L (165x); Paul Camilleri (Warners Bay, Australia)
2016 May  12.87 UT: m1=14.6 CCD, Dia.=0.55′, DC=8; 15-cm L+CCD; Sergey Shurpakov (Baran’, Belarus)
2016 May  07.89 UT: m1=13.6, Dia.=1′.9, DC=5; 35-cm L (178x); Jakub Cerny (Senohraby, Czech Republic)
2016 May  04.50 UT: m1=13.8, Dia.=1.1′, DC=3; 40.0-cm L f/4.5 (144x); Seiichi Yoshida (Gunma, Japan)
2016 May  03.79 UT: m1=13.7 CCD, Dia.=0.8′, DC=3; 20-cm L+CCD; Danil Sidorko (Korenovsk, Russia)
2016 May  02.48 UT: m1=13.9, Dia.=0.8′, DC=1/; 40.0-cm L f/4.5 (257x); Seiichi Yoshida (Gunma, Japan)
2016 May  01.89 UT: m1=13.8, Dia.=1.2′, DC=4; 40.0-cm L (138x); Sandor Szabo (Hakos, Namibia)
2016 May  01.82 UT: m1=14.4 CCD, Dia.=1′, DC=2; 20-cm L+CCD; Danil Sidorko (Korenovsk, Russia)
2016 May  01.46 UT: m1=14.6, Dia.=0.4′, DC=3; 40.0-cm L f/4.5 (257x); Seiichi Yoshida (Gunma, Japan)
2016 Apr. 29.78 UT: m1=13.5:, Dia.=0.1′, DC=3; 25.5-cm L (120x); Danil Sidorko (Korenovsk, Russia)
2016 Apr. 28.76 UT: m1=[13.5, Dia.=0.1′; 25.5-cm L (120x); Danil Sidorko (Korenovsk, Russia)
2016 Apr. 23.91 UT: m1=14.5 CCD, Dia.=0.46′, DC=7/; 15-cm L; Sergey Shurpakov (Baran’, Belarus)
2016 Apr. 15.97 UT: m1=14.7 CCD, Dia.=0.42′, DC=7/; 15-cm L; Sergey Shurpakov (Baran’, Belarus)
2016 Apr. 15.71 UT: m1=14.0, Dia.=0.5′, DC=3; 40.0-cm L f/4.5 (257x); Seiichi Yoshida (Ibaraki, Japan)
2016 Apr. 08.71 UT: m1=14.4, Dia.=0.3′, DC=3/; 40.0-cm L f/4.5 (257x); Seiichi Yoshida (Ibaraki, Japan)
2016 Mar. 30.85 UT: m1=14.0, Dia.=0.5′, DC=3; 60.3-cm L (244x); Sandor Szabo (Sopron, Hungary)
2005 Jul. 12.32 UT: m2=14.0 CCD, Dia.=&3.7′, Tail=2.3′ in PA 128 deg.; 1.2-m reflector + CCD; R. Bambery, E. Helin, S. Pravdo, M. Hicks, K. Lawrence, P. Kervin, T.Prystavski (Near-Earth Asteroid Tracking NEAT, MPC 608)
2005 Jul. 07.27 UT: m2=14.0 CCD, Dia.=&3.4′; 1.2-m reflector + CCD; R. Bambery, E. Helin, S. Pravdo, M. Hicks, K. Lawrence, P. Kervin, T.Prystavski (Near-Earth Asteroid Tracking NEAT, MPC 608)
2005 Jul. 06.26 UT: m2=14.0 CCD, Dia.=&3.5′; 1.2-m reflector + CCD; R. Bambery, E. Helin, S. Pravdo, M. Hicks, K. Lawrence, P. Kervin, T.Prystavski (Near-Earth Asteroid Tracking NEAT, MPC 608)

7P/Pons-Winnecke
2015 Jun. 13.82 UT: m1=16.5 CCD Dia.=0.3′; [T31] 0.50-m f/6.8 astrograph + CCD + focal reducer; A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely from Siding Spring, Australia)
2015 Apr. 24.81 UT: m1=15.6: CCD, Dia.=&0.3′, Tail=&1.0′ in PA 315 deg; [T17] 0.43-m f/6.8 astrograph + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely Siding Spring, Australia) [morning twilight]
2002 May 27.55 UT: m2=14.9 CCD, Dia.=&2.5′, Tail=2.2′ in PA 261 deg.; 1.2-m reflector + CCD; R. Bambery, E. Helin, S. Pravdo, M. Hicks, K. Lawrence, P. Kervin, T.Prystavski (Near-Earth Asteroid Tracking NEAT, MPC 608)

6P/d’Arrest
2015 Sep. 11.72 UT: m1=17.8 CCD, Dia.=0.2′, Tail=0.3′ in PA: 24 deg.; [T31] 0.50-m f/6.8 astrograph + CCD + focal reducer; A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely from Siding Spring, Australia)
2015 June 27.78 UT: m1=13.6, Dia.=0.7’, DC=2/; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Very difficult, zodiacal light interference, average seeing conditions. Coma very diffuse with small opaque weakly condensed centre, no tail. Altitude = 19.1°, ; limiting magnitude = 14.5]
2015 June 22.80 UT: m1=13.3, Dia.=1.3’, DC=3; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Very difficult, zodiacal light interference. Limiting magnitude 14.5. Altitude = 22.5°]
1995 Dec. 18.37 UT: m2=16.6 CCD, Dia.=&4.1′; 1.2-m reflector + CCD; R. Bambery, E. Helin, S. Pravdo, M. Hicks, K. Lawrence, P. Kervin, T.Prystavski (Near-Earth Asteroid Tracking / NEAT, 608)

4P/Faye
2015 Jun. 14.37 UT: m1=18.2: CCD; [T31] 0.50-m f/6.8 astrograph + CCD + focal reducer; A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely from Siding Spring, Australia)
2015 Apr. 19.94 UT: m1=15.4: CCD, Dia.=0.8′; [T16] 0.15-m f/7.3 refractor + CCD; A. Novichonok & T. Prystavski (AstroCamp Observatory, I89 remotely from Nerpio, Spain)
2015 Mar. 12.27 UT: m1=15.4 CCD, Dia.=0.6′ Tail=8.2′ in PA 284 deg; [T20] 0.1-m f/5.0 astrograph + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, H06 remotely from Mayhill, U.S.A.)
2015 Mar. 10.97 UT: m1=15.7 CCD + R filter, Dia.=20″, DC 5, Tail=4′ in PA: 288-349 deg.; 70-cm f/4 L + CCD; Alexander Baransky (Kyiv comet station MPC 585, Ukraine)
2015 Feb. 18.00 UT: m1=14.9 CCD + R filter, Dia.=39″, DC 6S, Tail=> 7′ in PA: 288 deg.; 70-cm f/4 L + CCD; Alexander Baransky (Kyiv comet station MPC 585, Ukraine)
2015 Feb. 15.44 UT: m1=14.4 CCD, Dia.=0.7′, Tail=&14′ in PA 289 deg; [T20] 0.1-m f/5.0 astrograph + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, H06 remotely from Mayhill, U.S.A.)
2015 Feb. 11.04 UT: m1=14.9 CCD + R filter, Dia.=35″, DC 6S, Tail=> 9′ in PA: 293 deg.; 70-cm f/4 L + CCD; Alexander Baransky (Kyiv comet station MPC 585, Ukraine) [Tail slightly curved in CW with more sharp W border]
2015 Jan. 20.49 UT: m1=14.7 CCD, Dia.=0.7′, Tail=&11.2′ in PA 291 deg; [T20] 0.1-m f/5.0 astrograph + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, H06 remotely from Mayhill, U.S.A.)
2015 Jan. 14.86 UT: m1=15.1 CCD + R filter, Dia.=23″, DC 6, Tail=2′ 12″ in PA: 300 deg.; 70-cm f/4 L + CCD; Alexander Baransky (Kyiv comet station MPC 585, Ukraine)
2014 Dec. 20.22 UT: m1=14.5 CCD, Dia.=1.04′, Tail=&18′ in PA: 286 deg.; [T16] 0.15-m f/7.3 refractor + CCD; A. Novichonok & T.Prystavski (AstroCamp Observatory, I89 remotely from Nerpio, Spain)
2014 Nov. 29.78 UT: m1=14.0, Dia.=0.6′, DC=3; 40.0cm L f/4.5 (257x); Seiichi Yoshida (Gunma, Japan)
2014 Nov. 19.41 UT: m1=14.9: CCD, Dia.=&0.7′, Tail=4.8′ in PA: 287 deg.; [T20] 0.1-m f/5.0 astrograph + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, H06, remotely Mayhill, U.S.A.)
2014 Oct. 28.08 UT: m1=14.6, Dia.=0.5’, DC=1; 50.8cm L (307x); Sandor Szabo (Stuhleck, Austria)
2014 Oct. 25.78 UT: m1=14.3, Dia.=0.6′, DC=3; 40.0cm L f/4.5 (257x); Seiichi Yoshida (Gunma, Japan)
2014 Oct. 01.48 UT: m1=14.7 CCD, Dia.=0.53′, Tail=&5.7′ in PA: 285 deg.; [T20] 0.1-m f/5.0 astrograph + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, H06, remotely from Mayhill, U.S.A.)
2014 Sep. 22.79 UT: m1=14.3, Dia.=0.4′, DC=3; 40cm L f/4.5 (257x); Seiichi Yoshida (Gunma, Japan)
2014 Aug. 31.47 UT: m1=13.8 CCD, Dia.=0.74′, Tail= 3.9′ in PA: 279 deg.; 0.51-m f/4.5 reflector + CCD; A. Novichonok & T. Prystavski (iTelescope observatory, H06, remotely from Mayhill, U.S.A.)
2013 Oct. 06.01 UT: m1=16.3, DC=4; 91cm F/3.5; Jean-François Viens (Cd’OA des Monts Notre-Dame, Québec, Canada)
2013 Sep. 30.00 UT: m1=16.3′, DC=3; Visual, Aperture 36″ F/3.5; Jean-François Viens (Cd’OA des Monts Notre-Dame, Québec, Canada)
2013 Aug. 02.85 UT: m1=17.1: CCD; 0.40-m f/8 Ritchey-Chretien + CCD; V.Gerke & T.Prystavski (Ka-Dar observatory, TAU station C32, remotely Nizhniy Arkhyz, Russia)
2006 Sep. 24.54 UT: m2=13.1 CCD, Dia.=&3.8′, Tail=8.6′ in PA 256 deg.; 1.2-m reflector + CCD; R. Bambery, E. Helin, S. Pravdo, M. Hicks, K. Lawrence, P. Kervin, T.Prystavski (Near-Earth Asteroid Tracking / NEAT, 608)
2000 Apr. 07.36 UT: m1=17.5 CCD, Dia.=0.28′; 1.2-m reflector + CCD; R. Bambery, E. Helin, S. Pravdo, M. Hicks, K. Lawrence, P. Kervin, J., T.Prystavski (Near-Earth Asteroid Tracking / NEAT, 608)

2P/Encke
2016 Sep. 06.99 UT: m1=18.7 CCD, Dia.=0.18′, DC=8/; 0.25-m L f/4.7 + CCD; Sergey Shurpakov (C36, Baran’, Belarus)
2013 Nov 19.54 UT: m1=[6.9; 30×125 B; Carl Hergenrother (Tucson, Arizona, USA)
2013 Nov 19.49 UT: m1=[7.8; 20.3cm reflector; Todd Augustyniak (Bartlett, Illinois USA)
2013 Nov. 18.49 UT: m1=7.8, Dia.=1.5′, DC=8; 20.3cm L f/5.9 (92x); Todd Augustyniak (Bartlett, Illinois, USA)
2013 Nov. 16.84 UT: m1=8.2, Dia.=-, DC=8; 40.0cm L f/4.5 (75x); Seiichi Yoshida (Ibaraki, Japan)
2013 Nov. 14.52 UT: m1=7.7, Dia.=2′, DC=8; 10×50 B; Carl Hergenrother (Tucson, Arizona, USA)
2013 Nov. 14.24 UT: m1=8.0, Dia.=2′, DC=8/; 25×100 B; Juan José González (Cueto Rosales – Riello, alt. 1420 m, León, España) [Apariencia casi estelar. El menor diámetro de coma observado proporciona una estimación de la magnitud más débil que la obtenida en la sesión previa ( Nov. 11.24 UT: m1=7.5; Dia.=3′, DC=7/). Cola no observable. Interferencia de la luz zodiacal. Baja altura sobre el horizonte: 7º. Crepúsculo astronómico. Cielo muy claro de montaña]
2013 Nov. 12.17 UT: m1=6.9, Dia.=7.5′, DC=8, Tail=0.05 deg. in PA: 310 deg.; 20×80 B; Marek Biely (Brno, Czech Republic) [I was surprised. It is very strongly condensed. Very easy to see, although it locates very low. Very short straight ion tail is visible, too. Astronomical twilight.]
2013 Nov. 11.24 UT: m1=7.5, Dia.=3′, DC=7/, Cola: 0.3º en AP 300º; 25×100 B; Juan José González (Sierra de Nuestra Señora – Castrocontrigo, alt. 1140 m, León, España) [Coma exterior no perceptible, mayor grado de condensación. El menor diámetro de coma observado proporciona una estimación de la magnitud más débil que la obtenida en la sesión previa (Nov. 6.24 UT, 10x50B: m1=6.9; Dia.=10′, DC=5/). Interferencia de la luz zodiacal. Altura sobre el horizonte: 11º. Crepúsculo astronómico. Cielo muy claro de montaña]
2013 Nov. 10.51 UT: m1=7.7, Dia.=10′, DC=4; 10×50 B; Carl Hergenrother (Tucson, Arizona, USA)
2013 Nov. 08.83 UT: m1=7.5, Dia.=&4′, DC=8; 40.0cm L f/4.5 (36x); Seiichi Yoshida (Ibaraki, Japan)
2013 Nov. 08.54 UT: m1=7.0, Dia.=8´, DC=5/; 15cm SCT (36x); Salvador Aguirre (Hermosillo, Sonora, Mexico) [Tail: Not visible]
2013 Nov. 08.52 UT: m1=7.3, Dia.=5′, DC=8; 10×50 B; Carl Hergenrother (Tucson, Arizona, USA)
2013 Nov. 08.215 TU: m1=7.1, Dia.=6′, DC=6; 11×80 B; Carlos Labordena (Castellón, España)
2013 Nov. 08.18 UT: m1=6.6, Dia.=3′, DC=7/; 10×50 B; Timo Karhula (Åkesta Observatory, Västerås, Sweden)
2013 Nov. 08.15 UT: m1=7.5, Dia.=3.5′, DC=6; 8×56 B; Sandor Szabo (Sieggraben, Austria) [with 50.8L, 189x: tail is 5’ long to PA:310 deg.]
2013 Nov. 07.51 UT: m1=6.7, Dia.=10′, DC=7; 10×50 B; Carl Hergenrother (Tucson, Arizona, USA)
2013 Nov. 07.21 UT: m1=7.4, Dia.=8′, DC=2; 20×60 B; José J. Chambó (Vallés, Valencia, España) [City lights, Low altitude: 10º]
2013 Nov. 06.24 UT: m1=6.9, Dia.=10′, DC=5/, Cola: 0.5º en AP 300º; 10×50 B; Juan José González (Collada del Fresno – Sierra del Aramo, alt. 1220 m, Asturias, España) [Interferencia de la luz zodiacal. Altura sobre el horizonte: 15º. Comienzo del crepúsculo astronómico]
2013 Nov. 06.213 TU: m1=7.3, Dia.=6′, DC=5; 11×80 B; Carlos Labordena (Castellón, España)
2013 Nov. 04.52 UT: m1=9.4 CCD, Dia.=0.9’; Tail=3′ PA: 307°; CCD images unfiltered; Pierre Laporte (Cd’OA des Monts Notre-Dame, Québec, Canada)
2013 Nov. 04.50 UT: m1=7.3, Dia.=8′, DC=7; 10×50 B; Carl Hergenrother (Tucson, Arizona, USA)
2013 Nov. 03.41 UT: m1=9.0 CCD, Dia.=1.2’; Tail=5′ PA: 305°; CCD images unfiltered; Clermont Vallière (Cd’OA des Monts Notre-Dame, Québec, Canada)
2013 Nov. 03.208 TU: m1=7.5, Dia.=6′, DC=5; 11×80 B; Carlos Labordena (Castellón, España)
2013 Nov. 03.205 TU: m1=7.8, Dia.=7′, DC=6; 20cm SCT (50x); Carlos Labordena (Castellón, España)
2013 Nov. 01.49 UT: m1=7.8, Dia.=9′, DC=2; 10×50 B; Carl Hergenrother (Tucson, Arizona, USA)
2013 Nov. 01.16 UT: m1=7.2 CCD + V filter, Dia.=4.2′, DC=6; 6.8cm R f/4 (5x30s); Mieczyslaw Leszek Paradowski (Lublin, Poland)[Twilight, comet alt. 21.3 deg.; Cat.(AQ)- 7 comparison stars: V=(10.0-11.4) with color index B-V=(0.56-0.69)]
2013 Nov. 01.13 UT: m1=7.4, Dia.=8′, DC=7; 10×50 B; Piotr Guzik (Przełęcz Szklarska, Poland) [Easily visible. In 32.6 cm reflector at 50x bright, disklike central condensation ~2′ in diameter surrounded but a fainter and much larger halo]
2013 Nov. 01.11 UT: m1=7.4, Dia.=6.5′, DC=4; 20×80 B; Marek Biely (Brno; Czech Republic) [Easy to see, but it locates fairly low.]
2013 Oct. 31.22 UT: m1=7.4, Dia.=10′, DC=5; 10×50 B; Juan José González (Alto del Castro – Aralla, alt. 1720 m, León, España) [Ligera interferencia lunar. No era perceptible la parte más débil de la coma externa. Altura sobre el horizonte: 19º]
2013 Oct. 31.21 UT: m1=8.4, Dia.=4.5′, DC=d6; 32cm L f/5 (48x); Uwe Pilz (Leipzig, Germany) [Tail=10′ in PA=281 deg.)
2013 Oct. 31.17 UT: m1=8.1, Dia.=8′, DC=2/; 25×100 B; Martin Lehky (Hradec Kralove, Czech Republic)
2013 Oct. 31.17 UT: m1=8.0, Dia.=5′, DC=4; 15×80 B; Alex Scholten (Eerbeek, Netherlands) [some cirrus, altitude only 15 degrees]
2013 Oct. 31.14 UT: m1=7.7, Dia.=6′, DC=7, 10×50 B; Piotr Guzik (Przełęcz Szklarska, Poland)
2013 Oct. 30.53 UT: m1=7.8, Dia.=7′, DC=2; 10×50 B; Carl Hergenrother (Tucson, Arizona, USA)
2013 Oct. 29.20 UT: m1=8.3, Dia.=4′, DC=7; 40.7cm L (58x); Nicolas Biver (Ablis, France) [bright inner core of 1′]
2013 Oct. 29.20 UT: m1=8.3, Dia.=4′; 7×50 B; Nicolas Biver (Ablis, France)
2013 Oct. 29.13 UT: m1=7.8, Dia.=4′, DC=5; 15×80 B; Sandor Szabo (Boly, Hungary)
2013 Oct. 28.208 TU: m1=8.5, Dia.=7′, DC=4; 20cm SCT (50x); Carlos Labordena (Castellón, España)
2013 Oct. 27.50 UT: m1=8.7; 10×50 B; Alan Hale (Cloudcroft, New Mexico, USA)
2013 Oct. 27.18 UT: m1=8.0, Dia.=7′, DC=3; 15×80 B; Alex Scholten (Eerbeek, Netherlands) [possible underestimated due to moonlight, Last Quarter]
2013 Oct. 26.48 UT: m1=8.5, Dia.=6′, DC=4/; 25cm L (60x); Salvador Aguirre (Hermosillo, Sonora, Mexico) [Cola visible]
2013 Oct. 23.38 UT: m1=10.7 CCD, Dia.=–; CCD images unfiltered; Clermont Vallière (Cd’OA des Monts Notre-Dame, Québec, Canada)
2013 Oct. 23.16 UT: m1=7.5 CCD + V filter, Dia.=2.2′, DC=3; 6.8cm R f/6 (12x30s); Mieczyslaw Leszek Paradowski (Lublin, Poland)[Twilight and Moonlight. Catalogue [HV] – 2 comparison stars: V=8.81 and 8.47 with color index B-V=0.637 and 0.516, respectively]
2013 Oct. 23.12 UT: m1=8.0:, Dia.=7′, DC=4, 10×50 B; Piotr Guzik (Biórków Mały, Poland) [Relatively easy to see despite bright moonlight. Excellent transparency]
2013 Oct. 23.12 UT: m1=8.2, Dia.=6′, DC=4, 32.6cm L (50x); Piotr Guzik (Biórków Mały, Poland) [Bright, moderately condensed with central condensation off-center]
2013 Oct. 22.21 UT: m1=8.6, Dia.=5′, DC=4; 40.7cm L (58x); Nicolas Biver (Versailles, France)
2013 Oct. 21.39 UT: m1=10.4 CCD, Dia.=0.6’; CCD images unfiltered; Clermont Vallière (Cd’OA des Monts Notre-Dame, Québec, Canada)
2013 Oct. 20.12 UT: m1=8.0:, Dia.=&6′, DC=3, 10×50 B; Piotr Guzik (Krosno, Poland)
2013 Oct. 20.12 UT: m1=8.4, Dia.=6′, DC=3/, 20.3cm L (63x); Piotr Guzik (Krosno, Poland) [Easily visible despite very bright moonlight]
2013 Oct. 19.17 UT: m1=8.7, Dia.=4′, DC=2/; 20×80 B; Marek Biely (Brno, Czech Republic)
2013 Oct. 18.18 UT: m1=9.2 CCD, Dia.=6′, DC5; Digital Reflex + 0.3m lens; Giuseppe Pappa (Sicily, Italy)
2013 Oct. 16.51 UT: m1=8.3, Dia.=7′, DC=3; 30×125 B; Carl Hergenrother (Tucson, Arizona, USA)
2013 Oct. 16.18 UT: m1=7.9, Dia.=13′, DC=2/; 10×50 B; Juan José González (Cubillos – Sierra del Aramo, alt. 1510 m, Asturias, España)
2013 Oct. 16.18 UT: m1=8.3; 20cm SCT (77x); Juan José González (Cubillos – Sierra del Aramo, alt. 1510 m, Asturias, España) [Coma asimétrica]
2013 Oct. 13.75 UT: m1=8.4, Dia.=8′, DC=2; 40.0cm L f/4.5 (36x); Seiichi Yoshida (Gunma, Japan) [Very bright and large!]
2013 Oct. 13.11 UT: m1=10.3, Dia.=6′, DC=3, no cola; 20cm SCT(50x); Carlos Labordena (Castellón, España)
2013 Oct. 12.75 UT: m1=8.5, Dia.=7.5′, DC=2/; 40.0cm L f/4.5 (36x); Seiichi Yoshida (Gunma, Japan)
2013 Oct. 11.74 UT: m1=8.3, Dia.=7′, DC=2; 40.0cm L f/4.5 (36x); Seiichi Yoshida (Gunma, Japan)
2013 Oct. 11.49 UT: m1=9.1, Dia.=4′, DC=2; 30×125 B, Carl Hergenrother (Tucson, Arizona, USA)
2013 Oct. 09.45 UT: m1=10.5, Dia.=5′, DC=3; 25cm Reflector (60x); Salvador Aguirre (Hermosillo, Sonora, Mexico) [Tail: visible]
2013 Oct. 09.36 UT: m1=12.4 CCD, Dia.=0.8′; CCD images unfiltered; Clermont Vallière (Cd’OA des Monts Notre-Dame, Québec, Canada)
2013 Oct. 07.15 UT: m1=9.3, Dia.=10′, DC=2; 25×100 B; Juan José González (Alto del Castro – Aralla, alt. 1720 m, León, España) [En 20cm SCT (77x): m1=9.7. Coma asimétrica]
2013 Oct. 05.48 UT: m1=10.6; 41cm reflector; Alan Hale (Cloudcroft, New Mexico, USA)
2013 Oct. 05.145 UT m1=11.0, Dia.=2,5-3′, DC=1; 40cm L (120x); Gabor Santa (Polaris Observatory, Budapest, Hungary) [NELM=about 5, suburban sky]
2013 Oct. 04.74 UT: m1=10.5, Dia.=3.7’, DC=2; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Very diffuse, no tail, altitude 7°, averted vision]
2013 Oct. 04.09 UT: m1=10.5, Dia.=8.1′, DC=2/; 35cm L (64x); Jakub Cerny (Senohraby, Czech Republic)2013 Oct. 03.11 UT: m1=10.6, Dia.=3.6′; 32cm reflector; Uwe Pilz (Leipzig, Germany)
2013 Oct. 04.05 UT: m1=10.0:, Dia.=&6′, DC=2, 10×50 B; Piotr Guzik (Krosno, Poland)
2013 Oct. 04.05 UT: m1=10.4, Dia.=5′, DC=2, 32.6cm L (50x); Piotr Guzik (Dosłońce, Poland) [Much brighter than four weeks ago. Relatively bright but diffuse object. Easily visible under excellent conditions]
2013 Oct. 04.05 UT: m1=10.8, Dia.=3.5′, DC=4; 50.8cm refl. (123x); Sandor Szabo (Hungary) [Broad tail is seen 5’ long to PA 100deg.]
2013 Oct. 03.74 UT: m1=10.8, Dia.=4’, DC=1/2; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Coma very diffuse, no tail, altitude 8°, averted vision]
2013 Oct. 03.13 UT: m1=9.6, Dia.=~9′, DC=1, 20cm L (42x); Alex Scholten (Netherlands) [very diffuse comet, altitude 60 degrees]
2013 Oct. 02.07 UT: m1=11.3, Dia.=5.7′, DC=2; 35cm L (107x); Jakub Cerny (Senohraby, Czech Republic)
2013 Oct. 01.43 UT: m1=[11.5 NEGATIVA; 15cm SCT (75x); Salvador Aguirre (Hermosillo, Sonora, Mexico)
2013 Oct. 01.11 UT: m1=9.8, Dia.=~6′, DC=1, 20cm L (42x); Alex Scholten (Netherlands) [very diffuse comet; only with averted vision, altitude 60 degrees]
2013 Sep. 30.36 UT: m1=16.6 CCD, Dia.=0.2’; CCD images unfiltered; Clermont Vallière (Cd’OA des Monts Notre-Dame, Québec, Canada)
2013 Sep. 29.95 UT: m1=11.3, Dia.=6.3′, DC=2; 35cm L (107x); Jakub Cerny (Senohraby, Czech Republic)
2013 Sep. 29.37 UT: m1=17.4 CCD, Dia.=0.2’; CCD images unfiltered; Clermont Vallière (Cd’OA des Monts Notre-Dame, Québec, Canada)
2013 Sep. 27.37 UT: m1=16.9 CCD, Dia.=0.4’; CCD images unfiltered; Clermont Vallière (Cd’OA des Monts Notre-Dame, Québec, Canada)
2013 Sep. 26.88 UT: m1=11.6, Dia.=1,2′, DC=1; 32cm L (144x); Uwe Pilz (Leipzig, Germany) [low-18°]
2013 Sep. 14.37 UT: m1=12.4, Dia.=3.1′, DC=1; 45.7cm L f/4.2 (112x); Todd Augustyniak (Green River State Wildlife Area, Harmon, Illinois, USA) [Large, diffuse; difficult to gauge where coma ends]
2013 Sep. 13.02 UT: m1=11.0, Dia.=5′, DC=1; 20cm SCT (77x); Juan José González (Alto del Castro – Aralla, alt. 1720 m, León, España) [Desde cielos oscuros de montaña la coma se percibe amplia y difusa, con débil región externa]
2013 Sep. 07.06 UT: m1=14.7, Dia.=0.8′, DC=1; 50.8cm L (250x); Sandor Szabo (Hungary) [Motion was checked during 20 minutes period]
2013 Sep. 07.04 UT: m1=12.2, Dia.=3.8′, DC=1; 35cm reflector (107x); Jakub Cerny (Senohraby, Czech Republic)
2013 Sep. 04.05 UT: m1=14.0:, Dia.=&1.5′, DC=0/; 33cm L (50x); Piotr Guzik (Krosno, Poland)
2013 Sep. 01.37 UT: m2=17.2 CCD, Dia.=&5′; 0.43-m f/4.5 astrograph + CCD; A. Novichonok & T.Prystavski (iTelescope observatory, H06 (remotely Mayhill, U.S.A.)
2013 Aug. 11.01 UT: m1=18.4: CCD; 0.40-m f/8 Ritchey-Chretien + CCD; V.Gerke & T.Prystavski (Ka-Dar observatory, TAU station C32, remotely Nizhniy Arkhyz, Russia) [poor quality images]
2013 Aug. 08.39 UT: m1=18.2 CCD; 0.43-m f/4.5 astrograph + CCD; A. Novichonok & T.Prystavski (iTelescope observatory, H06 (remotely Mayhill, U.S.A.)
2013 Aug. 02.39 UT: m1=18.4 CCD; 0.43-m f/4.5 astrograph + CCD; A. Novichonok & T. Prystavski (iTelescope observatory H06. Remotely Mayhill, U.S.A.)
2013 Jul. 20.81 UT: m1=18.6 CCD; 0.51-m f/4.5 astrograph + CCD; A. Novichonok & T.Prystavski (iTelescope observatory Q62. Remotely Siding Spring, Australia)
2010 Sep. 13.92 UT: m1=10.5, Dia.=2′, DC=3; 27cm L f:5 (46x); José G. de Souza Aguiar; (campinas, Brasil)
2010 Sep. 10.92 UT: m1=11.0:; 18cm L (160x); Alexandre Amorim (Florianopolis, Brazil)
2010 Sep. 10.41 UT: m1=10.6, Dia.=3.2′; 18cm L + CCD; Artyom Novichonok (remotely Moorook, S. Australia)
2010 Sep. 09.92 UT: m1=11.0:; 18cm L (57x); Alexandre Amorim (Florianopolis, Brazil)
2010 Sep. 08.94 UT: m1=10.0:; 18cm L (57x); Alexandre Amorim (Florianopolis, Brazil)
2010 Set. 07.937 UT: m1=10.2, Dia.=2.5′, DC=2/; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2010 Sep. 06.36 UT: m1=11.0, Dia.= 4.2’, DC= 2/3; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [No tail, coma more diffuse in central condensation. Comp Star= TYC 6124-93-1; Method= S; Cat= TJ]
2010 Sep. 05.91 UT: m1=9.5, Dia.= 3′, DC=3; 18cm L (57x); Alexandre Amorim (Florianopolis, Brazil)
2010 Sep. 04.93 UT: m1=9.6, Dia.=2′, DC=2; 20Cm SCT (63x); Willian Souza (Sao Paulo, Brazil)
2010 Sep. 02.36 UT: m1=9.9, Dia.= 4.2’, DC= 3/4; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Coma appears elongated to SE, no tail, fading twilight. Comp Star= TYC 5542-426-1; Method= S; Cat= TJ]
2010 Set. 01.937 UT: m1=9.8, Dia.=3′, DC=3; 22cm L f:6.5 (160x); Marco Goiato (Araçatuba, Brasil)
2010 Ago. 29.930 UT: m1=9.4 Dia.=4′, DC=3; 22cm L f:6.5 (60x); Marco Goiato (Araçatuba, Brasil) [Crepúsculo astronômico, altitude do cometa= 20° e próximo a estrela de m1: 8.27; melhora da imagem com o uso de filtro de cometa]
2010 Aug. 28.92UT: m1=9.2, Dia.=3′, DC=4; 20×60 B; Willian Souza (Monteiro Lobato, Brazil) [comet altitude ~18deg.]
2010 Aug. 27.93 UT: m1=9.0, Dia.=2′, DC=3; 25×100 B; Jose G. de S. Aguiar (Campinas, Brazil)
2010 Ago. 27.927 UT: m1=9.3 Dia.=4′, DC=3/; 22cm L f:6.5 (60x); Marco Goiato (Araçatuba, Brasil) [Crepúsculo astronômico, altitude do cometa= 17°]
2010 Aug. 26.93 UT: m1=8.8, Dia.=3′, DC=3; 25×100 B; Jose G. de S. Aguiar (Campinas, Brazil)
2010 Aug. 24.93 UT: m1=8.8, Dia.=3′, DC=3; 25×100 B; Jose G. de S. Aguiar (Campinas, Brazil)
2010 Aug. 23.93 UT: m1=8.7, Dia.=3′, DC=2/; 25×100 B; Jose G. de S. Aguiar (Campinas, Brazil)
2010 Aug. 21.93 UT: m1=8.7, Dia.=2′, DC=2/; 25×100 B; Jose G. de S. Aguiar (Campinas, Brazil)
2010 Aug. 21.35 UT: m1=8.8, Dia.=2.9′, DC=4/5; 25cm L (39x); Chris Wyatt (Walcha, NSW, Australia) [No tail, moonlight/twilight affected, 6 degrees above horizon. Comp Star= TYC 4933-146-1; Method= S; Cat= TJ]
2010 Aug. 20.93 UT: m1=8.6, Dia.=2′, DC=2/; 25×100 B; Jose G. de S. Aguiar (Campinas, Brazil)
2010 Aug. 20.35 UT: m1=9.0, Dia.=1.5′, DC=5; 25cm L (39x); Chris Wyatt (Walcha, NSW, Australia) [Coma slightly elongated to SW, no tail, moonlight/twilight affected, 6 degrees above local horizon, coma enhances well with Swan Band filter making the central condensation appear tighter but still not quite stellar. Comp Star= TYC 4923-981-1; Method= S; Cat= TJ]
2010 Aug. 19.93 UT: m1=8.5, Dia.=3′, DC=2/; 25×100 B; Jose G. de S. Aguiar (Campinas, Brazil)
2010 Aug. 19.89 UT: m1=8.8, Dia.=2′, DC=2; 20cm SCT (63x); Willian Souza (Sao Paulo, Brazil) [comet altitude ~12deg.]
2010 Aug. 18.93 UT: m1=8.4, Dia.=3′, DC=3; 25×100 B; Jose G. de S. Aguiar (Campinas, Brazil)
2010 Aug. 18.36 UT: m1=8.4, Dia.= 3′, DC= 5/6; 25cm L (39x); Chris Wyatt (Walcha, NSW, Australia) [No tail, coma diffuse with gradual concentration to centre, not quite stellar central condensation,coma appears very slightly elongated to SW. Enhances well with Swan band filter, 5 degrees above local horizon at time of observation, moonlight affected. Comp Star= TYC 263-668-1; Method= S; Cat= TJ]
2010 Aug. 16.90 UT: m1=[8.1; 20×80 B; Alexandre Amorim (Florianopolis, Brazil) [field altitude: 10 degrees]
2002 Sep. 14.32 UT: m1=18.8 CCD; 1.2-m Schmidt + CCD; R. Bambery, E. Helin, S. Pravdo, M. Hicks, K. Lawrence, R. Thicksten, T.Prystavski (Near-Earth Asteroid Tracking (NEAT), MPC 644)
2002 Aug. 21.22 UT: m1=19.1 CCD; 1.2-m Schmidt + CCD; R. Bambery, E. Helin, S. Pravdo, M. Hicks, K. Lawrence, P. Kervin, J., T.Prystavski (Near-Earth Asteroid Tracking (NEAT), MPC 644)
2001 Jun. 27.53 UT: m1=19.2 CCD; 1.2-m reflector + CCD; R. Bambery, E. Helin, S. Pravdo, M. Hicks, K. Lawrence, P. Kervin, J., T.Prystavski (Near-Earth Asteroid Tracking (NEAT), MPC 608)

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