Observaciones 2016

Año 2016 – Observaciones Visuales y CCD / DSLR de Cometas.

C/2016 U1 (NEOWISE)
2016 Dec. 31.20 UT: m1=8.3, Dia.=4.0′, DC=5; 20×80 B; Marek Biely (Brno, 244 m.a.s.l., Czech Republic) [Freezing conditions (temp.: ~ -9 °C). Low altitude: 12.2 deg. above the horizon. Correction for an atmospheric extinction not needed.]
2016 Dec. 30.22 UT: m1=8.0, Dia.=&4, DC=8; 20-cm L (42x); Alex Scholten (Eerbeek, Netherlands)
2016 Dec. 30.22 UT: m1=8.1, Dia.=2.3′, DC=d6; 32-cm L f/5 (45x); Uwe Pilz (Leipzig, Germany)
2016 Dec. 30.20 UT: m1=8.4, Dia.=3.5′, DC=5; 20×80 B; Marek Biely (Brno, 244 m.a.s.l., Czech Republic) [Freezing conditions (temp.: ~ -7 °C). Low altitude: 13.2 deg. above the horizon. Correction for an atmospheric extinction not needed.]
2016 Dec. 30.19 UT: m1=8.2, Dia.=2’, DC=8; 20×90 B; Sandor Szabo (Hungary)
2016 Dec. 30.19 UT: m1=8.0, Dia.=3’, DC=6; 60-cm L (77x); Sandor Szabo (Hungary)
2016 Dec. 29.20 UT: m1=8.2, Dia.=4.1′, DC=6/; 20×80 B; Marek Biely (Brno, 244 m.a.s.l., Czech Republic) [An observation made after almost 7 months long observing blank. Comet bright and well condensed. Low altitude: 15.9 deg. above the horizon. Correction for an atmospheric extinction not needed]
2016 Dec. 29.20 UT: m1=8.4, Dia.=4.5′, DC=6; 35-cm L (62x); Jakub Cerny (Senohraby, Czech Republic)
2016 Dec. 29.19 UT: m1=7,8, Dia.=7’, m2=8.3 (strong disc-like condensation), Dia.=3,5′, DC=D6; 15×70 B; Gabor Santa (Göd, Pest county, Hungary) [Good suburbian location. Disc-like, strongly condensed inner coma in a large, very-very faint outer coma. Inner part is slightly excentric to East. Nelm at the comet: 4m]
2016 Dec. 26.26 UT: m1=8.3, Dia.=5′, DC=5/; 10×50 B; Juan José González (Les Retuertes – Sierra del Aramo, alt. 1350 m, Asturias, España; Alt. 1350 m, 43º 10′ N, 5º 54′ W) [Método Morris. Estrellas de comparación Tycho-2. Crepúsculo astronómico. Altura sobre el horizonte: 23º. Cielo muy claro de montaña]
2016 Dec. 23.21 UT: m1=10.2, Dia=6′, DC=4, no tail; 20-cm SCT (50x); Carlos Labordena (Castellón, España)
2016 Dec. 23.21 UT: m1=10.0, Dia=6′, DC=3, no tail; 8-cm B (11x); Carlos Labordena (Castellón, España)
2016 Dec. 23.18 UT: m1=8.9, Dia.=4′, DC=4; 33-cm L (67x); Piotr Guzik (Biórków Mały, Poland; Alt. 265 m, 50º 09′ N, 20º 11′ E) [Morris method used. Bright, moderately condensed, round object. SQM: 20.5 at zenith]
2016 Dec. 23.18 UT: m1=8.5, Dia.=6′, DC=4; 10×50 B; Piotr Guzik (Biórków Mały, Poland; Alt. 265 m, 50º 09′ N, 20º 11′ E) [Morris method used. Bright, moderately condensed, round object. Pretty faint (though still obvious) in 10×50 binoculars. SQM: 20.5 at zenith]
2016 Dec. 12.17 UT: m1=10.2, Dia.=3.5′, DC=2; 20.0-cm L f:5 (80x); Artyom Novichonok (Konchezero, Karelia) [SQM-L ~ 20.8 near Konchezero]
2016 Dec. 11.50 UT: m1=9.8, Dia.=5′; 30×125 B; Carl Hergenrother (Tucson, AZ, USA)
2016 Dec. 11.05 UT: m1=12.6 CCD, Dia.=1.55′, DC=2/; 0.25-m L f/4.7; Sergey Shurpakov (C36, Baran’, Belarus)
2016 Dec. 10.49 UT: m1=10.0, Dia.=4′; 30×125 B; Carl Hergenrother (Tucson, AZ, USA)
2016 Dec. 10.22 UT: m1=9.7, Dia.=6′, DC=3; 25×100 B; Juan José González (Les Retuertes – Sierra del Aramo, alt. 1350 m, Asturias, España) [En 20 cm SCT (77x): m1=9.9; Cielo muy claro de montaña]
2016 Dec. 09.51 UT: m1=10.3, Dia.=3′; 30×125 B; Carl Hergenrother (Tucson, AZ, USA)
2016 Dec. 08.50 UT: m1=10.3, Dia.=3′; 30×125 B; Carl Hergenrother (Tucson, AZ, USA)
2016 Dec. 06.67 UT: m1=10.6, Dia.=4.5′, DC=1/; 20.0-cm L f:5 (80x); Artyom Novichonok (Konchezero, Karelia) [SQM-L ~20.7 near Konchezero]
2016 Dec. 06.20 UT: m1=10.2, Dia.=6′, DC=2; 25×100 B; Juan José González (Les Retuertes – Sierra del Aramo, alt. 1350 m, Asturias, España) [Cielo muy claro de montaña]
2016 Dec. 06.02 UT: m1=11.0, Dia.=4′, DC=1; 20.0-cm L f:5 (80x); Artyom Novichonok (Konchezero, Karelia) [SQM-L ~ 20.3 Konchezero]
2016 Dec. 05.24 UT: m1=10.3, Dia.=6′, DC=2; 20-cm SCT (77x); Juan José González (Pico del Pozo de la Nieve – Sierra de la Bobia, alt. 1130 m, Asturias, España)
2016 Dec. 05.17 UT: m1=10.4, Dia.=4, DC=1/; 25.4-cm L f:5 (64x); Maik Meyer (Limburg, Germany) [comet enhanced using a Lumicon Swan Band Filter, motion noticeable within 10 minutes]
2016 Dec. 04.49 UT: m1=10.5, Dia.=3’, DC=1; 30×125 B; Carl Hergenrother (Tucson, AZ, USA)
2016 Dec. 03.13 UT: m1=11.5, Dia=3′, DC=1, no tail; 20-cm SCT (80x); Carlos Labordena (Castellón, España)
2016 Dec. 02.79 UT: m1=13.1, Dia.=1.5′, DC=1; 40.0-cm L f/4.5 (144x); Seiichi Yoshida (Gunma, Japan)
2016 Nov. 30.14 UT: m1=10.5, Dia.=6′, DC=1/; 20-cm SCT (77x); Juan José González (Les Retuertes – Sierra del Aramo, alt. 1350 m, Asturias, España) [Cielo muy claro de montaña]
2016 Nov. 29.21 TU: m1=11.5, Dia.=2.3′, DC=1/; 25.4-cm L f:5 (104x); Maik Meyer (Limburg, Germany) [comet barely visible, extremely diffuse]
2016 Nov. 29.11 UT: m1=13.2, Dia.=1.0′, DC=0; 60-cm L (184x); Sandor Szabo (Hungary) [Very diffuse, good response to SWAN comet filter: Coma became 2.0’ diameter, DC:1]
2016 Nov. 29.63 UT: m1=[10.4, Negative; 20.0-cm L f:5 (154x); Artyom Novichonok (Konchezero, Karelia) [SQM-L ~ 20.3 Konchezero, Alt. 26 deg]
2016 Nov. 25.20 UT: m1=11.6, Dia.=3.5′, DC=1/; 20-cm SCT (100x); Juan José González (Sierra de Tineo, alt. 1040 m, Asturias, España) [Coma exterior débil y muy difusa. Seguido durante 60 min, con obvio movimiento. Estrellas de comparación de la fotometría APASS cercana al cometa. Estrellas de campo comprobadas en el DSS. Cielo muy claro de montaña]

C/2016 N4 (MASTER)
2016 Oct. 31.78 UT: m1=15.8, Dia.=0.25′, DC=4: 60-cm L (305x); Sandor Szabo (Sopron, Hungary)
2016 Sep. 01.01 UT: m1=15.3, Dia.=0.25′, DC=5; 60-cm L (407x); Sandor Szabo (Hungary)
2016 Aug. 27.01 UT: m1=16.5 CCD, Dia.=0.40′, DC=7/; 20-cm L f/4 + CCD; Sergey Shurpakov (A98, Baran’, Belarus)

C/2016 K1 (LINEAR)
2016 Aug. 09.91 UT: m1=18.3 CCD, Dia.=0.11′, DC=8; 0.25-m L f/4.7 + CC; Sergey Shurpakov (C36, Baran’, Belarus)
2016 Aug. 07.84 UT: m1=18.0 CCD, Dia.=0.28′, DC=8; 0.25-m L f/4.7 + CCD; Sergey Shurpakov (C36, Baran’, Belarus)
2016 Aug. 03.82 UT: m1=18.0 CCD, Dia.=0.23′, DC=8, Tail=0.40′ in PA: 188 deg.; 0.25-m L  f/3.2 + CCD; Sergey Shurpakov (Baran’, Belarus)
2016 July 30.98 UT: m1=17.3 CCD, Dia.=0.27′, DC=8/; 0.25-m L  f/4.7 + CCD; Sergey Shurpakov (C36, Baran’, Belarus)
2016 July 31.87 UT: m1=17.3 CCD, Dia.=0.30′, DC=7/; 0.25-m L  f/4.7 + CCD; Sergey Shurpakov (C36, Baran’, Belarus)

P/2016 BA14 (PANSTARRS)
2016 Apr. 30.96 UT: m1=19.1 CCD, Dia.=0.15′, DC=9; 0.25-m L+ CCD; Sergey Shurpakov (Baran’, Belarus)
2016 Apr.29.83 UT: m1=19.1 CCD, Dia.=0.14′, DC=8/; 0.25-m L+ CCD; Sergey Shurpakov (Baran’, Belarus)
2016 Mar. 27.92 UT: m1=[13.5, no detectado; 30-cm L(150x); Valentín Diaz (Aspe, Alicante, España)
2016 Mar. 24.76 UT: m1=13.9, Dia.=-, DC=9; 60.3-cm L (244x); Sandor Szabo (Sopron, Hungary)
2016 Mar. 22.47 UT: m1=12.8, Dia.=-‘, DC=9; 40.6-cm L f/4 (260x); Paul Camilleri (Warners Bay, Australia)
2016 Mar. 22.44 UT: m1=13.0, Dia.=-, DC=-; 40.0-cm L f/4.5 (257x); Seiichi Yoshida (Ibaraki, Japan)
2016 Mar. 20.81 UT: m1=13.5 DSLR, Dia.=1’; 1100d+300mm lens; Giuseppe Pappa (Sicily, Italy)

C/2016 A8 (LINEAR)
2016 Oct. 31.73 UT: m1=[15.5, Negative; 60-cm L (305x); Sandor Szabo (Sopron, Hungary) [it is between 15 mag stars, nothing is seen]
2016 Oct. 02.85 UT: m1=12.7, Dia.=0.7′, DC=4; 20-cm SCT (133x); Juan José González (Alto del Castro, alt. 1720 m, León, España) [Estrellas de comparación de la fotometría APASS cercana al cometa. Estrellas de campo comprobadas en el DSS. Cielo muy claro de montaña]
2016 Sep. 29.80 UT: m1=13.8, Dia.=0.4’, DC=1; 60-cm L (305x); Sandor Szabo (Sopron, Hungary)
2016 Sep. 28.87 UT: m1=12.5, Dia.=0.7′, DC=5; 20-cm SCT (133x); Juan José González (Alto del Castro, alt. 1720 m, León, España) [Estrellas de comparación de la fotometría APASS cercana al cometa. Estrellas de campo comprobadas en el DSS. Cielo muy claro de montaña]
2016 Sep. 28.41 UT: m1=13.8, Dia.=0.6’, DC=3; 25-cm L f:5 (166x); Chris Wyatt (Walcha, NSW, Australia) [Very difficult to see, visible in periods of good seeing, no tail. Close to background stars. Sky conditions slightly hazy from smoke]
2016 Sep. 27.78 UT: m1=12.6, Dia.=0.8′, DC=3/; 25.4-cm L f:5 (139x); Maik Meyer (Limburg, Germany)
2016 Sep. 24.00 UT: m1=12.4, Dia.=1′, DC=4; 22-cm L (160x); Marco Antonio Coelho Goiato (Araçatuba, Brazil)
2016 Sep. 11.95 UT: m1=14.9 CCD, Dia.=0.56′, DC=6/; 0.25-m L f/4.7 + CCD; Sergey Shurpakov (C36, Baran’, Belarus)
2016 Sep. 06.08 UT: m1=11.8, Dia.=2.0′, DC=3/; 20-cm SCT (100x); Juan José González (Nogarejas, alt. 920 m, León, España)
2016 Sep. 02.96 UT: m1=12.7, Dia.=1.1′, DC=4; 16-cm R f:11 (74x); Martin Lehky (Czech Republic)
2016 Sep. 02.88 UT: m1=11.8, Dia.=2′, DC=4, no cola; 20-cm SCT (80x); Carlos Labordena (Castellón, España)
2016 Sep. 01.46 UT: m1=12.6, Dia.=0.3′, DC=6; 40.0-cm L f/4.5 (144x); Seiichi Yoshida (Gunma, Japan)
2016 Aug. 31.94 UT: m1=12.1 DSLR, Dia.=0.68′; 15-cm L + DSLR V f/5; Mieczyslaw Leszek Paradowski (Lublin, Poland) [Software: IRIS v.5.59 – selected green channel; 30 frames stacked]
2016 Aug. 31.91 UT: m1=12.7, Dia.=1′, DC=3/; 16-cm R f:11 (74x); Martin Lehky (Czech Republic)
2016 Aug. 31.82 UT: m1=13.5 CCD, Dia.=0.70′, DC=7/, Tail=0.87′ in PA: 121 deg.; 0.25-m L f/4.7 + CCD; Sergey Shurpakov (C36, Baran’, Belarus)
2016 Aug. 30.88 UT: m1=13.3, Dia.=1.1′, DC=5; 35-cm L (178x); Jakub Černý (Senohraby, Czech Republic)
2016 Aug. 29.94 UT: m1=13.2, Dia.=1.0′, DC=5; 35-cm L (178x); Jakub Černý (Senohraby, Czech Republic)
2016 Ago. 29.92 UT: m1=11.6, Dia.=2.5′, DC=4; 20-cm SCT (77x); Juan José González (Pandorado, alt. 1190 m, León, España)
2016 Aug. 28.94 UT: m1=12.7, Dia.=0.74′, DC=5; 30-cm L f/5 (167x); Mieczyslaw Leszek Paradowski (Dąbrowa, Poland)
2016 Aug. 28.93 UT: m1=13.5, Dia.=1.1′, DC=5/; 35-cm L (178x); Jakub Černý (Senohraby, Czech Republic)
2016 Aug. 27.99 UT: m1=11.9, Dia.=1.5′, DC=4/; 22-cm L (160x); Marco Antonio Coelho Goiato (Araçatuba, Brazil)
2016 Aug. 27.92 UT: m1=13.1, Dia.=0.5′, DC=6; 35-cm L (178x); Jakub Černý (Senohraby, Czech Republic)
2016 Aug. 27.89 UT: m1=12.7, Dia.=0.74′, DC=5; 30-cm L f/5 (167x); Mieczyslaw Leszek Paradowski (Dąbrowa, Poland)
2016 Aug. 26.94 UT: m1=13.7 CCD, Dia.=0.50′, DC=7/; 0.20-m L  f/4 + CCD; Sergey Shurpakov (A98, Baran’, Belarus)
2016 Aug. 26.92 UT: m1=13.0, Dia.=0.63′, DC=5; 30-cm L f/5 (167x); Mieczyslaw Leszek Paradowski (Dąbrowa, Poland)
2016 Aug. 26.92 UT: m1=13.1, Dia.=1.0′, DC=6/; 35-cm L (178x); Jakub Černý (Senohraby, Czech Republic)
2016 Aug. 25.92 UT: m1=13.3, Dia.=0.4′, DC=6; 60-cm L (244x); Sandor Szabo (Hungary)
2016 Aug. 25.88 UT: m1=13.1, Dia.=0.7′, DC=6/; 35-cm L (178x); Jakub Černý (Senohraby, Czech Republic)
2016 Aug. 22.92 UT: m1=14.2 CCD, Dia.=0.45′, DC=7/; 0.20-m L f/4 + CCD; Sergey Shurpakov (A98, Baran’, Belarus)
2016 Aug. 21.83 UT: m1=14.0 CCD, Dia.=0.42′, DC=7/; 0.25-m L f/4/7 + CCD; Sergey Shurpakov (C36, Baran’, Belarus)
2016 Aug. 20.87 UT: m1=14.6 CCD, Dia.=0.46′, DC=8; 0.20-m L f/4 + CCD; Sergey Shurpakov (A98, Baran’, Belarus)
2016 Aug. 13.93 UT: m1=13.7 CCD, Dia.=0.47′, DC=6/, Tail=1′ in PA=177 deg.; 25-cm L f/4.7 + CCD; Sergey Shurpakov (C36, Baran’, Belarus)
2016 Aug. 12.84 UT: m1=13.7 CCD, Dia.=0.49′, DC=7/, Tail=1,15′ in PA=204 deg.; 25-cm L f/4.7 + CCD; Sergey Shurpakov (C36, Baran’, Belarus)
2016 Ago. 11.09 UT: m1=13.2, Dia.=0.8′, DC=6; 20-cm SCT (133x); Juan José González (Alto del Trichero, alt. 1190 m, León, España) [Movimiento seguido durante 30 min. Estrellas de comparación de la fotometría APASS cercana al cometa. Estrellas de campo comprobadas en el DSS. Cielo muy claro de montaña]
2016 Aug. 07.92 UT: m1=14.0 CCD, Dia.=0.39′, DC=7/; 0.25-m L f/4.7 + CCD; Sergey Shurpakov (C36, Baran’, Belarus)
2016 Aug. 03.97 UT: m1=14.0 CCD, Dia.=0.40′, DC=8, Tail=0.50′ in PA: 219 deg.; 0.25-m L  f/4.7 + CCD; Sergey Shurpakov (Baran’, Belarus)
2016 July 30.88 UT: m1=14.6 CCD, Dia.=0.52′, DC=7/;  0.25-m L f/4.7 + CCD; Sergey Shurpakov (C36, Baran’, Belarus)
2016 July 31.93 UT: m1=14.5 CCD, Dia.=0.30′, DC=7/; Tail=0.25′ deg. in PA: 202 deg.; 0.25-m L  f/4.7 + CCD; Sergey Shurpakov (C36, Baran’, Belarus)
2016 July 28.00 UT: m1=14.5, Dia.=0.4′, DC=7; 20-cm SCT (222x); Juan José González (Alto del Castro, alt. 1720 m, León, España) [Movimiento seguido durante 30 min. Estrellas de comparación de la fotometría SRO-Henden del cercano campo GSC_3267_1. Estrellas de campo comprobadas en el DSS. Cielo muy claro de montaña]

C/2015 Y1 (LINEAR)
2016 Apr. 28.84 UT: m1=16.9 CCD, Dia.=0.42′, DC=3; 15-cm L+CCD; Sergey Shurpakov (Baran’, Belarus)

C/2015 X8 (NEOWISE)
2016 Jan. 29.78 UT: m1=[15.5, NEGATIVE; 60.3-cm L (305x) ; Sandor Szabo (Sieggraben, Austria)
2016 Jan. 26.83 UT: m1=13.0 DSLR, Dia.=1′; 1100d+300mm lens; Giuseppe Pappa (Sicily, Italy)
2016 Jan. 25.88 UT: m1=13.0 DSLR, Dia.=1′; 1100d+300mm lens; Giuseppe Pappa (Sicily, Italy)
2016 Jan. 09.82 UT: m1=12.7, Dia.=1.3′, DC=0; 40.0-cm L f/4.5 (144x); Seiichi Yoshida (Ibaraki, Japan)

C/2015 X7 (ATLAS)
2016 Dec. 11.12 UT: m1=17.9 CCD, Dia.=0.37′, DC=8; 0.25-m L f/4.7; Sergey Shurpakov (C36, Baran’, Belarus)

C/2015 X4 (Elenin)
2016 Jan. 29.87 UT: m1=16.0, Dia.=0.15′, DC=3; 60.3-cm L (305x); Sandor Szabo (Sieggraben, Austria)

C/2015 WZ (PANSTARRS)
2016 June 08.87 UT: m1=[11.4; 13-cm L (103x); Alexsandr Morozov (Novozybkov, Russia)
2016 June 07.99 UT: m1=12.3, Dia.=1.4′, DC=3; 31-cm C f/9 (68x); Martin Lehky ((Hradec Kralove, Czech Republic)
2016 June 06.99 UT: m1=12.3, Dia.=1.5′, DC=3; 31-cm C f/9 (68x); Martin Lehky ((Hradec Kralove, Czech Republic)
2016 June 05.83 UT: m1=10.5, Dia.=3′, DC=2; 25.5-cm L (120x); Danil Sidorko (Korenovsk, Russia)
2016 June 05.07 UT: m1=10.6, Dia.=3′, DC=1, no cola; 20-cm SCT (50x); Carlos Labordena (Castellón, España)
2016 June 03.58 UT: m1=[12.4; 40.0-cm L f/4.5 (144x); Seiichi Yoshida (Gunma, Japan)
2016 May  31.93 UT: m1=10.1, Dia.=5′, DC=1/; 20-cm SCT (77x); Juan José González (Alto del Castro – Aralla, alt. 1720 m, León, España)
2016 May  30.01 UT: m1=11.2, Dia.=3′, DC=1, no cola; 20-cm SCT (80x); Carlos Labordena (Castellón, España)
2016 May  28.00 UT: m1=16.5 CCD, Dia.=0.31′, DC=3/; 25-cm L f/4.7; Sergey Shurpakov (Baran’, Belarus)
2016 Mayo 15.11 UT: m1=10.4, Dia.=5′, DC=1/; 20-cm SCT (77x); Juan José González (Cueto Rosales, alt. 1420 m, León, España)
2016 May  08.99 UT: m1=14.6 CCD, Dia.=0.49′, DC=3; 0.20-m L+CCD;  Sergey Shurpakov (Baran’, A98, Belarus)
2016 May  08.03 UT: m1=11.5, Dia.=2′.9, DC=2/; 35-cm L (178x); Jakub Cerny (Senohraby, Czech Republic)
2016 May  06.00 UT: m1=14.9 CCD, Dia.=0.53′, DC=6/; 25-cm L+CCD; Sergey Shurpakov (Baran’,Belarus)
2016 May  04.74 UT: m1=12.5, Dia.=1.5′, DC=0/; 40.0-cm L f/4.5 (144x); Seiichi Yoshida (Gunma, Japan)
2016 May  02.16 UT: m1=13.6, Dia.=0.8′, DC=4; 40.0-cm L (225x); Sandor Szabo (Hakos, Namibia)
2016 Mayo 01.12 UT: m1=10.9, Dia.=3.0′, DC=2/; 20-cm SCT (100x); Juan José González (Cueto Rosales, alt. 1420 m, León, España) [Significativamente más brillante que lo previsto. Débil y difusa coma externa. Alguna interferencia lunar. Magnitud límite estelar en el sector del cometa: 13.6 (APASS). Movimiento seguido durante 45 min. Estrellas de campo comprobadas en el DSS. Cielo muy claro de montaña]

C/2015 VL62 (Lemmon-Yeung-PANSTARRS)
2016 Oct. 31.88 UT: m1=15.7, Dia.=0.15′, DC=6; 60-cm L (305x); Sandor Szabo (Sopron, Hungary)
2016 Sep. 30.92 UT: m1=15.8, Dia.=0.15’, DC=2; 60-cm L (407x); Sandor Szabo (Sopron, Hungary) [It was also observed on the previous night and motion is checked. In ther center there is a 16.2 mag starlike nucleus]
2016 Sep. 08.88 UT: m1=16.6 CCD, Dia.=0.18′, DC=7/; 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 Aug. 31.88 UT: m1=16.8 CCD, Dia.=0.26′, DC=7/; 0.25-m L f/4.7 + CCD; Sergey Shurpakov (C36, Baran’, Belarus)
2016 Aug. 22.00 UT: m1=16.5 CCD, Dia.=0.20′, DC=7/; 0.25-m L f/4.7 + CCD; Sergey Shurpakov (C36, Baran’, Belarus)
2016 Aug. 13.95 UT: m1=17.3 CCD, Dia.=0.23′, DC=9; 0.25-m L f/4.7 + CCD; Sergey Shurpakov (C36, Baran’, Belarus)
2016 Aug. 13.01 UT: m1=17.3 CCD, Dia.=0.10′, DC=8/; 0.25-m L f/4.7 + CCD; Sergey Shurpakov (C36, Baran’, Belarus)
2016 Aug. 09.97 UT: m1=17.3 CCD, Dia.=0.25′, DC=9; 0.25-m L f/4.7 + CCD; Sergey Shurpakov (C36, Baran’, Belarus)
2016 Aug. 07.97 UT: m1=17.3 CCD, Dia.=0.26′, DC=9; 0.25-m L f/4.7 + CCD; Sergey Shurpakov (C36, Baran’, Belarus)
2016 Aug. 06.98 UT: m1=17.3 CCD, Dia.=0.21′, DC=8/; 0.25-m L  f/4.7 + CCD; Sergey Shurpakov (Baran’, Belarus)

C/2015 V3 (PANSTARRS)
2016 Aug. 12.91 UT: m1=19.4 CCD, Dia.=0.22′, DC=6/; 0.25-m L f/4.7 + CCD; Sergey Shurpakov (C36, Baran’, Belarus)

C/2015 V2 (Johnson)
2016 Dec. 30.20 UT: m1=11.5, Dia.=2.0′, DC=s7/, Tail= 0.08 deg. in PA: 225 deg.; 32-cm L f/5 (96x); Uwe Pilz (Leipzig, Germany)
2016 Dec. 30.14 UT: m1=11.8, Dia.=1.2’, DC=5; 60-cm L (77x); Sandor Szabo (Hungary) [Tail= 5’ to PA: 320 deg.]
2016 Dec. 29.22 UT: m1=11.8, Dia.=1.5′, DC=4; 25.4-cm L f/5 (64x); Maik Meyer (Limburg, Germany)
2016 Dec. 29.19 UT: m1=11.9, Dia.=1.0′, DC=7/, Tail= 0.08 deg. in PA: 330 deg.; 35-cm L (62x); Jakub Cerny (Senohraby, Czech Republic)
2016 Dec. 26.17 UT: m1=10.8, Dia.=3′, DC=3/; 20-cm SCT (77x); Juan José González (Les Retuertes – Sierra del Aramo, alt. 1350 m, Asturias, España; Alt. 1350 m, 43º 10′ N, 5º 54′ W) [Método Sidgwick. Estrellas de comparación Tycho-2. SQM zenital: 21.4. Condensación central cuasi-estelar : m2=13.0:(APASS). Cielo muy claro de montaña]
2016 Dic. 23.09 UT: m1=10.9, Dia=3′, DC=3, no cola; 20-cm SCT (80x); Carlos Labordena (Castellón, España)
2016 Dec. 11.09 UT: m1=12.8 CCD, Dia.=0.74′, DC=7/, Tail= 4′ in PA: 314 deg.; 0.25-m L f/4.7; Sergey Shurpakov (C36, Baran’, Belarus)
2016 Dic. 10.23 UT: m1=10.8, Dia.=3′, DC=3; 20-cm SCT (77x); Juan José González (Les Retuertes – Sierra del Aramo, alt. 1350 m, Asturias, España) [Cielo muy claro de montaña]
2016 Dic. 06.22 UT: m1=10.6, Dia.=3′, DC=3/; 20-cm SCT (77x); Juan José González (Les Retuertes – Sierra del Aramo, alt. 1350 m, Asturias, España) [Condensación central cuasi-estelar : m2=12.9:(APASS). Cielo muy claro de montaña]
2016 Dic. 05.25 UT: m1=10.6, Dia.=4′, DC=3; 20-cm SCT (77x); Juan José González (Pico del Pozo de la Nieve – Sierra de la Bobia, alt. 1130 m, Asturias, España)
2016 Dec. 05.18 TU: m1=12.0, Dia.=1.5, DC=3/; 25.4-cm L f:5 (104x); Maik Meyer (Limburg, Germany)
2016 Dic. 03.11 UT: m1=10.8, Dia=4′, DC=2, no cola; 20-cm SCT (80x); Carlos Labordena (Castellón, España)
2016 Dec. 02.79 UT: m1=12.8, Dia.=1.5′, DC=7; 40.0-cm L f/4.5 (144x); Seiichi Yoshida (Gunma, Japan)
2016 Nov. 30.16 UT: m1=10.4, Dia.=5′, DC=2/; 20-cm SCT (77x); Juan José González (Les Retuertes – Sierra del Aramo, alt. 1350 m, Asturias, España) [Cielo muy claro de montaña]
2016 Nov. 29.19 TU: m1=12.2, Dia.=1.0′, DC=4; 25.4-cm L f:5 (104x); Maik Meyer (Limburg, Germany)
2016 Nov. 29.13 UT: m1=12.8, Dia.=0.7′, DC=5; 60-cm L (184x); Sandor Szabo (Hungary) [With 306x: droplike compact coma, bright false-nucleus and 2’ long tail to PA: 325 deg.]
2016 Nov. 28.20 TU: m1=12.2, Dia.=1.2′, DC=5; 25.4-cm L f:5 (104x); Maik Meyer (Limburg, Germany)
2016 Nov. 25.21 UT: m1=10.5, 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. 25.12 UT: m1=11.1, Dia=3′, DC=2, no cola; 20-cm SCT (80x); Carlos Labordena (Castellón, España)
2016 Nov. 05.78 UT: m1=13.0, Dia.=1.1′, DC=4; 40.0-cm L f/4.5 (257x); Seiichi Yoshida (Gunma, Japan)
2016 Nov. 04.81 UT: m1=13.3, Dia.=1.5′, DC=5; 40.0-cm L f/4.5 (144x); Seiichi Yoshida (Gunma, Japan)
2016 Nov. 02.22 UT: m1=10.6, Dia.=4′, DC=2; 20-cm SCT (77x); Juan José González (Mallo de Luna, alt. 1120 m, León, España) [Cielo muy claro de montaña]
2016 Oct. 30.17 UT: m1=11.2, Dia.=3′, DC=2, no cola; 20-cm SCT (80x); Carlos Labordena (Castellón, España)
2016 Oct. 27.16 UT: m1=10.6, Dia.=4′, DC=2/; 20-cm SCT (100x); Juan José González (Pandorado, alt. 1190 m, León, España) [Débil coma externa. Estrellas de campo comprobadas en el DSS. Cielo muy claro de montaña]
2016 Oct. 20.81 UT: m1=13.1, Dia.=0.6′, DC=5; 40.0-cm L f/4.5 (257x); Seiichi Yoshida (Gunma, Japan)
2016 Oct. 03.17 UT: m1=10.8, Dia.=3.5′, DC=3; 20-cm SCT (100x); Juan José González (Alto del Castro, alt. 1720 m, León, España) [Esta observación, realizada con menor aumento, proporciona un mayor diámetro de la débil coma exterior, y con ello una m1 más brillante, en comparación con la previa realizada en Sep. 29.18. Estrellas de campo comprobadas en el DSS. Cielo muy claro de montaña]
2016 Sep. 29.18 UT: m1=11.7, Dia.=2.0′, DC=3/; 20-cm SCT (133x); Juan José González (Alto del Castro, alt. 1720 m, León, España) [Estrellas de comparación de la fotometría APASS cercana al cometa. Estrellas de campo comprobadas en el DSS. Cielo muy claro de montaña]
2016 Sep. 09.17 UT: m1=12.2, Dia.=2.0′, DC=4; 20-cm SCT (133x); Juan José González (Alto del Trichero, alt. 1190 m, León, España) [Observación realizada en mejores condiciones que en la previa de Sep. 6.18 UT, desde una localización de montaña más elevada y cielo más oscuro, midiendo un mayor diámetro de coma y con ello una m1 más brillante. Estrellas de comparación de la fotometría APASS cercana al cometa. Estrellas de campo comprobadas en el DSS. Cielo muy claro de montaña]
2016 Sep. 06.18 UT: m1=13.4, Dia.=0.5′, DC=7; 20-cm SCT (133x); Juan José González (Nogarejas, alt. 920 m, León, España) [Estrellas de comparación de la fotometría APASS cercana al cometa. Estrellas de campo comprobadas en el DSS. Cielo claro de montaña]
2016 Sep. 01.82 UT: m1=13.0, Dia.=1′, DC=5; 30-cm L f/5 (167x); Mieczyslaw Leszek Paradowski (Dąbrowa, Poland) [NELM=6.0; alt. 16 deg]
2016 Sep. 01.11 UT: m1=14.3, Dia.=0.4′, DC=6; 60-cm L (244x); Sandor Szabo (Hungary)
2016 Aug. 30.82 UT: m1=14.1, Dia.=0.8′, DC=4/; 35-cm L (178x); Jakub Černý (Senohraby, Czech Republic)
2016 Aug. 30.06 UT: m1=13.9, Dia.=0.6′, DC=5; 40-cm L (200x); Jakub Černý (Senohraby, Czech Republic)
2016 Aug. 27.83 UT: m1=12.9, Dia.=0.8′, DC=4; 30-cm L f/5 (167x); Mieczyslaw Leszek Paradowski (Dąbrowa, Poland) [NELM=6.0; alt. 16 deg]
2016 Aug. 27.83 UT: m1=14.1, Dia.=0.5′, DC=5/; 35-cm L (178x); Jakub Černý (Senohraby, Czech Republic)
2016 Aug. 26.84 UT: m1=12.9, Dia.=0.71′, DC=4; 30-cm L f/5 (167x); Mieczyslaw Leszek Paradowski (Dąbrowa, Poland) [NELM=6.0; alt. 16 deg]
2016 Apr. 16.84 UT: m1=15.5 CCD, Dia.=0.42′, DC=8; 15-cm L; Sergey Shurpakov (Baran’, Belarus)
2016 Apr. 11.79 UT: m1=15.4 CCD, Dia.=0.34′, DC=8; 15-cm L; Sergey Shurpakov (Baran’, Belarus)
2016 Mar. 30.87 UT: m1=15.7, Dia.=0.25′, DC=6; 60.3-cm L (307x); Sandor Szabo (Sopron, Hungary)

C/2015 V1 (PANSTARRS)
2016 Dec. 29.92 UT: m1=16.5, Dia.=0.15’, DC=7; 60-cm L (407x); Sandor Szabo (Hungary) [Motion was checked during 15 minutes period]
2016 Oct. 31.90 UT: m1=16.2, Dia.=0.15′, DC=4; 60-cm L (305x); Sandor Szabo (Sopron, Hungary) [Motion was checked during 20 minutes period]

C/2015 TQ209 (LINEAR)
2016 Jan. 29.75 UT: m1=16.0, Dia.=0.25′, DC=4; 60.3-cm L (305x); Sandor Szabo (Sieggraben, Austria)

P/2015 TP200 (LINEAR)
2016 Dec. 10.96 UT: m1=17.2 CCD, Dia.=0.22′, DC=8/; 0.25-m L f/4.7; Sergey Shurpakov (C36, Baran’, Belarus)
2016 Dec. 06.93 UT: m1=16.7 CCD, Dia.=0.37′, DC=8, Tail= 0.5’in PA: 268 deg.; 0.25-m L f/4.7; Sergey Shurpakov (C36, Baran’, Belarus)
2016 Nov. 24.87 UT: m1=17.2 CCD, Dia.=0.15′, DC=7/; 0.25-m L f/4.7; Sergey Shurpakov (C36, Baran’, Belarus)
2016 Sep. 10.08 UT: m1=18.1 CCD, Dia.=0.10′, DC=7/; 0.25-m L f/4.7 + CCD; Sergey Shurpakov (C36, Baran’,Belarus)
2016 Sep. 09.08 UT: m1=18.0 CCD, Dia.=0.16′, DC=8; 0.25-m L f/4.7 + CCD; Sergey Shurpakov (C36, Baran’, Belarus)

C/2015 O1 (PANSTARRS)
2016 Aug. 31.85 UT: m1=16.2, Dia.=0.1′, DC=5; 60-cm L (518x); Sandor Szabo (Hungary) [Motion was cheched during 20 minutes period]

C/2015 ER61 (PANSTARRS)
2016 Dec. 30.20 UT: m1=13.9, Dia.=0.6’, DC=4; 60-cm L (305x); Sandor Szabo (Hungary)
2016 Dec. 29.72 UT: m1=13.0, Dia.=0.6’, DC=2/; 25-cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma small and diffuse, difficult to see due to zodiacal light and twilight interference. Comparison stars checked using APASS data in Guide 9.0; Method= S; Cat= AQ]
2016 Dec. 29.22 UT: m1=13.3, Dia.=1.2′, DC=5; 35-cm L (178x); Jakub Cerny (Senohraby, Czech Republic)
2016 Dec. 26.52 UT: m1=13.6, Dia.=0.7′, DC=5; 41-cm L (229x); Alan Hale (Cloudcroft, USA) [The coma is somewhat “dense” but is not really “condensed.”]
2016 Dec. 26.25 UT: m1=11.2, Dia.=2.5′, DC=1/; 20-cm SCT (133x); Juan José González (Les Retuertes – Sierra del Aramo, alt. 1350 m, Asturias, España; Alt. 1350 m, 43º 10′ N, 5º 54′ W) [Método Sidgwick. Estrellas de comparación Tycho-2. Muy débil y difusa coma externa. Altura sobre el horizonte: 16º. Alguna interferencia de la luz lunar. Estrellas de campo comprobadas en el DSS. Magnitud límite estelar en la zona del cometa: 13.9 (APASS). Cielo muy claro de montaña]
2016 Dic. 23.23 UT: m1=12.2, Dia=1′, DC=1, no cola; 20-cm SCT (118x); Carlos Labordena (Castellón, España)
2016 Dic. 10.25 UT: m1=10.3, Dia.=3′, DC=1/; 20-cm SCT (100x); Juan José González (Les Retuertes – Sierra del Aramo, alt. 1350 m, Asturias, España) [Muy débil y difusa coma externa. Altura sobre el horizonte: 14º. Estrellas de campo comprobadas en el DSS. Magnitud límite estelar en la zona del cometa: 13.5 (APASS) – 14.0 (GSC). Cielo muy claro de montaña]
2016 Dec. 06.25 UT: m1=10.4, Dia.=2.5′, DC=2; 20-m SCT (100x); Juan José González (Les Retuertes – Sierra del Aramo, alt. 1350 m, Asturias, España ) [Débil y difusa coma externa. Altura sobre el horizonte : 13º. Estrellas de campo comprobadas en el DSS. Magnitud límite estelar en la zona del cometa : 13.5 (APASS). Cielo muy claro de montaña]

C/2014 W11 (PANSTARRS)
2016 May  11.02 UT: m1=14.8, Dia.=0.3′, DC=3; 60.0-cm L (141x); Sandor Szabo (Hakos, Namibia)
2016 Apr. 30.97 UT: m1=15.5, Dia.=0.3′, DC=6; 40.0-cm L (225x); Sandor Szabo (Hakos, Namibia)
2016 Jan. 09.85 UT: m1=[14.0; 40.0-cm L f/4.5 (257x); Seiichi Yoshida (Ibaraki, Japan)

C/2014 W2 (PANSTARRS)
2016 Sep. 01.45 UT: m1=14.0, Dia.=0.6′, DC=2; 40.0-cm L f/4.5 (257x); Seiichi Yoshida (Gunma, Japan)
2016 Aug. 30.84 UT: m1=14.1, Dia.=0.6′, DC=6; 35-cm L (178x); Jakub Černý (Senohraby, Czech Republic)
2016 Aug. 28.86 UT: m1=14.1, Dia.=0.3′, DC=6; 35-cm L (178x); Jakub Černý (Senohraby, Czech Republic)
2016 Aug. 28.83 UT: m1=14.4, Dia.=0.7′, DC=3; 30-cm L, f/5 (167x); Mieczyslaw Leszek Paradowski (Dąbrowa, Poland)
2016 Aug. 27.85 UT: m1=14.3, Dia.=0.3′, DC=7; 35-cm L (178x); Jakub Černý (Senohraby, Czech Republic)
2016 Aug. 27.81 UT: m1=13.7, Dia.=0.7′, DC=1; 60-cm L (244x); Sandor Szabo (Hungary)
2016 Aug. 26.85 UT: m1=14.0, Dia.=0.63′, DC=3; 30-cm L, f/5 (167x); Mieczyslaw Leszek Paradowski (Dąbrowa, Poland)
2016 Aug. 24.83 UT: m1=13.9, Dia.=1.2′, DC=4; 35-cm L (178x); Jakub Černý (Senohraby, Czech Republic)
2016 Ago. 11.00 UT: m1=12.4, Dia.=1.5′, DC=4; 20-cm SCT (100x); Juan José González (Alto del Trichero, alt. 1190 m, León, España) [Estrellas de comparación de la fotometría APASS]
2016 Ago. 01.92 UT: m1=12.5, Dia.=1.5′, DC=5; 20-cm SCT (77x); Juan José González (Cueto Rosales, alt. 1420 m, León, España)
2016 July 31.38 UT: m1=13.7, Dia.=1’, DC=2; 25-cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma very diffuse, no tail, low altitude = 18.7°]
2016 July 28.36 UT: m1=13.5, Dia.=0.8’, DC=2; 25-cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma very diffuse, no tail. Low altitude = 18.0°]
2016 July 27.92 UT: m1=12.6, Dia.=1.5′, DC=5; 20-cm SCT (77x); Juan José González (Alto del Castro, alt. 1720 m, León, España) [Estrellas de comparación de la fotometría APASS]
2016 July 27.89 UT: m1=14.2 CCD, Dia.=0.89′, DC=7/; 0.15-m L f/3.2; Sergey Shurpakov (Baran’, Belarus)
2016 July 25.37 UT: m1=13.6:, Dia.=0.6’, DC=3; 25-cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Magnitude uncertain due to proximity to mag 12.9 star 0.3’away in P.A. 227°. No tail; Low altitude = 16.5°]
2016 July 23.38 UT: m1=13.6, Dia.=0.8’, DC=2; 25-cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma very diffuse, no tail. Low altitude = 15.4°. Very windy conditions]
2016 July 10.88 UT: m1=14.6 CCD, Dia.=0.73′, DC=4/; 0.15-m L f/3.2 +CCD; Sergey Shurpakov (Baran’, Belarus)
2016 July 08.99 UT: m1=12.5, Dia.=2.0′, DC=4; 20-cm SCT (77x); Juan José González (Cueto Rosales, alt. 1420 m, León, España) [Estrellas de comparación de la fotometría APASS]
2016 July 05.87 UT: m1=14.7 CCD, Dia.=0.42′, DC=4/; 0.15-m L f/3.2 +CCD; Sergey Shurpakov (Baran’, Belarus)
2016 July 02.97 UT: m1=12.5, Dia.=2.0′, DC=5; 20-cm SCT (77x); Juan José González (Alto del Castro – Aralla, alt. 1720 m, León, España) [Estrellas de comparación de la fotometría APASS]
2016 June 27.99 UT: m1=12.7, Dia.=1.5′, DC=6; 20-cm SCT (77x); Juan José González (Alto del Castro – Aralla, alt. 1720 m, León, España) [Estrellas de comparación de la fotometría APASS cercana al cometa]
2016 June 25.95 UT: m1=14.7 CCD, Dia.=0.54′, DC=4/; 0.20-m L+CCD; Sergey Shurpakov (A98, Baran’,Belarus)
2016 June 25.83 UT: m1=14.1 CCD, Dia.=1.4′, DC=4; 20-cm L+CCD; Danil Sidorko (Korenovsk, Russia)
2016 June 23.89 UT: m1=14.8 CCD, Dia=0.39′, DC=4/; 0.20-m L+CCD; Sergey Shurpakov (A98, Baran’,Belarus)
2016 June 23.83 UT: m1=14.4 CCD, Dia.=1′, DC=4; 20-cm L+CCD; Danil Sidorko (Korenovsk, Russia)
2016 June 12.91 UT: m1=14.1 CCD, Dia.=0.57′, DC=7/; 15-cm L+CCD; Sergey Shurpakov (C36, Baran’,Belarus)
2016 June 07.98 UT: m1=12.4, Dia.=2′, DC=3/; 31-cm C f/9 (68x); Martin Lehky ((Hradec Kralove, Czech Republic)
2016 June 06.98 UT: m1=12.4, Dia.=2′, DC=3/; 31-cm C f/9 (68x); Martin Lehky ((Hradec Kralove, Czech Republic)
2016 June 06.84 UT: m1=13.2, Dia.=0.7′, DC=4; 25.5-cm L (120x); Danil Sidorko (Korenovsk, Russia)
2016 June 05.82 UT: m1=13.3, Dia.=0.5′, DC=3; 25.5-cm L (120x); Danil Sidorko (Korenovsk, Russia)
2016 June 03.87 UT: m1=12.6 DSRL, Dia.=1.5′; 1100d+300mm lens; Giuseppe Pappa (Mascalucia, Sicily, Italy)
2016 June 03.83 UT: m1=13.5 CCD, Dia.=1′, DC=4; 20-cm L+CCD; Danil Sidorko (Korenovsk, Russia)
2016 June 03.51 UT: m1=13.1, Dia.=1.6′, DC=6; 40.0-cm L f/4.5 (144x); Seiichi Yoshida (Gunma, Japan)
2016 May  08.95 UT: m1=14.8 CCD, Dia.=0.28′, DC=8;  0.20-m L+CCD; Sergey Shurpakov, Baran’, Belarus, A98)
2016 May  08.78 UT: m1=13, Dia.=0.7′, DC=6; 25.5-cm L (120x); Danil Sidorko (Korenovsk, Russia)
2016 May  07.88 UT: m1=12.7, Dia.=1′.0, DC=5/; 35-cm L (178x); Jakub Cerny (Senohraby, Czech Republic)
2016 May  04.47 UT: m1=13.0, Dia.=0.9′, DC=6; 40.0-cm L f/4.5 (144x); Seiichi Yoshida (Gunma, Japan)
2016 May  03.83 UT: m1=13.5 CCD, Dia.=0.5′, DC=5/; 20-cm L+CCD; Danil Sidorko (Korenovsk, Russia)
2016 May  02.79 UT: m1=13, Dia.=0.3′, DC=6; 25.5-cm L (120x); Danil Sidorko (Korenovsk, Russia)
2016 May  02.50 UT: m1=12.2, Dia.=1.3′, DC=6; 40.0-cm L f/4.5 (144x); Seiichi Yoshida (Gunma, Japan)
2016 May  01.79 UT: m1=13.0, Dia.=0.3′, DC=6; 25.5-cm L (120x); Danil Sidorko (Korenovsk, Russia)
2016 May  01.79 UT: m1=14.1 CCD, Dia.=0.4′, DC=6; 20-cm L+CCD; Danil Sidorko (Korenovsk, Russia)
2016 May  01.51 UT: m1=13.1, Dia.=1.0′, DC=6/; 40.0-cm L f/4.5 (144x); Seiichi Yoshida (Gunma, Japan)
2016 Apr. 29.78 UT: m1=12.9, Dia.=0.4′, DC=7; 25.5-cm L (120x); Danil Sidorko (Korenovsk, Russia)
2016 Apr. 28.78 UT: m1=12.9, Dia.=0.5′, DC=3; 25.5-cm L (120x); Danil Sidorko (Korenovsk, Russia)
2016 Apr. 16.92 UT: m1=14.2 CCD, Dia.=0.41′, DC=8; 15-cm L+CCD; Sergey Shurpakov (Baran’, Belarus)
2016 Apr. 15.77 UT: m1=12.8, Dia.=1.5′, DC=6; 40.0-cm L f/4.5 (144x); Seiichi Yoshida (Ibaraki, Japan)
2016 Apr. 08.66 UT: m1=12.2, Dia.=1.2′, DC=6; 40.0-cm L f/4.5 (144x); Seiichi Yoshida (Ibaraki, Japan)
2016 Jan. 29.79 UT: m1=13.2, Dia.=0.8′, DC=6; 60.3-cm L (244x); Sandor Szabo (Sieggraben, Austria)
2016 Jan. 09.41 UT: m1=12.4, Dia.=0.9′, DC=3/; 40.0-cm L f/4.5 (144x); Seiichi Yoshida (Ibaraki, Japan)
2016 Jan. 08.75 UT: m1=12.6 DSLR, Dia.=1′; 1100d+300mm lens; Giuseppe Pappa (Sicily, Italy)
2016 Jan. 05.77 UT: m1=11.8, Dia.=2′, DC=2; 20.0-cm SCT (80x); Carlos Labordena (Castellón, España)

C/2014 S2 (PANSTARRS)
2016 July 28.36 UT: m1=13.8, Dia.=0.9’, DC=2; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma very small and diffuse, difficult due to seeing conditions. No tail, zodiacal light interference]
2016 July 25.36 UT: m1=13.9, Dia.=0.7’, DC=2; 25-cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [No tail, difficult due to seeing conditions, slightly breezy. Coma very diffuse. Bright star just out of field]
2016 July 23.37 UT: m1=12.9, Dia.=1.8’, DC=2/; 25-cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma very diffuse, brightening to weakly condensed centre. Very windy conditions]
2016 July 08.93 UT: m1=10.7, Dia.=5′, DC=2/; 20-cm SCT (77x); Juan José González (Cueto Rosales, alt. 1420 m, León, España)
2016 July 02.95 UT: m1=10.7, Dia.=5′, DC=2; 20-cm SCT (77x); Juan José González (Alto del Castro – Aralla, alt. 1720 m, León, España)
2016 July 02.36 UT: m1=11.8, Dia.=3.1’, DC=2/; 25-cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Coma very diffuse, does not enhance in Swan Band filter. Outer coma semi-transparent, brightening to a slightly more opaque centre, circular in appearance. Slight interference from zodiacal light. No tail]
2016 July 01.91 UT: m1=11.3, Dia.=3′, DC=3, no cola; 20-cm SCT (80x); Carlos Labordena (Castellón, España)
2016 June 27.94 UT: m1=10.7, Dia.=5′, DC=2/; 20-cm SCT (77x); Juan José González (Alto del Castro – Aralla, alt. 1720 m, León, España)
2016 June 12.87 UT: m1=14.4 CCD, Dia.=0.43′, DC=8; 15-cm L+CCD; Sergey Shurpakov (C36, Baran’, Belarus)
2016 June 09.81 UT: m1=13.8 CCD, Dia.=0.8′, DC=2, Tail= 2.5′ in RA: 70 deg.; 20-cm L +CCD; Danil Sidorko (Korenovsk, Russia)
2016 June 08.87 UT: m1=12.0, Dia=1′, DC=1; 30.5-cm L f/4.9 (93x); J. P. Navarro Pina (El Ardal, Mula, Murcia, Spain) [553 mts, Lm=5.8]
2016 June 08.35 UT: m1=11.6, Dia.=2.7’, DC=3; 25-cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Moonlight; Coma diffuse with slightly more opaque centre, no tail. Does not enhance in Swan Band filter]
2016 June 07.93 UT: m1=11.7, Dia.=2′, DC=3; 31-cm C (68x); Martin Lehky ((Hradec Kralove, Czech Republic)
2016 June 06.93 UT: m1=11.5, Dia.=2′, DC=3; 31-cm C (68x); Martin Lehky ((Hradec Kralove, Czech Republic)
2016 June 06.88 UT: m1=[11.0 NEGATIVE, Dia.=2.1′; 20×80 B; Marek Biely (Brno, Czech Republic) [Already not seen. Fainter than 11.0 mag. Slight interference of astronomical twilight]
2016 June 06.83 UT: m1=11.0, Dia.=3.5′, DC=3; 25.5-cm L (120x); Danil Sidorko (Korenovsk, Russia)
2016 June 05.81 UT: m1=10.9, Dia.=4′, DC=3; 25.5-cm L (120x); Danil Sidorko (Korenovsk, Russia)
2016 June 04.95 UT: m1=10.8, Dia.=3′, DC=3, no cola; 20-cm SCT (80x); Carlos Labordena (Castellón, España)
2016 June 03.86 UT: m1=10.5 DSRL, Dia.=3′; 1100d+300mm lens; Giuseppe Pappa (Mascalucia, Sicily, Italy)
2016 June 03.85 UT: m1=10.8, Dia.=4′, DC=2; 30.5-cm L (93x); J. P. Navarro Pina (Mula, Murcia, Spain)
2016 June 03.49 UT: m1=11.8, Dia.=2.3′, DC=4; 40.0-cm L f/4.5 (75x); Seiichi Yoshida (Gunma, Japan)
2016 June 01.01 UT: m1=10.4, Dia.=5′, DC=3; 20-cm SCT (77x); Juan José González ( Alto del Castro – Aralla, alt. 1720 m, León, España)
2016 May  30.35 UT: m1=11.3, Dia.=3’, DC=3/; 25-cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Coma elongated to the East, inner coma opaque surrounded by a semi-transparent outer coma. Does not enhance in Swan Band filter]
2016 May  29.89 UT: m1=10.5, Dia.=3′, DC=3, no cola; 20-cm SCT (80x); Carlos Labordena (Castellón, España)
2016 May  27.92 UT: m1=11.5, Dia.=2.2′, DC=3: 31-cm C (68x); Martin Lehky ((Hradec Kralove, Czech Republic)
2016 May  26.96 UT: m1=11.4, Dia.=2.2′, DC=3: 31-cm C (68x); Martin Lehky ((Hradec Kralove, Czech Republic)
2016 May  26.88 UT: m1=11.5 CCD, Dia.=5.8′, DC=5/; 0.02-m R f/2.5; Sergey Shurpakov (Baran’, Belarus)
2016 May  25.89 UT: m1=11.4 CCD, Dia.=9.4′, DC=4/; 0.02-m R f/2.5; Sergey Shurpakov (Baran’, Belarus)
2016 May  24.93 UT: m1=11.4, Dia.=2′, DC=3: 31-cm C (68x); Martin Lehky ((Hradec Kralove, Czech Republic)
2016 Mayo 15.10 UT: m1=10.2, Dia.=5′, DC=3/; 20-cm SCT (77x); Juan José González (Cueto Rosales, alt. 1420 m, León, España)
2016 May  15.06 UT: m1=10.5, Dia.=3′, DC=3, no cola; 15-cm T(45x); Carlos Labordena (Castellón, España)
2016 May  12.876 UT: m1=12.9 CCD, Dia.=0.70′, DC=7, Tail= 1,4′ in PA: 104 deg.; 15-cm L+CCD; Sergey Shurpakov (Baran’, Belarus)
2016 May  09.95 UT: m1=10.2, Dia.=3.4′, DC=4; 20×80 B; Marek Biely (Brno, Czech Republic)
2016 May  09.95 UT: m1=13.0 CCD, Dia.=0.48′, DC=8; 15-cm L+CCD; Sergey Shurpakov (Baran’, Belarus, A98)
2016 May  08.92 UT: m1=10.6, Dia.=5.5′, DC=3; 13-cm L (65x); Alexsandr Morozov (Novozybkov, Russia)
2016 May  08.90 UT: m1=13.5 CCD, Dia.=0.51′, DC=8; 0.20-m L+CCD; Sergey Shurpakov, Baran’, Belarus, A98)
2016 May  08.88 UT: m1=10.0, Dia.=3.7′, DC=3/; 20×80 B; Marek Biely (Brno, Czech Republic)
2016 May  08.79 UT: m1=11, Dia.=2.5′, DC=3; 25.5-cm L (120x); Danil Sidorko (Korenovsk, Russia)
2016 May  08.02 UT: m1=10.4, Dia.=&3′, DC=1; 20-cm L (80x); Alex Scholten (Eerbeek, Netherlands)
2016 May  07.90 UT: m1=9.9, Dia.=3.5′, DC=4; 20×80 B; Marek Biely (Brno, Czech Republic) [Maybe a slight hint of tail visible.]
2016 May  07.86 UT: m1=10.3, Dia.=6′.4, DC=6, Tail= 0.24 deg in PA: 100 deg.; 35-cm L (62x); Jakub Cerny (Senohraby, Czech Republic)
2016 May  06.93 UT: m1=10.1, Dia.=3.1′, DC=4; 20×80 B; Marek Biely (Brno, Czech Republic)
2016 May  06.85 UT: m1=10.4, Dia.=5′, DC=4/; 20×100 B; Roberto Haver (Monte Amiata 1465m, Siena, Italy)
2016 May  05.00 UT: m1=10.5, Dia.=&4′, DC=1; 20-cm L (42x); Alex Scholten (Eerbeek, Netherlands)
2016 May  04.49 UT: m1=10.0, Dia.=6′, DC=5; 40.0-cm L f/4.5 (36x); Seiichi Yoshida (Gunma, Japan)
2016 May  03.94 UT: m1=10.5, Dia.=6′, DC=3/; 13-cm L (26x); Alexsandr Morozov (Novozybkov, Russia)
2016 May  03.81 UT: m1=11.4 CCD, Dia.=0.4′, DC=4, Tail= 1.7′ in PA: 122 deg.; 20-cm L+CCD; Danil Sidorko (Korenovsk, Russia)
2016 May  02.84 UT: m1=10.6, Dia.=5′, DC=6; 30.5-cm L f/4.9 (93x); J. P. Navarro Pina (Mula, Murcia, Spain)
2016 May  02.78 UT: m1=10.7, Dia.=2.5′, DC=4; 25.5-cm L (120x); Danil Sidorko (Korenovsk, Russia)
2016 May  02.47 UT: m1=10.2, Dia.=6′, DC=6; 40.0-cm L f/4.5 (36x); Seiichi Yoshida (Gunma, Japan)
2016 May. 02.30 UT: m1=10.2, Dia.=2′, DC=3; 30×125 B; Carl Hergenrother (Tucson, AZ, USA)
2016 May  02.02 UT: m1=10.2, Dia.=&5, DC=1; 20-cm L (42x); Alex Scholten (Eerbeek, Netherlands)
2016 May  01.81 UT: m1=11.9 CCD, Dia.=0.3′, DC=2, Tail= 1.2′ in RA: 127; 20-cm L+CCD; Danil Sidorko (Korenovsk, Russia)
2016 May  01.77 UT: m1=10.6, Dia.=2.4′, DC=4; 25.5-cm L (70.6x); Danil Sidorko (Korenovsk, Russia)
2016 May  01.47 UT: m1=10.3, Dia.=5.0′, DC=7; 40.0-cm L f/4.5 (36x); Seiichi Yoshida (Gunma, Japan)
2016 May  01.09 UT: m1=10.1, Dia.=5′, DC=4; 20-cm SCT (77x); Juan José González (Cueto Rosales, alt. 1420 m, León, España)
2016 Apr. 30.994 UT: m1=10.2, Dia.=3′, DC=4; 20-cm SCT (50x); Carlos Labordena (Desert de les Palmes, Castellón, España)
2016 Apr. 30.99 UT: m1=10.3, Dia.=3′, DC=4; 22-cm L (120x); Marco Antonio Coelho Goiato (Araçatuba, Brazil)
2016 Apr. 29.86 UT: m1=10.1, Dia.=2.5′, DC=4; 20×80 B; Marek Biely (Brno, Czech Republic) [Difficult to see it but easy to find it thanks to the constellation of Ursa Major]
2016 Apr. 29.77 UT: m1=10.6, Dia.=2.3′, DC=4; 25.5-cm L (120x); Danil Sidorko (Korenovsk, Russia)
2016 Apr. 28.88 UT: m1=10.3, Dia.=&4, DC=1; 20-cm L (42x); Alex Scholten (Eerbeek, Netherlands)
2016 Apr. 28.88 UT: m1=12.0 CCD, Dia.=0.88′, DC=6/; 15-cm L+CCD; Sergey Shurpakov (Baran’, Belarus)
2016 Apr. 28.84 UT: m1=10.4, Dia.=7′, DC=3/; 13-cm L (26x); Alexsandr Morozov (Novozybkov, Russia)
2016 Apr. 28.77 UT: m1=10.5, Dia.=2′, DC=4; 25.5-cm L (120x); Danil Sidorko (Korenovsk, Russia)
2016 Apr. 26.86 UT: m1=10.5, Dia.=2.5′, DC=6; 30.5-cm L f/4.9 (94x); J. P. Navarro Pina (Mula, Murcia, Spain)
2016 Apr. 23.85 UT: m1=12.0 CCD, Dia.=0.71′, DC=7, Tail=2.9′ in PA:133; 15-cm L+CCD; Sergey Shurpakov (Baran’, Belarus)
2016 Apr. 16.89 UT: m1=12.3 CCD, Dia.=0.52′, DC=7/; 15-cm L+CCD; Sergey Shurpakov (Baran’, Belarus)
2016 Apr. 15.90 UT: m1=12.0 CCD, Dia.=0.84′, DC=7/; 15-cm L+CCD; Sergey Shurpakov (Baran’, Belarus)
2016 Apr. 15.70 UT: m1=10.0, Dia.=5.5′, DC=6; 40.0-cm L f/4.5 (36x); Seiichi Yoshida (Ibaraki, Japan)
2016 Apr. 14.48 UT: m1=9.6, Dia.=2′, DC=3; 30×125 B; Carl Hergenrother (Tucson, AZ, USA)
2016 Apr. 11.75 UT: m1=10.2, Dia.=1.9′, DC=3; 25.5-cm L (46.2x); Danil Sidorko (Korenovsk, Russia)
2016 Apr. 11.10 UT: m1=9.6, Dia.=4, DC=6; 20-cm L (42x); Alex Scholten (Eerbeek, Netherlands)
2016 Apr. 09.51 UT: m1=9.9, Dia.=5.5′, DC=6; 40.0-cm L f/4.5 (36x); Seiichi Yoshida (Ibaraki, Japan)
2016 Apr. 09.11 UT: m1=9.7, Dia.=4, DC=7; 20-cm L (42x); Alex Scholten (Eerbeek, Netherlands)
2016 Apr. 08.64 UT: m1=9.9, Dia.=4.5′, DC=6; 40.0-cm L f/4.5 (36x); Seiichi Yoshida (Ibaraki, Japan)
2016 Apr. 07.99 UT: m1=9.6, Dia.=4′, DC=5; 13-cm L (26x); Alexsandr Morozov (Novozybkov, Russia)
2016 Apr. 07.87 UT: m1=9.6, Dia.=2′, DC=3, Tail= 5′; 20-cm SCT (50x); Carlos Labordena (Castellón, España)
2016 Apr. 07.77 UT: m1=10.1, Dia.=2′, DC=3/; 25.5-cm L (46.2x); Danil Sidorko (Korenovsk, Russia)
2016 Apr. 07.11 UT: m1=9.5, Dia.=5; DC=7; 20-cm L (42x); Alex Scholten (Eerbeek, Netherlands)
2016 Abr. 06.90 UT: m1=9.5, Dia.=5′, DC=4/; 20-cm SCT (77x); Juan José González ( Alto de la Camperona, alt. 1603 m, León, España ).
2016 Apr. 06.863 UT: m1=9.5, Dia.=3′, DC=3; 11.4-cm L f/8 (45x); Neil Norman (Ipswich, England)
2016 Apr. 05.91 UT: m1=9.5, Dia.=5, DC=6; 20-cm L (42x); Alex Scholten (Eerbeek, Netherlands)
2016 Apr. 05.91 UT: m1=9.5, Dia.=3′, DC=3; 11.4-cm L f/8 (45x); Neil Norman (Ipswich, England)
2016 Apr. 04.88 UT: m1=10.0, Dia.=3.5′, DC=3: 25×100 B; Martin Lehky ((Hradec Kralove, Czech Republic)
2016 Apr. 04.02 UT: m1=10.1, Dia.=3′, DC=3: 25×100 B; Martin Lehky ((Hradec Kralove, Czech Republic)
2016 Apr. 03.15 UT: m1=9.4, Dia.=2′, DC=4; 30×125 B; Carl Hergenrother (Tucson, AZ, USA)
2016 Apr. 03.02 UT: m1=10.1, Dia.=3′, DC=3: 25×100 B; Martin Lehky ((Hradec Kralove, Czech Republic)
2016 Apr. 02.01 UT: m1=9.8, Dia.=3.5′, DC=3: 25×100 B; Martin Lehky ((Hradec Kralove, Czech Republic)
2016 Apr. 01.86 UT: m1=9.6, Dia.=2.3′, DC=3; 20×80 B; Marek Biely (Brno, Czech Republic) [Brighter than expected]
2016 Apr. 01.75 UT: m1=10.1, Dia.=2.1′, DC=3; 8-cm L (38.5x); Danil Sidorko (Korenovsk, Russia)
2016 Mar. 30.82 UT: m1=9.7, Dia.=2.5′, DC=4; 60.3-cm L (76x); Sandor Szabo (Sopron, Hungary)
2016 Mar. 29.85 UT: m1=9.3, Dia.=~5, DC=4/; 20-cm L (42x); Alex Scholten (Eerbeek, Netherlands)
2016 Mar. 27.90 UT: m1=9.8, Dia= 5′, DC=5; 30-cm L(107X); Valentín Díaz (Aspe, Alicante, España)
2016 Mar. 27.79 UT: m1=9.7, Dia.=2′, DC=3/; 25.5-cm L (46.2x); Danil Sidorko (Korenovsk, Russia)
2016 Mar. 22.48 UT: m1=9.1, Dia.=2.5′, DC=5; 40.0-cm L f/4.5 (144x); Seiichi Yoshida (Ibaraki, Japan)
2016 Mar. 20.81 UT: m1=9.8 DSLR, Dia.=3′; 1100d+300mm lens; Giuseppe Pappa (Sicily, Italy)
2016 Mar. 16.91 UT: m1=9.4, Dia.=~3′, DC=6/; 20-cm L (42x); Alex Scholten (Eerbeek, Netherlands)(moonlight)
2016 Mar. 14.16 UT: m1=9.3, Dia.=4′, DC=3: 25×100 B; Martin Lehky ((Hradec Kralove, Czech Republic)
2016 Mar. 13.74 UT: m1=9.5, Dia.=2.8′, DC=3; 25.5-cm L (70.6x); Danil Sidorko (Korenovsk, Russia)
2016 Mar. 12.96 UT: m1=9.3, Dia.=~6, DC=5; 20-cm L (42x); Alex Scholten (Eerbeek, Netherlands)
2016 Mar. 11.97 UT: m1=9.4, Dia.=4′, DC=6; 25-cm L (73x); Valentín Díaz (La Romaneta, Alicante, España)
2016 Mar. 11.95 UT: m1=9.2, Dia.=6, DC=5; 20-cm L (42x); Alex Scholten (Eerbeek, Netherlands)
2016 Mar. 11.88 UT: m1=9.2, Dia.=3′, DC=5, no cola; 20-cm SCT (50x); Carlos Labordena (Castellón, España)
2016 Mar. 11.85 UT: m1=9.3, Dia.=5′, DC=4/; 20-cm SCT (77x); Juan José González (Pandorado, alt. 1190 m, León, España)
2016 Mar. 10.85 UT: m1=9.1, Dia.=3′, DC=4; 11.4-cm L f/8 (45x); Neil Norman (Ipswich, England)
2016 Mar. 10.13 UT: m1=9.2, Dia.=4′, DC=5; 30×125 B; Carl Hergenrother (Tucson, AZ, USA)
2016 Mar. 09.89 UT: m1=9.6, Dia.=2.5′, DC=6; 30.5-cm L f/4.9 (47x); J. P. Navarro Pina (El Ardal Mula, Murcia, Spain)
2016 Mar. 09.30 UT: m1=9.1, Dia.=4′, DC=5; 30×125 B; Carl Hergenrother (Tucson, AZ, USA)
2016 Mar. 08.74 UT: m1=9.3, Dia.=3′, DC=4; 25.5-cm L (46.2x); Danil Sidorko (Korenovsk, Russia)
2016 Mar. 07.86 UT: m1=9.4, Dia.=4.5′, DC=6; 20-cm L (42x); Alex Scholten (Eerbeek, Netherlands)
2016 Mar. 07.854 UT: m1=9.0,Dia=3′, DC=3; 11.4-cm L f/8 (45x); Neil Norman (Ipswich, England)
2016 Mar. 07.73 UT: m1=9.3, Dia.=2.7′, DC=3; 25.5-cm L (46.2x); Danil Sidorko (Korenovsk, Russia)
2016 Mar. 05.94 UT: m1=9.2, Dia.=3.5′, DC=5; 20-cm SCT (77x; Juan José González (El Chano – Riofrío, alt. 990 m, León, España)
2016 Mar. 05.94 UT: m1=9.2, Dia.=4′, DC=5/; 20-cm L (42x); Alex Scholten (Eerbeek, Netherlands)
2016 Mar. 03.85 UT: m1=9.1, Dia.=3′, DC=5; 20-cm SCT (50x); Carlos Labordena (Castellón, España)
2016 Mar. 03.83 UT: m1=9.1, Dia.=3.5′, DC=5/; 20-cm L (42x); Alex Scholten (Eerbeek, Netherlands)
2016 Mar. 03.83 UT: m1=9.3, Dia.=3′, DC=1; 30.5-cm L f/4,9 (97x); J. P. Navarro Pina (El Ardal Mula, Murcia, Spain)
2016 Mar. 03.78 UT: m1=9.4, Dia.=3′, DC=4; 15.2-cm R f/5 (38x); Maik Meyer (Limburg, Germany)
2016 Mar. 01.01 UT: m1=9.2, Dia.=3.5′, DC=5; 20-cm SCT (77x); Juan José González (Pandorado, alt. 1190 m, León, España)
2016 Feb. 29.93 UT: m1=9.4, Dia.=4′, DC=6; 20-cm L (42x); Alex Scholten (Eerbeek, Netherlands)
2016 Feb. 27.82 UT: m1=9.4, Dia.=4, DC=5; 20-cm L (42x); Alex Scholten (Eerbeek, Netherlands)
2016 Feb. 27.76 UT: m1=9.3, Dia.=3′, DC=4; 15.2-cm R f/5 (38x); Maik Meyer (Limburg, Germany)
2016 Feb. 12.93 UT: m1=8.5, Dia.=8′, DC=2; 15×80 B; Alex Scholten (Eerbeek, Netherlands)
2016 Feb. 12.80 UT: m1=9.2, Dia.=2.5′, DC=4/; 15.2-cm R f/5 (38x); Maik Meyer (Limburg, Germany)
2016 Feb. 09.97 UT: m1=8.6, Dia.=6′, DC=5; 15×80 B; Alex Scholten (Eerbeek, Netherlands)
2016 Feb. 09.70 UT: m1=9.4, Dia.=2.2′, DC=3/; 25.5-cm L (46.2x); Danil Sidorko (Korenovsk, Russia)
2016 Feb. 08.77 UT: m1=9.1, Dia.=4′, DC=4; 15.2-cm R f/5 (38x); Maik Meyer (Limburg, Germany)
2016 Feb. 08.72 UT: m1=9.3, Dia.=2.1′, DC=4; 25.5-cm L (46.2x); Danil Sidorko (Korenovsk, Russia)
2016 Feb. 08.21 UT: m1=9.8, Dia.=4′, DC=4; 20-cm SCT (50x); Carlos Labordena (Castellón, España)
2016 Feb. 07.08 UT: m1=8.9, Dia.=4.5′, DC=4; 25×100 B; Martin Lehky (Czech Republic)
2016 Feb. 06.75 UT: m1=9.1, Dia.=3′, DC=5; 20×80 B; Maik Meyer (Limburg, Germany)
2016 Feb. 04.79 UT: m1=9.8, Dia.=3′, DC=3; 15-cm T f/5 (30x); Carlos Labordena (Castellón, España)
2016 Feb. 03.84 UT: m1=9.2, Dia.=4′, DC=5/; 25×100 B; Juan José González (Alto de la Garandilla – Escuredo, alt. 1150 m, León, España)
2016 Feb. 01.91UT: m1=9.5 DSLR, Dia.=2′; 1100d+300mm lens; Giuseppe Pappa (Sicily, Italy)
2016 Jan. 30.78 UT: m1=9.7, Dia.=3′, DC=4; 15-cm T f/5 (30x); Carlos Labordena (Castellón, España)
2016 Jan. 29.91 UT: m1=9.0, Dia.=4′, DC=4; 25×100 B; Martin Lehky (Czech Republic)
2016 Jan. 28.80 UT: m1=9.0, Dia.=~6′, DC=4; 15×80 B; Alex Scholten (Eerbeek, Netherlands)
2016 Jan. 28.79 UT: m1=9.3, Dia.=~3′, DC=8; 20-cm L (42x); Alex Scholten (Eerbeek, Netherlands)
2016 Jan. 25.75 UT: m1=9.1, Dia.=2.5′, DC=4; 15.2-cm R f/5 (38x); Maik Meyer (Limburg, Germany)
2016 Jan. 23.20 UT: m1=9.6, Dia.=2.9′, DC=3/, 20×80 B; Marek Biely (Brno, Czech Republic) [Better visible in the morning sky now.]
2016 Jan. 18.44 UT: m1=9.1, Dia.=4′, DC=5; 30×125 B; Carl Hergenrother (Tucson, AZ, USA)
2016 Jan. 18.23 UT: m1=9.0, Dia.=7′, DC=7; 15×80 B; Alex Scholten (Bussloo, Netherlands)
2016 Jan. 18.23 UT: m1=9.1, Dia.=5′, DC=3; 20-cm L (42x); Alex Scholten (Eerbeek, Netherlands)
2016 Jan. 17.09 UT: m1=9.4, Dia.=4′, DC=3; 11×80 B; Carlos Labordena (Castellón, España)
2016 Jan. 17.08 UT: m1=9.6, Dia.=4′, DC=4; 15-cm T f/5 (30x); Carlos Labordena (Castellón, España)
2016 Jan. 15.94 UT: m1=8.9, Dia.=~9′, DC=2; 15×80 B; Alex Scholten (Bussloo, Netherlands)
2016 Jan. 14.76 UT: m1=9.5, Dia.=3.0′, DC=3; 20×80 B; Marek Biely (Brno, Czech Republic) [It appears a bit fainter now]
2016 Jan. 09.81 UT: m1=10.0, Dia.=2.5′, DC=7; 40.0-cm L f/4.5 (75x); Seiichi Yoshida (Ibaraki, Japan)
2016 Jan. 09.78 UT: m1=9.4, Dia.=4′, DC=3; 15.0-cm SCT (30x); Carlos Labordena (Castellón, España)
2016 Jan. 08.95 UT: m1=8.9, Dia.=5′, DC=5; 25×100 B; Juan José González (Sierra de Abredo – Coaña, alt. 450 m, Asturias, España) [Cometa próximo a estrella de mag. 6.9 (Tycho-2). Altura sobre el horizonte: 16º]
2016 Jan. 08.76 UT: m1=9.1, Dia.=~6′, DC=6; 15×80 B; Alex Scholten (Bussloo, Netherlands)(comet close to star)
2016 Jan. 08.73 UT: m1=9.0, Dia.=3′, DC=5; 15.2-cm R f/5 (38x); Maik Mayer (Limburg, Germany)
2016 Jan. 08.23 UT: m1=9.1, Dia.=6′, DC=6; 20-cm L (42x); Alex Scholten (Eerbeek, Netherlands)
2016 Jan. 08.23 UT: m1=9.1, Dia.=~6′, DC=7; 15×80 B; Alex Scholten (Eerbeek, Netherlands)
2016 Jan. 05.78 UT: m1=9.6, Dia.=3′, DC=3; 11×80 B; Carlos Labordena (Castellón, España)
2016 Jan. 05.78 UT: m1=9.7, Dia.=3′, DC=3; 20.0-cm SCT (50x); Carlos Labordena (Castellón, España)
2016 Jan. 04.833 UT: m1=9.4, Dia.=3′, DC=3; 11.4-cm L f/8 (45x); Neil Norman (Ipswich, England)
2016 Jan. 03.72 UT: m1=9.5, Dia.=2′, DC=3/; 25.5-cm L (46.2x); Danil Sidorko (Korenovsk, Russia)
2016 Jan. 02.80 UT: m1=9.5, Dia.=3′, DC=3; 30,5-cm L f/4.9 (47x); J. P. Navarro Pina (El Ardal Mula, Murcia, Spain)
2016 Jan. 02.11 UT: m1=9.0, Dia.=3, DC=3; 30×125 B; Carl Hergenrother (Tucson, AZ, USA)

C/2014 OE4 (PANSTARRS)
2016 Aug. 31.81 UT: m1=16.5, Dia.=0.1′, DC=7; 60-cm L (659x); Sandor Szabo (Hungary) [Very small, checked in DSS]
2016 July 27.93 UT: m1=16.0 CCD, Dia.=0.33′, DC=8/; 0.15-m L  f/3.2 +CCD; Sergey Shurpakov (C36, Baran’, Belarus)
2016 May  05.87 UT: m1=17.3 CCD, Dia.=0.13′, DC=7/; 25-cm L+CCD; Sergey Shurpakov (Baran’, Belarus)
2016 Apr. 30.90 UT: m1=17.2 CCD, Dia.=0.18′, DC=8; 0.25-m L+CCD; Sergey Shurpakov (Baran’, Belarus)
2016 Apr. 29.92 UT: m1=17.4 CCD, Dia.=0.16′, DC=8/; 0.25-m L+CCD; Sergey Shurpakov (Baran’, Belarus)

C/2014 B1 (Schwartz)
2016 Dec. 30.06 UT: m1=15.7, Dia.=0.25’, DC=3; 60-cm L (407x); Sandor Szabo (Hungary)

C/2014 A4 (SONEAR)
2016 Sep. 02.87 UT: m1=16.7 CCD, Dia.=0.55′, DC=8; 0.25-m L f/4.7 + CCD; Sergey Shurpakov (C36, Baran’, Belarus)
2016 Aug. 31.85 UT: m1=16.6 CCD, Dia.=0.23′, DC=8; 0.25-m L f/4.7 + CCD; Sergey Shurpakov (C36, Baran’, Belarus)
2016 Aug. 21.88 UT: m1=15.5 CCD, Dia.=0.23′, DC=8/; 0.25-m L f/4.7 + CCD; Sergey Shurpakov (C36, Baran’, Belarus)
2016 Aug. 12.88 UT: m1=16.4 CCD, Dia.=0.19′, DC=8, Tail=1,3′ in PA=128 deg.; 25-cm L f/4.7 + CCD; Sergey Shurpakov (C36, Baran’, Belarus)
2016 Aug. 07.89 UT: m1=16.6 CCD, Dia.=0.13′, DC=8; 0.25-m L f/4.7 + CCD; Sergey Shurpakov (C36, Baran’, Belarus)
2016 Aug. 03.93 UT: m1=16.5 CCD, Dia.=0.25′, DC=9, Tail=0.68′ in PA: 149 deg.; 0.25-m L  f/4.7 + CCD; Sergey Shurpakov (Baran’,Belarus)
2016 July 30.92 UT: m1=16.4 CCD, Dia.=0.24′, DC=8/; 0.25-m L  f/4.7 + CCD; Sergey Shurpakov (C36, Baran’, Belarus)

C/2013 X1 (PANSTARRS)
2016 Sep. 28.38 UT: m1=13.3, Dia.=0.7’, DC=2; 25-cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma difficult to see, no tail, very diffuse. Zodiacal light interference. Sky slightly hazy from smoke]
2016 Aug. 08.51 UT: m1=10.6, Dia.=4.8’, DC=3; 25cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Moonlight (Altitude= 0.5°, 28.6% Illumination). Outer coma semi-transparent and brightening slightly to a weakly condensed centre. Tail difficult to see. Coma enhances well in Swan Band filter]
2016 Ago. 05.86 UT: m1=9.2, Dia.=5′, DC=3, no cola; 20-cm SCT (50x); Carlos Labordena (Castellón, España)
2016 Ago. 01.87 UT: m1=8.2, Dia.=8′, DC=3; 20-cm SCT (77x); Juan José González (Cueto Rosales, alt. 1420 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 31.98 UT: m1=8.8, Dia.=6′, DC=2; 22-cm L (60x); Marco Antonio Coelho Goiato (Araçatuba, Brazil)
2016 July 31.40 UT: m1=9.8, Dia.=4.2’, DC=4/; 25-cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Faint tail traced to 55’ in length in P.A. 109° approximately. Outer coma diffuse and semi-transparent brightens to a moderately condensed centre. Coma enhances well in Swan Band filter]
2016 July 29.87 UT: m1=8.9, Dia.=6′, DC=3, no cola; 20-cm SCT (50x); Carlos Labordena (Castellón, España)
2016 July 29.46 UT: m1=10.0, Dia.=3.8’, DC=4; 25-cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Tail visible 41.2’in length in P.A. 107°; Coma centre diffuse, opaque, fading to semi-transparent outer coma]
2016 July 28.41 UT: m1=10.1:, Dia.=3.9’, DC=3; 25-cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Magnitude uncertain due to background stars in coma; tail visible 49.2’in length in P.A. 105°. Enhances well in Swan Band filter]
2016 July 28.04 UT: m1=8.6, Dia.=7′, DC=2; 20×100 B; Marco Antonio Coelho Goiato (Araçatuba, Brazil)
2016 July 27.89 UT: m1=8.1, Dia.=8′, DC=3; 20-cm SCT (77x); Juan José González (Alto del Castro, alt. 1720 m, León, España) [Crepúsculo astronómico. Muy baja altura sobre el horizonte : 5º. Estrellas de comparación a la misma altura que el cometa. Cielo muy claro de montaña]
2016 July 27.21 UT: m1=8.5, Dia.=8′, DC=2/; 20×100 B; Marco Antonio Coelho Goiato (Araçatuba, Brazil)
2016 July 25.40 UT: m1=9.9, Dia.=5.1’, DC=4/; 25-cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Outer coma semi-opaque and increasing in brightness to a more opaque and moderately condensed centre. Tail visible and traced to 50’in length in P.A 107°]
2016 July 09.98 UT: m1=7.8, Dia.=3.5′, DC=3; 25-cm L F/4.5 (66x); A. Gonzalo Vargas B. (Cochabamba, Bolivia) [Se aprecia un ligero alargamiento o deformación de la coma en un ángulo AP que estimo entre 95 a 97 grados, seeing escala Antoniadi:2 ].
2016 July 05.03 UT: m1=7.3, Dia.=8′, DC=3; 10-cm R f/5 (25x); Willian Souza (Sao Paulo, Brazil)
2016 July 04.17 UT: m1=7.2, Dia.=12′, DC=3; 7×50 B; Marco Antonio Coelho Goiato (Araçatuba, Brazil)
2016 July 04.05 UT: m1=7.2, Dia.=10′, DC=3; 10-cm R f/5 (25x); Willian Souza (Sao Paulo, Brazil)
2016 July 03.47 UT: m1=7.1:, Dia.=10.6’, DC=5/; 7×50 B; Chris Wyatt (Walcha, NSW, Australia) [Magnitude uncertain; Coma in busy star field, difficult to extract reliable m1 value. Enhances well in Swan Band filter. Tail difficult to trace due to galactic plane]
2016 July 03.18 UT: m1=7.0, Dia.=10′, DC=3; 15×70 B; Willian Souza (Sao Paulo, Brazil)
2016 July 02.40 UT: m1=7.5, Dia.=17’, DC=5; 7×50 B; Chris Wyatt (Walcha, NSW, Australia) [Semi-transparent outer coma gradually brightening to an almost stellar and opaque inner coma. Faint tail traced out to 22’in length in P.A. 072° where it is lost into the galactic plane. Coma enhances strongly in Swan Band filter]
2016 July 01.17 UT: m1=6.9, Dia.=15′, DC=3; 7×50 B; Marco Antonio Coelho Goiato (Araçatuba, Brazil)
2016 July 01.01 UT: m1=6.8, Dia.=9′, DC=4; 25-cm L F/4.5 (66x); A. Gonzalo Vargas B. (Cochabamba, Bolivia) [Parte de la zona central de la coma concentrada sin llegar a apariencia estelar, alargamiento o deformación de la coma en 5´de arco en un ángulo AP que estimo entre 35 a 45 grados]
2016 June 29.47 UT: m1=7.2, Dia.=6.8’, DC=4; 7×50 B; Chris Wyatt (Walcha, NSW, Australia) [Coma framed by bright stars to the N, E, S and NW. Faint tail visible 14’ in length approximately in P.A. 062°. Coma shows faint outer coma and brightening to opaque and moderately condensed centre]
2016 June 29.14 UT: m1=6.5, Dia.=16′, DC=3/; 7×50 B; Marco Antonio Coelho Goiato (Araçatuba, Brazil)
2016 June 28.51 UT: m1=7.1, Dia.=16’, DC=4/; 7×50 B; Chris Wyatt (Walcha, NSW, Australia) [Coma enhances strongly in Swan Band filter. Very tenuous but short tail visible 13’in length approximately in P.A. 060° and about 10’ in width where it leaves the coma. Outer coma diffuse and brightening to a moderately condensed centre. Pale aqua-blue in colour]
2016 June 28.02 UT: m1=6.4, Dia.=18′, DC=4; 7×50 B; Marco Antonio Coelho Goiato (Araçatuba, Brazil)
2016 June 27.12 UT: m1=6.4, Dia.=18′, DC=4; 7×50 B; Marco Antonio Coelho Goiato (Araçatuba, Brazil)
2016 June 25.41 UT: m1=6.6, Dia.=15.2’, DC=4; 7×50 B; Chris Wyatt (Walcha, NSW, Australia) [Coma diffuse with semi-opaque outer coma and brightening to a moderately condensed centre. Coma appears slightly elongated to ENE approximately. No tail visible in the 7×50 B’s but using 11×70 B’s there appears to be a faint tail approximately 12’ in length in P.A. 068°. Coma shows a 9th magnitude star within the coma 3.6’away in P.A. 270° from coma centre. Enhances strongly in Swan Band filter]
2016 June 24.97 UT: m1=6.2, Dia.=18′, DC=4; 7×50 B; Marco Antonio Coelho Goiato (Araçatuba, Brazil)
2016 June 15.14 UT: m1=6.5, Dia.=15′, DC=4; 10×50 B; Willian Souza (Marilia, Brazil)
2016 June 14.17 UT: m1=6.5, Dia.=15′, DC=3; 15×70 B; Willian Souza (Sao Paulo, Brazil)
2016 June 14.15 UT: m1=6.4, Dia.=15′, DC=4; 7×50 B; Marco Antonio Coelho Goiato (Araçatuba, Brazil) [Moonlight]
2016 June 12.45 UT: m1=6.3, Dia.=10′, DC=5; 10×50 B; Carl Hergenrother (Tucson, AZ, USA)
2016 June 09.20 UT: m1=6.4, Dia.=15′, DC=3/; 10-cm f/5 refractor (25x); Willian Souza (Sao Paulo, Brazil)
2016 June 09.16 UT: m1=6.5, Dia.=15′, DC=3; 15×70 B; Willian Souza (Sao Paulo, Brazil)
2016 June 08.49 UT: m1=6.7, Dia.=20’, DC=4; 7×50 B; Chris Wyatt (Walcha, NSW, Australia) [Enhances strongly in Swan band filter, no tail visible. Centre is moderately condensed and appears green/blue in colour, slightly elongated to NNW]
2016 June 08.21 UT: m1=6.4, Dia.=15′, DC=4/; 7×50 B; Marco Antonio Coelho Goiato (Araçatuba, Brazil) [Tail= 15 arcmin in PA: 260 degrees by using 20 x 100 B]
2016 June 07.05 UT: m1=[6.4 NEGATIVE, Dia.=3.0′; 20×80 B; Marek Biely (Brno, Czech Republic) [No chance in these altitudes. Fainter than 6.4 mag. Slight interference of astronomical twilight]
2016 June 05.36 UT: m1=6.5, Dia.=10.5′, DC=5; 25-cm L F/4.5 (66x); A. Gonzalo Vargas B. (Cochabamba, Bolivia) [Parte de la zona central de la coma muy concentrada sin llegar a apariencia estelar, alargamiento o deformación de la coma en un ángulo AP que estimo entre 265 y 270 grados].
2016 June 05.23 UT: m1=6.4, Dia.=10′, DC=4; 7×50 B; Marco Antonio Coelho Goiato (Araçatuba, Brazil) [Clouds]
2016 June 05.45 UT: m1=7.0, Dia.=9′, DC=4; 10×50 B; Carl Hergenrother (Tucson, AZ, USA)
2016 June 05.12 UT: m1=6.7, Dia.=8′, DC=5, no cola; 8-cm B (11x); Carlos Labordena (Castellón, España)
2016 June 03.75 UT: m1=7.9, Dia.=7′, DC=5; 40.0-cm L f/4.5 (36x); Seiichi Yoshida (Gunma, Japan)
2016 June 02.45 UT: m1=6.8, Dia.=8′, DC=4; 10×50 B; Carl Hergenrother (Tucson, AZ, USA)
2016 June 01.11 UT: m1=6.6, Dia.=10′, DC=5; 10×50 B; Juan José González (Alto del Castro – Aralla, alt. 1720 m, León, España) [Altura sobre el horizonte: 12º. Comienzo del crepúsculo astronómico. Cielo muy claro de montaña]
2016 May  29.80 UT: m1=6.8, Dia.=10′, DC=5; 8-cm B (20x); Paul Camilleri (Warners Bay, Australia)
2016 May  28.77 UT: m1=6.8, Dia.=10′, DC=4; 8-cm B (20x); Paul Camilleri (Warners Bay, Australia)
2016 May  19.79 UT: m1=7.0, Dia.=10′, DC=5; 8-cm B (20x); Paul Camilleri (Warners Bay, Australia)
2016 May  18.80 UT: m1=7.1, Dia.=10′, DC=6; 8-cm B (20x); Paul Camilleri (Warners Bay, Australia)
2016 May  15.78 UT: m1=7.0, Dia.=8′, DC=6; 8-cm B (20x); Paul Camilleri (Warners Bay, Australia)
2016 May  15.16 UT: m1=7.6, Dia.=6′, DC=4, no cola; 15-cm T (45x); Carlos Labordena (Castellón, España)
2016 Mayo 15.14 UT: m1=6.9, Dia.=10′, DC=s5/; 10×50 B; Juan José González (Cueto Rosales, alt. 1420 m, León, España) [En 20 cm SCT(77x): m1=7.1, Dia.=7′, DC=5, cola de polvo: 0.2º en AP: 35º. En binoculares 10×50: Baja altura: 9º. Comienzo del crepúsculo astronómico. Estrellas de comparación a la misma altura que el cometa. Cielo claro de montaña]
2016 May  14.77 UT: m1=7.0, Dia.=8′, DC=6; 8-cm B (20x); Paul Camilleri (Warners Bay, Australia)
2016 May  14.35 UT: m1=7.1, Dia.=7´, DC=5; 25-cm L F/4.5 (66x); A. Gonzalo Vargas B. (Cochabamba Bolivia) [Parte de la zona central de la coma muy concentrada sin llegar a apariencia estelar, posible formación de cola en el visual a un ángulo que estimo en casi 23 grados]
2016 May  14.30 UT: m1=7.3, Dia.=7′, DC=5; 20×100 B; Marco Antonio Coelho Goiato (Araçatuba, Brazil)
2016 May  14.31 UT: m1=7.3, Dia.=8′, DC=4; 7×50 B; Marco Antonio Coelho Goiato (Araçatuba, Brazil)
2016 May  13.75 UT: m1=6.9, Dia.=8′, DC=5; 8-cm B (20x); Paul Camilleri (Warners Bay, Australia)
2016 May  12.77 UT: m1=6.9, Dia.=8′, DC=5/; 8-cm B (20x); Paul Camilleri (Warners Bay, Australia)
2016 May  11.76 UT: m1=7.0, Dia.=8′, DC=4; 8-cm B (20x); Paul Camilleri (Warners Bay, Australia)
2016 May  10.79 UT: m1=7.0, Dia.=8.0′, DC=5; 8-cm B (20x); Paul Camilleri (Warners Bay, Australia) [Coma was nicely condense, with 16″ F/4 Dob 76x the coma has a brighter inner disks the fades out into the outer coma]
2016 May  09.79 UT: m1=7.5:, Dia.=7′, DC=4; 8-cm B (20x); Paul Camilleri (Warners Bay, Australia) [Rushed Observation due to interference from approaching clouds, m1 estimate somewhat uncertain]
2016 May  09.45 UT: m1=7.0, Dia.=8′, DC=5; 10×50 B; Carl Hergenrother (Tucson, AZ, USA)
2016 May  08.17 UT: m1=7.2, Dia.=5.0′, DC=5; 10×56 B; Sandor Szabo (Hakos, Namibia)
2016 May  06.78 UT: m1=7.5, Dia.=8′, DC=5; 8-cm B (20x); Paul Camilleri (Warners Bay, Australia) [In 16″ F/4 Dob 76x; Coma has a nice condensation, brighter disk with in the coma and a short tail about 4′. At higher power 165x the central condensation is bright disk with in the brighter inner coma]
2016 May  06.46 UT: m1=7.2, Dia.=6′, DC=5; 10×50 B; Carl Hergenrother (Tucson, AZ, USA)
2016 May  05.79 UT: m1=7.6, Dia.=7′, DC=5; 8-cm B (20x); Paul Camilleri (Warners Bay, Australia)
2016 May  05.74 UT: m1=7.7, Dia.=9’, DC=5/; 7×50 B; Chris Wyatt (Walcha, NSW, Australia) [Coma round, opaque and faint outer coma, bright diffuse inner coma with stellar central condensation in periods of good seeing. Enhances with Swan Band filter. Zodiacal light interference. Altitude = 21.1°. No tail]
2016 May  05.36 UT: m1=7.4, Dia= 6.5´, DC=4; 8 cm R (23x); Gonzalo Vargas B. (Cochabamba Bolivia) [area rural cielo con magnitude límite visual de 6]
2016 May  04.80 UT: m1=7.6, Dia.=6′, DC=4; 8-cm R (16x); Paul Camilleri (Warners Bay, Australia)
2016 May  04.76 UT: m1=7.9, Dia.=5′, DC=5; 40.0-cm L f/4.5 (36x); Seiichi Yoshida (Gunma, Japan)
2016 May  04.76 UT: m1=7.6, Dia.=8.7’, DC=6; 7×50 B; Chris Wyatt (Walcha, NSW, Australia) [Coma small with faint stellar central condensation. Opaque outer coma fading to edges, enhances in Swan Band filter. No tail. Zodiacal light interference. Altitude = 25.3°]
2016 May  03.79 UT: m1=7.5, Dia.=5′, DC=4; 8-cm B (20x); Paul Camilleri (Warners Bay, Australia) [Crescent Moon (13% illuminated) about 10 degrees away from the comet]
2016 May  02.80 UT: m1=7.4, Dia.=4′, DC=5; 8-cm B (20x); Paul Camilleri (Warners Bay, Australia) [Observation was difficult due to the Moon (21% illuminated) being only 4 degrees from the Comet]
2016 May  02.14 UT: m1=7.6, Dia.=7′, DC=6; 10×56 B; Sandor Szabo (Hakos, Namibia)
2016 May  01.79 UT: m1=7.5, Dia.=4.0′, DC=5; 8-cm B (20x); Paul Camilleri (Warners Bay, Australia) [Comet is moderately condense, round coma with a hint of a short tail, thou with the last quarter Moon light,(32% Illuminated) it was difficult to be sure]
2016 May  01.16 UT: m1=7.3, Dia.=5′, DC=4; 20-cm SCT (77x); Juan José González (Cueto Rosales, alt. 1420 m, León, España) [Alguna interferencia lunar. 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 May  01.14 UT: m1=7.8, Dia.=3′, DC=5; 20-cm SCT (50x); Carlos Labordena (Desert de les Palmes, Castellón, España)
2016 May  01.01 UT: m1=7.8, Dia.=3′, DC=5, no cola; 20-cm SCT (50x); Carlos Labordena (Castellón, España)
2016 Apr. 28.80 UT: m1=7.4, Dia.=3.0′, DC=5; 20.3-cm L (62x); Paul Camilleri (Warners Bay, Australia) [Comet was very close to a magnitude 7 star which made observation difficult]
2016 Apr. 27.78 UT: m1=7.4, Dia.=3.0′, DC=5; 20.3-cm L (62x); Paul Camilleri (Warners Bay, Australia) [Coma was well condensed with a brighter disk central to the coma, swan filter makes the central condensation slightly brighter]
2016 Apr. 26.77 UT: m1=7.4, Dia.=3.0′, DC=6; 20.3-cm L (61.3x); Paul Camilleri (Warners Bay, Australia) [Comet is more condense this morning, it has a moderately bright condensation with a outer coma. Swan filter helps with the contrast of the outer coma but does not really improve the central condensation of the coma. Overall the appearance of the the comet was much improved since last observation mainly due to the decreasing Moon light]
2016 Apr. 24.79 UT: m1=7.3, Dia.=3′, DC=5; 20.3-cm L (61.3x); Paul Camilleri (Warners Bay, Australia) [Comet was easy to observe even with the bright moon light coma was condense, swan band filter helped with  contrast on coma edge but no real improvement overall]
2016 Abr. 24.16 UT: m1=8.2, Dia.=3′, DC=3, no cola; 15-cm T (30x); Carlos Labordena (Castellón, España)
2016 Apr. 20.34 UT: m1=7.6, Dia.=4′, DC=4/; 20×100 B; Marco Antonio Coelho Goiato (Araçatuba, Brazil)
2016 Apr. 19.79 UT: m1=7.5, Dia.=4.0′, DC=4; 8-cm B (20x); Paul Camilleri (Warners Bay, Australia)
2016 Apr. 18.826 UT: m1=8.1. Dia.=1’, DC=2; 10×50 B; Rob Kaufman (Bungle Bungles Wilderness Lodge, Purnululu National Park, Western Australia, Australia) [Small, faint diffuse spot, comet altitude 10-deg.]
2016 Apr. 18.78 UT: m1=7.4, Dia.=3′, DC=4; 8-cm B (20x); Paul Camilleri (Warners Bay, Australia)
2016 Apr. 17.35 UT: m1=7.7, Dia.=4′, DC=4/; 20 x 100 B; Marco Antonio Coelho Goiato (Araçatuba, Brazil) [Nautical twilight]
2016 Apr. 15.79 UT: m1=7.2, Dia.=3.0′, DC=4; 8-cm B (20x); Paul Camilleri (Warners Bay, Australia)
2016 Apr. 14.79 UT: m1=7.2, Dia.=3.0′, DC=4; 8-cm B (20x); Paul Camilleri (Warners Bay, Australia)
2016 Apr. 12.78 UT: m1=7.5:, Dia.=3.0′, DC=4; 8-cm B (20x); Paul Camilleri (Warners Bay, Australia)
2016 Feb. 08.76 UT: m1=8.7, Dia.=6.5′, DC=4; 15.2-cm R f/5 (38x); Maik Meyer (Limburg, Germany)
2016 Feb. 06.76 UT: m1=8.6, Dia.=6′, DC=3/; 20×80 B; Maik Meyer (Limburg, Germany)
2016 Feb. 04.81 UT: m1=8.4, Dia.=7′, DC=5; 15-cm T f/5 (30x); Carlos Labordena (Castellón, España)
2016 Feb. 04.11 UT: m1=8.6, Dia.=3′, DC=3; 30×125 B; Carl Hergenrother (Tucson, AZ, USA)
2016 Feb. 03.81 UT: m1=8.5, Dia.=7′, DC=5; 10×50 B; Juan José González (Alto de la Garandilla – Escuredo, alt. 1150 m, León, España) [En 25x100B: m1=8.7, Dia.=5′, DC=4, Cola: 0.6º en AP 60º; Luz zodiacal]
2016 Jan. 31.10 UT: m1=9.0, Dia.=4′, DC=4; 30×125 B; Carl Hergenrother (Tucson, AZ, USA)
2016 Jan. 30.79 UT: m1=8.3, Dia.=8′, DC=5, Cola: 10 arcmin.; 15-cm T f/5 (30x); Carlos Labordena (Castellón, España)
2016 Jan. 28.78 UT: m1=8.6, Dia.=~6′, DC=3; 20-cm L (42x); Alex Scholten (Eerbeek, Netherlands)
2016 Jan. 26.77 UT: m1=8.8 DSLR, Dia.=7′; 1100d+300mm lens; Giuseppe Pappa (Sicily, Italy)
2016 Jan. 25.74 UT: m1=8.7, Dia.=7.5′, DC=3/; 15.2-cm R f/5 (38x); Maik Meyer (Limburg, Germany)
2016 Jan. 25.73 UT: m1=8.9 DSLR, Dia.=8′; 1100d+300mm lens; Giuseppe Pappa (Sicily, Italy)
2016 Jan. 22.75 UT: m1=8.9:, Dia.=&5′, DC=4; 20×80 B; Marek Biely (Brno, Czech Republic) [Observation was strongly influenced by moonlight.]
2016 Jan. 21.84 UT: m1=9.5, Dia.=3′, DC=1; 30.5-cm L f/4.9 (93x); J. P. Navarro Pina (El Palmar, Murcia, Spain) [Moonlight interference]
2016 Jan. 18.09 UT: m1=8.7, Dia.=4′, DC=3; 30×125 B; Carl Hergenrother (Tucson, AZ, USA)
2016 Jan. 16.95 UT: m1=8.5, Dia.=2′, DC=3; 20×80 B; J. P. Navarro Pina (El Ardal Mula, Murcia, Spain)
2016 Jan. 15.86 UT: m1=9.0, Dia.=2.5′ , DC=3; 20×80 B; J. P. Navarro Pina (San José de la Montaña, Murcia, Spain)
2016 Jan. 14.75 UT: m1=8.3, Dia.=7.5′, DC=5/; 20×80 B; Marek Biely (Brno, Czech Republic) [Easy target. It brightened by 1 mag within some 2 weeks. It is much more condensed and larger than before.]
2016 Jan. 10.61 UT: m1=8.5, Dia.=10′, DC=5/; 11.4-cm L (60x); Jorge Luis Salas (San diego, Carabobo, Venezuela)
2016 Jan. 09.81 UT: m1=8.4, Dia.=6′, DC=3; 20×60 B; José J. Chambó (Vallés, Valencia, España)
2016 Jan. 09.81 UT: m1=8.4, Dia.=8′, DC=6; 11×80 B; Carlos Labordena (Castellón, España)
2016 Jan. 09.80 UT: m1=8.3, Dia.=9′, DC=5; 15.0-cm SCT (30x); Carlos Labordena (Castellón, España)
2016 Jan. 09.73 UT: m1=8.4 DSLR, Dia.=9′; 1100d+300mm lens; Giuseppe Pappa (Mascalucia,Sicily,Italy)
2016 Jan. 09.71 UT: m1=8.5, Dia.=10′, DC=3; 7.6-cm L (35x) ; Giuseppe Pappa (Mascalucia, Sicily, Italy)
2016 Jan. 09.78 UT: m1=8.0, Dia.=15′, DC=3; 20×80 B; J. P. Navarro Pina (San Jose de la Montaña, Murcia, Spain)
2016 Jan. 09.40 UT: m1=8.6, Dia.=7′, DC=6; 40.0-cm L f/4.5 (36x); Seiichi Yoshida (Ibaraki, Japan)
2016 Jan. 08.93 UT: m1=7.3, Dia.=15′, DC=3; 10×50 B; Juan José González (Sierra de Abredo – Coaña, alt. 450 m, Asturias, España) [Después del reciente outburst menor, el cometa muestra una más amplia coma con débil region externa. Observado desde ubicación rural, con cielo muy claro. Altura sobre el horizonte: 23º]
2016 Jan. 08.75 UT: m1=8.3 DSLR, Dia.=10′; 1100d+300mm lens; Giuseppe Pappa (Sicily, Italy)
2016 Jan. 08.72 UT: m1=7.9, Dia.=7.0′, DC=3, Tail= 025 deg. PA: 10 deg.; 7×50 B; Uwe Pilz (Leipzig, Germany)
2016 Jan. 08.72 UT: m1=8.0, Dia.=7′, DC=4/; 15.2-cm R f/5 (38x); Maik Mayer (Limburg, Germany)
2016 Jan. 08.43 UT: m1=8.2, Dia.=5.0′, DC=4; 8-cm B (20x); Paul Camilleri (Warners Bay, Australia)
2016 Jan. 08.00 UT: m1=8.3, Dia.=5′, DC=4; 20×100 B; Marco Antonio Coelho Goiato (Araçatuba, Brazil)
2016 Jan. 07.94 UT: m1=8.2, Dia.=~8, DC=1; 20-cm L (42x); Alex Scholten (Eerbeek, Netherlands)
2016 Jan. 07.93 UT: m1=8.3, Dia.=~7, DC=2; 15×80 B; Alex Scholten (Eerbeek, Netherlands)
2016 Jan. 07.17 UT: m1=8.0, Dia.=9, DC=4; 10×50 B; Carl Hergenrother (Tucson, AZ, USA)
2016 Jan. 06.438 UT: m1=8.2, Dia.=7’, DC=3; 11.4-cm L f/8 (43x); Rob Kaufman (Bright, Victoria, Australia) [Faint outer coma, brightening towards centre; tiny starlike central condensation faintly visible occasionally but general view was of a diffuse object. No tail visible. Altitude 7 deg (observation uncorrected); light haze, some light pollution]
2016 Jan. 05.81 UT: m1=8.0, Dia.=8′, DC=5; 7.6-cm L (35x); Giuseppe Pappa (Mascalucia, Sicily, Italy)
2016 Jan. 05.80 UT: m1=9.2, Dia.=5′, DC=4; 11×80 B; Carlos Labordena (Castellón, España)
2016 Jan. 05.80 UT: m1=9.5, Dia.=5′, DC=5; 20.0-cm SCT (50x); Carlos Labordena (Castellón, España)
2016 Jan. 05.75 UT: m1=7.9, Dia=8′, DC=5; 11.4-cm L f/8 (45x); Neil Norman (Ipswich, Suffolk, England)
2016 Jan. 05.11 UT: m1=8.5, Dia.=3′, DC=3; 11.4-cm L F/8 (45x); Jorge Solano (Montesano Z16, Ciudad de Guatemala)
2016 Jan. 04.833 UT: m1=8.0, Dia.=7.5′, DC=5; 11.4-cm L f/8 (45x); Neil Norman (Ipswich, England) [Significant outburst of the comet , very impressive even in a small scope. Close study advised]
2015 Dec. 31.72 UT: m1=9.7:, Dia.=3.5′, DC=4/; 15.2-cm R f/5 (38x); Maik Meyer (Limburg, Germany) [comet involved w/11 mag star]
2016 Jan. 03.71 UT: m1=8.8, Dia.=6.5′, DC=4; 25.5-cm L (46.2x); Danil Sidorko (Korenovsk, Russia)
2016 Jan. 02.11 UT: m1=9.8, Dia.=4, DC=4; 30×125 B; Carl Hergenrother (Tucson, AZ, USA)

C/2013 V4 (Catalina)
2016 Dec. 30.08 UT: m1=16.3, Dia.=0.15’, DC=2; 60-cm L (407x); Sandor Szabo (Hungary)

C/2013 US10 (Catalina)
2016 Dec. 29.99 UT: m1=[15.5, NEGATIVE; 60-cm L (407x); Sandor Szabo (Hungary) [Fainter than 15.5 mag]
2016 Sep. 03.05 UT: m1=15.2 CCD, Dia.=0.39′, DC=8; 0.25-m L  f/4.7 + CCD; Sergey Shurpakov (C36, Baran’, Belarus)
2016 Sep. 01.74 UT: m1=[13.5, negative; 40.0-cm L f/4.5 (257x); Seiichi Yoshida (Gunma, Japan)
2016 Sep. 01.07 UT: m1=14.4, Dia.=0.7′, DC=2; 60-cm L (305x); Sandor Szabo (Hungary)
2016 Sep. 01.07 UT: m1=15.7 CCD, Dia.=0.30′, DC=7/; 0.25-m L f/4.7 + CCD; Sergey Shurpakov (C36, Baran’, Belarus)
2016 Aug. 31.04 UT: m1=13.9, Dia.=1.3′, DC=1; 35-cm L (178x); Jakub Černý (Senohraby, Czech Republic)
2016 Aug. 30.03 UT: m1=13.8, Dia.=1.2′, DC=2/; 35-cm L (178x); Jakub Černý (Senohraby, Czech Republic)
2016 Aug. 28.03 UT: m1=13.8, Dia.=1.0′, DC=2; 35-cm L (178x); Jakub Černý (Senohraby, Czech Republic)
2016 Aug. 23.03 UT: m1=15.3 CCD, Dia.=0.56′, DC=7; 0.20-m L f/4 + CCD; Sergey Shurpakov (A98, Baran’,Belarus)
2016 Aug. 14.04 UT: m1=15.8 CCD, Dia.=0.31′, DC=7/; 0.25-m L f/4.7 + CCD; Sergey Shurpakov (C36, Baran’, Belarus)
2016 May  04.47 UT: m1=11.9, Dia.=1.4′, DC=2; 40.0cm L f/4.5 (144x); Seiichi Yoshida (Gunma, Japan)
2016 May  02.45 UT: m1=11.6, Dia.=1.6′, DC=2; 40.0cm L f/4.5 (144x); Seiichi Yoshida (Gunma, Japan)
2016 Apr. 29.84 UT: m1=[11.0, NEGATIVE; 20×80 B; Marek Biely (Brno, Czech Republic) [Already out of my range. Fainter than 11.0 mag.]
2016 Apr. 26.88 UT: m1=10.8, Dia.=2.0′, DC=3; 30.5-cm L f/4.9 (94x); J. P. Navarro Pina (Mula, Murcia, Spain)
2016 Apr. 07.85 UT: m1=10.5, Dia.=1.5′, DC=2, no tail; 20-cm SCT (80x); Carlos Labordena (Castellón, España)
2016 Abr. 06.87 UT: m1=10.1, Dia.=4′, DC=2/, Cola: 0.2º en AP: 70º; 20-cm SCT (77x); Juan José González (Alto de la Camperona, alt. 1603 m, León, España)
2016 Apr. 06.863 UT: m1=10.0, Dia.=2′, DC=2; 11.4-cm L f/8 (45x); Neil Norman (Ipswich, England)
2016 Apr. 05.91 UT: m1=9.9, Dia.=3′, DC=1/; 11.4-cm L f/8 (45x); Neil Norman (Ipswich, England)
2016 Apr. 01.85 UT: m1=10.0:, Dia.=&2.5′, DC=1/; 20×80 B; Marek Biely (Brno, Czech Republic) [It has faded down rapidly. Limit observation]
2016 Mar. 27.88 UT: m1:11.5, Dia.=1.5′, DC=3; 30-cm L(78x); Valentín Díaz (Aspe, Alicante, España)
2016 Mar. 22.47 UT: m1=9.7, Dia.=2.2′, DC=1; 40.0-cm L f/4.5 (144x); Seiichi Yoshida (Ibaraki, Japan)
2016 Mar. 16.81 UT: m1=10.2, Dia.=4′, DC=3/:25×100 B; Martin Lehky ((Hradec Kralove, Czech Republic)
2016 Mar. 13.73 UT: m1=9.9, Dia.=3.5′, DC=4/; 25.5-cm L (70.6x); Danil Sidorko (Korenovsk, Russia)
2016 Mar. 12.97 UT: m1=9.8, Dia.=~3, DC=0; 20-cm L (42x); Alex Scholten (Eerbeek, Netherlands)
2016 Mar. 11.97 UT: m1=9.7, Dia.=~3, DC=0; 20-cm L (42x); Alex Scholten (Eerbeek, Netherlands)
2016 Mar. 11.93 UT: m1=10.1, Dia.=3.7′, DC=4; 25-cm L (73x); Valentín Díaz (La Romaneta, Alicante, España)
2016 Mar. 11.86 UT: m1=9.9, Dia.=3′, DC=3, no cola; 20-cm SCT (50x); Carlos Labordena (Castellón, España)
2016 Mar. 11.83 UT: m1=9.5, Dia.=5′, DC=3/, Cola= 0.4º en AP: 60º; 20-cm SCT (77x); Juan José González (Pandorado, alt. 1190 m, León, España)
2016 Mar. 11.83 UT: m1=9.2, Dia.=3′, DC=3; 30.5-cm L f/4.9 (97x); J. P. Navarro Pina (El Ardal Mula, Murcia, Spain)
2016 Mar. 10.85 UT: m1=9.4, Dia.=4′, DC=5; 11.4-cm L f/8 (45x); Neil Norman (Ipswich, England)
2016 Mar. 09.90 UT: m1=11.5, Dia.=1.5′, DC=3; 30.5-cm L f/4.9 (97x); J. P. Navarro Pina (El Ardal  Mula, Murcia, Spain)
2016 Mar. 09.81 UT: m1=9.3, Dia.=5.0′, Tail= 0.33 deg. PA: 72 deg.; 32.0-cm L f/5 (96x); Uwe Pilz (Leipzig, Germany)
2016 Mar. 08.84 UT: m1=9.5, Dia.=3.5′, DC=4; 20-cm SCT (50x); Carlos Labordena (Castellón, España)
2016 Mar. 08.73 UT: m1=9.5, Dia.=4.3′, DC=5; 25.5-cm L (46.2x); Danil Sidorko (Korenovsk, Russia)
2016 Mar. 03.83 UT: m1=9.2, Dia.=3′, DC=4; 20-cm SCT (50x); Carlos Labordena (Castellón, España)
2016 Mar. 07.854 UT: m1=9.4, Dia.=4′, DC=4; 11.4-cm L f/8 (45x); Neil Norman (Ipswich, England)
2016 Mar. 07.85 UT: m1=9.8, Dia.=4′, DC=2; 20-cm L (42x); Alex Scholten (Eerbeek, Netherlands)
2016 Mar. 07.72 UT: m1=9.5, Dia.=4′, DC=5; 25.5-cm L (46.2x); Danil Sidorko (Korenovsk, Russia)
2016 Mar. 06.75 UT: m1=9.3, Dia.=5′, DC=5; 25.5-cm L (46.2x); Danil Sidorko (Korenovsk, Russia)
2016 Mar. 05.93 UT: m1=10.0, Dia.=4′, DC=1; 20-cm L (42x); Alex Scholten (Eerbeek, Netherlands)
2016 Mar. 05.92 UT: m1=9.3, Dia.=4′, DC=4/, Cola: 0.3º en AP 60º; 20-cm SCT (77x); Juan José González (El Chano – Riofrío, alt. 990 m, León, España)
2016 Mar. 05.75 UT: m1=9.2, Dia.=5.5′, DC=5; 25.5-cm L (46.2x); Danil Sidorko (Korenovsk, Russia)
2016 Mar. 03.83 UT: m1=9.7, Dia.=~3′, DC=1/; 20-cm L (42x); Alex Scholten (Eerbeek, Netherlands) (star m=10.9 in coma)
2016 Mar. 03.82 UT: m1=9.4, Dia.=2.5′, DC=3; 30.5-cm L f/4,9 (97x); J. P. Navarro Pina (El Ardal Mula, Murcia, Spain)
2016 Mar. 03.79 UT: m1=9.4, Dia.=4′, DC=2/; 15.2-cm R f/5 (38x); Maik Meyer (Limburg, Germany) [ill-defined coma, comet involved w/ 10.8 mag star]
2016 Mar. 01.00 UT: m1=9.0, Dia.=3′, DC=4/; 20-cm SCT (77x); Juan José González (Pandorado, alt. 1190 m, León, España)
2016 Feb. 29.93 UT: m1=9.4, Dia.=~6′, DC=2; 20-cm L (42x); Alex Scholten (Eerbeek, Netherlands)
2016 Feb. 27.81 UT: m1=9.5, Dia.=~5, DC=2; 20-cm L (42x); Alex Scholten (Eerbeek, Netherlands)
2016 Feb. 27.77 UT: m1=8.8, Dia.=4.5′, DC=2/; 15.2-cm R f/5 (38x); Maik Meyer (Limburg, Germany) [ill-defined coma]
2016 Feb. 17.26 UT: m1=8.3, Dia.=8′, DC=3; 10×50 B; Carl Hergenrother (Tucson, AZ, USA)
2016 Feb. 12.96 UT: m1=7.8, Dia.=9′, DC=4/; 25×100 B; Martin Lehky (Czech Republic)
2016 Feb. 12.93 UT: m1=7.9, Dia.=12′, DC=5; 15×80 B; Alex Scholten (Eerbeek, Netherlands)
2016 Feb. 12.81 UT: m1=7.8, Dia.=10.5, DC=4; 10×50 B; Maik Meyer (Limburg, Germany)
2016 Feb. 11.94 UT: m1=7.4, Dia.=7′, DC=4, Cola: 15 arcmin.; 11×80 B; Carlos Labordena (Castellón, España)
2016 Feb. 11.93 UT: m1=7.6, Dia.=8′, DC=5, Cola: 20 arcmin.; 20-cm SCT (50x); Carlos Labordena (Castellón, España)
2016 Feb. 11.78 UT: m1=7.8, Dia.=9′, DC=4/; 25×100 B; Martin Lehky (Czech Republic)
2016 Feb. 09.95 UT: m1=7.8, Dia.=12′; 15×80 B; Alex Scholten (Eerbeek, Netherlands) (star m=8.8 in coma)
2016 Feb. 09.76 UT: m1=7.5, Dia.=12, DC=4; 10×50 B; Maik Meyer (Limburg, Germany)
2016 Feb. 09.69 UT: m1=7.4, Dia.=7.4′, DC=5, Tail= 9.5 arcmin. in PA: 85 deg.; 25.5-cm L (46.2x); Danil Sidorko (Korenovsk, Russia)
2016 Feb. 09.13 UT: m1=7.1, Dia.=7′, DC=4; 10×50 B; Carl Hergenrother (Tucson, AZ, USA)
2016 Feb. 08.76 UT: m1=7.3, Dia.=13′, DC=3/; 10×50 B; Maik Meyer (Limburg, Germany)
2016 Feb. 08.71 UT: m1=7.3, Dia.=8′, DC=5, Tail= 10 arcmin. in PA: 85 deg. ; 25.5-cm L (46.2x); Danil Sidorko (Korenovsk, Russia)
2016 Feb. 08.20 UT: m1=7.0, Dia.=8′, DC=4, Cola: 15 arcmin.; 11×80 B; Carlos Labordena (Castellón, España)
2016 Feb. 08.19 UT: m1=7.1, Dia.=8′, DC=5, Cola: 25 arcmin.; 20-cm SCT (50x); Carlos Labordena (Castellón, España)
2016 Feb. 07.89 UT: m1=7.6, Dia.=~12′, DC=6; 15×80 B; Alex Scholten (Eerbeek, Netherlands)
2016 Feb. 07.07 UT: m1=7.5, Dia.=8′, DC=4/; 25×100 B; Martin Lehky (Czech Republic)
2016 Feb. 06.86 UT: m1=6.9, Dia.=16′, DC=6; 20×80 B; J. P. Navarro Pina (Campos del Rio, Murcia, Spain)
2016 Feb. 06.77 UT: m1=7.3, Dia.=13′, DC=3/; 10×50 B; Maik Meyer (Limburg, Germany)
2016 Feb. 04.85 UT: m1=6.5, Dia.=8′, DC=4, Cola: 20 arcmin.; 11×80 B; Carlos Labordena (Castellón, España)
2016 Feb. 04.84 UT: m1=6.7, Dia.=8′, DC=6, Cola: 25 arcmin.; 15-cm T f/5 (30x); Carlos Labordena (Castellón, España)
2016 Feb. 04.69 UT: m1=6.7, Dia.=17′, DC=5/, Tail= 0.2 deg, in PA: 98 deg.; 7-cm B (15x); Danil Sidorko (Korenovsk, Russia)
2016 Feb. 04.11 UT: m1=6.8, Dia.=8′, DC=4; 10×50 B; Carl Hergenrother (Tucson, AZ, USA)
2016 Feb. 03.98 UT: m1=7.0, Dia.=9′, DC=4; 10×80 B; Martin Lehky (Czech Republic)
2016 Feb. 03.83 UT: m1=7.4, Dia.=10′, DC=5; 10×50 B; Juan José González (Alto de la Garandilla – Escuredo, alt. 1150 m, León, España) [Cola de polvo : 0.4º en AP 90º]
2016 Feb. 02.813 UT: m1=6.8, Dia.=8′, DC=6/; 11.4-cm L f/8 (45x); Neil Norman (Ipswich, England)
2016 Feb. 01.91 UT: m1=6.8 DSLR, Dia.=11′; 1100d+300mm lens; Giuseppe Pappa (Sicily, Italy)
2016 Feb. 01.82 UT: m1=7.2, Dia.=11′, DC=3; 20×80 B; J. P. Navarro Pina (San Jose de la Montaña, Murcia, Spain)
2016 Feb. 01.799 UT: m1=6.6, Dia.=10′, DC=6; 11.4-cm L f/8 (45x); Neil Norman (Ipswich, England)
2016 Jan. 31.85 UT: m1=6.5, Dia.=15′, DC=3; 20×80 B; J. P. Navarro Pina (El Palmar, Murcia, Spain)
2016 Jan. 31.68 UT: m1=6.4, Dia.=16′, DC=5; 7-cm B (15x); Danil Sidorko (Korenovsk, Russia)
2016 Jan. 31.10 UT: m1=6.9, Dia.=11′, DC=4; 10×50 B; Carl Hergenrother (Tucson, AZ, USA)
2016 Jan. 30.86 UT: m1=6.5, Dia.=8′, DC=3, Cola: 20 arcmin.; 11×80 B; Carlos Labordena (Castellón, España)
2016 Jan. 30.85 UT: m1=6.6, Dia.=9′, DC=4, Cola: 25 arcmin.; 15-cm T f/5 (30x); Carlos Labordena (Castellón, España)
2016 Jan. 30.84 UT: m1=6.6, Dia.=18′, DC=6; 20×80 B; J. P. Navarro Pina (Campos del Rio, Murcia, Spain)
2016 Jan. 30.802 UT: m1=6.5, Dia.=10′, DC=6; 11.4-cm L f/8 (45x); Neil Norman (Ipswich, England)
2016 Jan. 30.68 UT: m1=6.4, Dia.=18′, DC=5; 7-cm B (15x); Danil Sidorko (Korenovsk, Russia)
2016 Jan. 29.94 UT: m1=6.7, Dia.=10′, DC=4; 10×80 B; Martin Lehky (Czech Republic)
2016 Jan. 29.80 UT: m1=6.6, Dia.=12′, DC=6; 8×56 B; Sandor Szabo (Sieggraben, Austria)
2016 Jan. 28.80 UT: m1=6.6, Dia.=~15′, DC=5; 8×56 B; Alex Scholten (Eerbeek, Netherlands) (in 20-cm L (42x) weak dusttail of about 0.6 degrees in PA=155 degrees)
2016 Jan. 28.25 UT: m1=6.7, Dia.=~15′, DC=5; 8×56 B; Alex Scholten (Eerbeek, Netherlands) (moonlight)
2016 Jan. 28.17 UT: m1=[6.6; 5-cm B (7x); Salvador Aguirre (Hermosillo, Sonora, Mexico)
2016 Jan. 28.17 UT: m1=[6.6; 7-cm B (15x); Salvador Aguirre (Hermosillo, Sonora, Mexico)
2016 Jan. 28.09 UT: m1=[6.6; 5-cm B (7x); Salvador Aguirre (Hermosillo, Sonora, Mexico)
2016 Jan. 27.98 UT: m1=6.7 DSLR, Dia.=14′; 1100d+300mm lens; Giuseppe Pappa (Sicily, Italy)
2016 Jan. 26.83 UT: m1=6.5 DSLR, Dia.=14′; 1100d+300mm lens; Giuseppe Pappa (Sicily, Italy)
2016 Jan. 26.68 UT: m1=6.3, Dia.=15′, DC=5; 7-cm B (15x); Danil Sidorko (Korenovsk, Russia)
2016 Jan. 26.09 UT: m1=6.7, Dia.=15′, DC=3; 10×50 B; Carl Hergenrother (Tucson, AZ, USA)
2016 Jan. 25.88 UT: m1=6.6 DSLR, Dia.=16′; 1100d+300mm lens; Giuseppe Pappa (Sicily, Italy)
2016 Jan. 25.875 UT: m1=6.4, Dia.=10′, DC=5; 11.4-cm L f/8 (45x); Neil Norman (Ipswich, England)
2016 Jan. 25.75 UT: m1=6.4 , Dia.=14′, DC=3; 10×50 B; Maik Meyer (Limburg, Germany)
2016 Jan. 25.74 UT: m1=6.7 DSLR, Dia.=15′; 1100d+300mm lens; Giuseppe Pappa (Sicily, Italy)
2016 Jan. 25.51 UT: m1=6.8, Dia.=8.2′, DC=2/; 7-cm B (15x); Salvador Aguirre (Hermosillo, Sonora, Mexico)
2016 Jan. 25.50 UT: m1=6.9:, Dia.=&10′, DC=2/; 5-cm B (7x); Salvador Aguirre (Hermosillo, Sonora, Mexico)
2016 Jan. 24.86 UT: m1=7.5, Dia.=3.5′, DC=3, 30.5-cm L f/4.9 (47x; J. P. Navarro Pina (El Palmar, Murcia, Spain) [full moon tonight, the visual coma of comet is very affected]
2016 Jan. 24.50 UT: m1=6.7, Dia.=11.0′, DC=2/; 5-cm B (7x); Salvador Aguirre (Hermosillo, Sonora, Mexico)
2016 Jan. 23.19 UT: m1=6.4, Dia.=10.5′, DC=4/; 20×80 B; Marek Biely (Brno, Czech Republic) [Clear sky, very cold weather. Large, moderately condensed coma. No tails visible.]
2016 Jan. 22.92 UT: m1=6.6, Dia.=8′, DC=4; 10×80 B; Martin Lehky (Czech Republic)
2016 Jan. 22.67 UT: m1=6.7 DSLR, Dia.=13′; Nikon D5200 (18-mm lens); Artyom Novichonok (Lososinnoe, Russia)
2016 Jan. 22.50 UT: m1=6.5, Dia.=11.0′, DC=2/; 5-cm B (7x); Salvador Aguirre (Hermosillo, Sonora, Mexico)
2016 Jan. 22.22 UT: m1=6.5, Dia.=~13′, DC=7; 8×56 B; Alex Scholten (Eerbeek, Netherlands)
2016 Jan. 21.87 UT: m1=6.7, Dia.=5′, DC=3; 20×80 B; J. P. Navarro Pina (El Palmar, Murcia, Spain) [Moonlight interference]
2016 Jan. 21.50 UT: m1=6.5, Dia.=13.4′, DC=3; 5-cm B (7x); Salvador Aguirre (Hermosillo, Sonora, Mexico)
2016 Jan. 20.53 UT: m1=6.5, Dia.=10′, DC=5; 10×50 B; Carl Hergenrother (Tucson, AZ, USA)
2016 Jan. 20.52 UT: m1=6.5, Dia.=13.4′, DC=3/; 5-cm B (7x); Salvador Aguirre (Hermosillo, Sonora, Mexico)
2016 Jan. 19.25 UT: m1=6.2  Dia.=13′, DC=4; 10×50 B; Maik Meyer (Limburg, Germany)
2016 Jan. 19.24 UT: m1=6.3, Dia.=~15′, DC=6; 8×56 B; Alex Scholten (Eerbeek, Netherlands)
2016 Jan. 18.91 UT: m1=6.5, Dia.=10′, DC=4; 10×80 B; Martin Lehky (Czech Republic)
2016 Jan. 18.52 UT: m1=6.4, Dia.=11.6′, DC=3/; 5-cm B (7x); Salvador Aguirre (Hermosillo, Sonora, Mexico)
2016 Jan. 18.45 UT: m1=6.5, Dia.=13′, DC=5; 10×50 B; Carl Hergenrother (Tucson, AZ, USA)
2016 Jan. 18.23 UT: m1=6.3, Dia.=~13′, DC=6; 8×56 B; Alex Scholten (Eerbeek, Netherlands) (in 15x80B dust tail of about 0.6 degrees in PA=205 degrees)
2016 Jan. 18.20 UT: m1=6.3, Dia.=12′, DC=4/, Tail=0.4 deg. PA: 215 deg.; 10×50 B; Maik Meyer (Limburg, Germany) [broad and diffuse dust tail]
2016 Jan. 18.02 UT: m1=6.4, Dia.=17′, DC=3/; 10X70 B; Jorge Luis Salas (San Diego, Carabobo, Venezuela)
2016 Jan. 17.91 UT: m1=6.7, Dia.=6’, DC=4; 20X80 B; Sandro Baroni (Milano, Italia)
2016 Jan. 17.43 UT: m1=6.3, Dia.=11.6′, DC=3/; 5-cm B (7x); Salvador Aguirre (Hermosillo, Sonora, Mexico)
2016 Jan. 17.19 UT: m1=6.2, Dia.=~12′, DC=7; 8×56 B; Alex Scholten (Eerbeek, Netherlands) (hint of dusttail in PA=205 degrees)
2016 Jan. 17.07 UT: m1=6.3, Dia.=9′, DC=3, Cola: 25 arcmin.; 11×80 B; Carlos Labordena (Castellón, España)
2016 Jan. 17.06 UT: m1=6.4, Dia.=10′, DC=4; 15-cm T f/5 (30x); Carlos Labordena (Castellón, España)
2016 Jan. 17.02 UT: m1=6.3, Dia.=11′, DC=4/; 10X70 B; Jorge Luis Salas (San Diego, Carabobo, Venezuela)
2016 Jan. 16.94 UT: m1=6.5, Dia.=8′, DC=6; 20×80 B; J. P. Navarro Pina (El Ardal Mula, Murcia, Spain)
2016 Jan. 16.52 UT: m1=6.3, Dia.=11.6′, DC=3/; 5-cm B (7x); Salvador Aguirre (Hermosillo, Sonora, Mexico)
2016 Jan. 16.02 UT: m1=6.4, Dia.=11′, DC=4/; 10X70 B; Jorge Luis Salas (San Diego, Carabobo, Venezuela)
2016 Jan. 16.01 UT: m1=6.6, Dia.=9′, DC=5; 10×50 B; Valentín Díaz (Pantano de Elche, España)
2016 Jan. 15.983 UT: m1=6.4, Dia.=11′, DC=5; 11.4-cm L f/8 (45x); Neil Norman (Ipswich, England)
2016 Jan. 15.94 UT: m1=6.3, Dia.=13′, DC=6/; 8.5×42 B; Alex Scholten (Bussloo, Netherlands)
2016 Jan. 15.52 UT: m1=6.3, Dia.=11.6′, DC=3/; 5-cm B (7x); Salvador Aguirre (Hermosillo, Sonora, Mexico)
2016 Jan. 14.90 UT: m1=7.7, Dia.=10′, DC=4; 11X80 B; Angelito Sing (Makati, Philippines)
2016 Jan. 14.51 UT: m1=6.3, Dia.=11.6′, DC=3/; 5-cm B (7x); Salvador Aguirre (Hermosillo, Sonora, Mexico)
2016 Jan. 14.07 UT: m1=6.7, Dia.=8′, DC=6; 20×80 B; J. P. Navarro Pina (El Palmar, Murcia, Spain)
2016 Jan. 14.03 UT: m1=6.5, Dia.=17′, DC=5/; 10X70 B; Jorge Luis Salas (San diego, Carabobo, Venezuela)
2016 Jan. 13.52 UT: m1=6.3, Dia.=16′, DC=3/; 5-cm B (7x); Salvador Aguirre (Hermosillo, Sonora, Mexico)
2016 Jan. 13.35 UT: m1=6.3, Dia.=12′, DC=4; 10×50 B; Carl Hergenrother (Tucson, AZ, USA)
2016 Jan. 13.02 UT: m1=6.3, Dia.=10′, DC=4/; 10X70 B; Jorge Luis Salas (San diego, Carabobo, Venezuela)
2016 Jan. 12.88 UT: m1=7.7, Dia.=12′, DC=4; 11X80 B; Angelito Sing (Makati, Philippines)
2016 Jan. 12.51 UT: m1=6.3, Dia.=&17′, DC=3/; 5-cm B (7x); Salvador Aguirre (Hermosillo, Sonora, Mexico)
2016 Jan. 12.20 UT: m1=6.5, Dia.=6′, DC=5, Cola: 25 arcmin.; 11×80 B; Carlos Labordena (Castellón, España)
2016 Jan. 12.19 UT: m1=5.9, Dia.=10′, DC=4/; 10X70 B; Jorge Luis Salas (San diego, Carabobo, Venezuela)
2016 Jan. 11.73 UT: m1=6.6, Dia.=12.2’, DC=5; 7×50 B; Chris Wyatt (Walcha, NSW, Australia) [Outer coma semi-transparent, inner coma strongly condensed but not stellar. Enhances strongly in Swan Band filter, no tail visible. Low altitude = 8.3°; Nautical twilight, slight interference
2016 Jan. 11.36 UT: m1=6.3, Dia.=12′, DC=4; 10×50 B; Carl Hergenrother (Tucson, AZ, USA)
2016 Jan. 11.03 UT: m1=5.8, Dia.=12′, DC=4/; 10X70 B; Jorge Luis Salas (San diego, Carabobo, Venezuela)
2016 Jan. 10.86 UT: m1=6.6, Dia.=10′, DC=4; 11X80 B; Angelito Sing (Makati, Philippines)
2016 Jan. 10.50 UT: m1=6.2, Dia.=10.5′, DC=3/; 5-cm B (7x); Salvador Aguirre (Hermosillo, Sonora, Mexico)
2016 Jan. 10.30 UT: m1=6.5, Dia.=8′, DC=3; 8-cm B (20x); Brad Young (Tulsa, OK, USA)
2016 Jan. 10.23 UT: m1=6.4 CCD, Dia.=11.3′; 6.8-cm R + CCD V f/3.8; Mieczyslaw Leszek Paradowski (Lublin, Poland) [Twilight]
2016 Jan. 10.20 UT: m1=6.3 DSLR, Dia.=8.9′; 6.8-cm R + DSLR V f/5.9; Mieczyslaw Leszek Paradowski (Lublin, Poland) [Twilight]
2016 Jan. 10.19 UT: m1=6.2, Dia.=10′, DC=5/; 11.4-cm L f/8 (60x); Jorge Luis Salas (San Diego, Carabobo, Venezuela)
2016 Jan. 09.79 UT: m1=6.4, Dia.=17′, DC=6; 10x70R; Seiichi Yoshida (Ibaraki, Japan)
2016 Jan. 09.78 UT: m1=7.0, Dia.=11′, DC=6, Tail= 24′ in PA: 185 deg.; 40.0-cm L f/4.5 (36x); Seiichi Yoshida (Ibaraki, Japan)
2016 Jan. 09.56 UT: m1=6.1, Dia.=11′, DC=3; 10×50 B; Carl Hergenrother (Tucson, AZ, USA)
2016 Jan. 09.51 UT: m1=6.3:, Dia.=10.5′, DC=4/; 5-cm B (7x); Salvador Aguirre (Hermosillo, Sonora, Mexico)
2016 Jan. 09.22 UT: m1=5.4, Dia.=12.0′; naked eye; Uwe Pilz, Leipzig, Germany)
2016 Jan. 09.04 UT: m1=6.5, Dia.=8′, DC=6; 10×50 B; Juan José González (Sierra de Abredo – Coaña, alt. 450 m, Asturias, España) [Altura sobre el horizonte: 19º]
2016 Jan. 08.76 UT: m1=8.1, Dia.=~14′, DC=3; 15×80 B; Alex Scholten (Bussloo, Netherlands)
2016 Jan. 08.22 UT: m1=6.2, Dia.=12′, DC=5; 10×50 B; Maik Mayer (Limburg, Germany)
2016 Jan. 08.21 UT: m1=6.6, Dia.=~15, DC=6; 8×56 B; Alex Scholten (Eerbeek, Netherlands) [in 15x80B weak dust tail of about 0.8 degrees in PA=220 degrees]
2016 Jan. 08.09 UT: m1=6.4, Dia.=8′, DC=5; 20×80 B; Valentín Díaz Parreño (Elche capital, España)
2016 Jan. 07.90 UT: m1=7.2, Dia.=6′, DC=4; 11X80 B; Angelito Sing (Makati, Philippines)
2015 Jan. 07.79 UT: m1=7.3, Dia.=15′, DC=6; 20×80 B; J. P. Navarro Pina (El Ardal Mula, Murcia, Spain)
2016 Jan. 07.49 UT: m1=6.4, Dia.=9′, DC=4/; 5-cm B (7x); Salvador Aguirre (Hermosillo, Sonora, Mexico)
2016 Jan. 07.19 UT: m1=6.5, Dia.=8′, DC=4/; 10×70 B; Jorge Luis Salas (San Diego, Carabobo, Venezuela)
2016 Jan. 06.16 UT: m1=6.2, Dia.=7′, DC=4, Tail= 30 arcmin; 11×80 B; Carlos Labordena (Castellón, España)
2016 Jan. 05.87 UT: m1=7.3, Dia.=6′, DC=4; 11X80 B; Angelito Sing (Makati, Philippines)
2016 Jan. 05.22 UT: m1=6.5, Dia.=8′, DC=5; 12×50 B; Giuseppe Pappa (Mascalucia, Sicily, Italy)
2016 Jan. 04.86 UT: m1=6.7, Dia.=6′, DC=4; 11X80 B; Angelito Sing (Makati, Philippines)
2016 Jan. 04.00 UT: m1=6.5:, Dia.=&9′, DC=4/; 7-cm B (15x); Danil Sidorko (Korenovsk, Russia)
2016 Jan. 03.875 UT: m1=6.7, Dia.=6′, DC=4; 11X80 B; Angelito Sing (Makati, Philippines)
2016 Jan. 02.52 UT: m1=6.5, Dia.=9.5′, DC=4/; 5-cm B (7x); Salvador Aguirre (Hermosillo, Sonora, Mexico)
2016 Jan. 02.31 UT: m1=6.2, Dia.=6.0’, DC=4; 25-cm SCT (40x); Alberto Anunziato (Oro Verde, Argentina)
2016 Jan. 02.24 UT: m1=6.3, Dia.=7′, DC=4, Tail= 15 arcmin; 11×80 B; Carlos Labordena (Castellón, España)
2016 Jan. 01.52 UT: m1=6.5, Dia.=&9′, DC=4/; 5-cm B (7x); Salvador Aguirre (Hermosillo, Sonora, Mexico)
2016 Jan. 01.51 UT: m1=6.0, Dia.=6, DC=5; 10×50 B; Carl Hergenrother (Tucson, AZ, USA)
2016 Jan. 01.50 UT: m1=6.0, Dia.=10′, DC=6; 8-cm B (20x); Brad Young (Tulsa, OK, USA)
2016 Jan. 01.30 UT: m1=6.5, Dia.=5′, DC=4; 10-cm f/5 R (25x); Willian Souza (Sao Paulo, Brazil)
2016 Jan. 01.187 UT: m1=6.4, Dia.=7′, DC=5; 11.4-cm L f/8 (45x); Neil Norman (Ipswich, England)
2016 Jan. 01.10 UT: m1=5.9, Dia.=15′, DC=6; 20×80 B; J. P. Navarro Pina (El Palmar, Murcia, Spain)

C/2012 F3 (PANSTARRS)
2016 Aug. 31.97 UT: m1=16.3 CCD, Dia.=0.32′, DC=6/; 0.25-m L f/4.7 + CCD; Sergey Shurpakov (C36, Baran’, Belarus)

C/2011 KP36 (Spacewatch)
2016 Dec. 31.73 UT: m1=14.3, Dia.=0.9′, DC=4; 35-cm L (178x); Jakub Cerny (Senohraby, Czech Republic)
2016 Nov. 22.46 UT: m1=14.2, Dia.=0.8’, DC=3; 25-cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma diffuse, slight brightening to an opaque centre]
2016 Nov. 16.80 UT: m1=12.3, Dia.=1′, 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. Cielo muy claro de montaña]
2016 Nov. 04.44 UT: m1=[12.9; 40.0-cm L f/4.5 (257x); Seiichi Yoshida (Gunma, Japan)
2016 Nov. 01.43 UT: m1=14.5, Dia.=1.2’, DC=2/; 25-cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma diffuse, very weakly condensed]
2016 Oct. 31.43 UT: m1=13.6, Dia.=1.1’, DC=2/; 25-cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma very diffuse, slight brightening to centre]
2016 Oct. 26.84 UT: m1=12.3, Dia.=1.5′, DC=3; 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. Cielo muy claro de montaña]
2016 Oct. 25.42 UT: m1=13.9, Dia.=1.3’, DC=3; 25-cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma diffuse with slight brightening to centre]
2016 Oct. 24.43 UT: m1=13.5, Dia.=1.5’, DC=3; 25-cm L f:5 (x83); Chris Wyatt (Walcha, NSW, Australia) [Coma very diffuse, slight brightening to centre. No tail]
2016 Oct. 23.42 UT: m1=13.6, Dia.=1.4’, DC=3; 25-cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma very diffuse, slight brightening to centre. No tail]
2016 Oct. 20.45 UT: m1=13.1, Dia.=0.9′, DC=2; 40.0-cm L f/4.5 (257x); Seiichi Yoshida (Gunma, Japan)
2016 Oct. 19.42 UT: m1=13.2, Dia.=1.7’, DC=3; 25-cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Coma very diffuse, no tail]
2016 Oct. 18.41 UT: m1=13.1, Dia.=1.7’, DC=2/; 25cm L f:5 (x39); Chris Wyatt, Walcha, NSW, Australia) [Coma very diffuse, no tail. Visible in good seeing, weakly condensed. Does not enhance in Swan Band filter]
2016 Oct. 11.70 UT: m1=12.2, Dia.=2.4’, DC=2/; 25-cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Coma diffuse, weakly condensed centre. Does not enhance in Swan Band filter]
2016 Oct. 05.71 UT: m1=12.2, Dia.=2.8’, DC=3; 25-cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Coma diffuse, slight brightening to centre, no tail. Does not enhance in Swan Band filter]
2016 Oct. 04.47 UT: m1=12.8, Dia.=3’, DC=3; 25-cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Coma does not enhance in Swan Band filter. Outer coma very diffuse, brightening slightly to centre]
2016 Sep. 28.44 UT: m1=13.7, Dia.=0.6’, DC=3; 25-cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Magnitude uncertain; no tail, coma diffuse, slight brightening to centre. Cloud ended observation prematurely. Sky slightly hazy from smoke]
2016 Sep. 27.72 UT: m1=13.6, Dia.=1’, DC=3; 25-cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma diffuse with an opaque and weakly condensed centre fading to edges. No tail. Does not enhance in Swan Band filter]
2016 Sep. 26.44 UT: m1=13.4, Dia.=0.8’, DC=3; 25-cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma diffuse with slight brightening to centre, no tail. Conditions windy]
2016 Sep. 01.73 UT: m1=13.0, Dia.=0.8′, DC=3; 40.0-cm L f/4.5 (144x); Seiichi Yoshida (Gunma, Japan)
2016 Sep. 01.03 UT: m1=14.5, Dia.=0.7′, DC=4; 60-cm L (187x); Sandor Szabo (Hungary)
2016 Sep. 01.03 UT: m1=14.7 CCD, Dia.=0.66′, DC=6/; 0.25-m L  f/4.7 + CCD; Sergey Shurpakov (C36, Baran’, Belarus)
2016 Aug. 30.94 UT: m1=14.0, Dia.=0.7′, DC=2/; 35-cm L (178x); Jakub Černý (Senohraby, Czech Republic)
2016 Aug. 29.98 UT: m1=14.6, Dia.=0.7′, DC=4; 35-cm L (178x); Jakub Černý (Senohraby, Czech Republic)
2016 Aug. 28.99 UT: m1=14.5, Dia.=0.4′, DC=4; 35-cm L (178x); Jakub Černý (Senohraby, Czech Republic)
2016 Aug. 28.00 UT: m1=14.5, Dia.=0.4′, DC=3; 35-cm L (178x); Jakub Černý (Senohraby, Czech Republic)
2016 Aug. 26.96 UT: m1=14.4, Dia.=0.4′, DC=3; 35-cm L (178x); Jakub Černý (Senohraby, Czech Republic)
2016 Aug. 12.74 UT: m1=13.8, Dia.=1’, DC=3; 25-cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma diffuse with slight brightening to centre]
2016 Aug. 08.75 UT: m1=14.6, Dia.=0.4’, DC=2; 25cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma small and diffuse, slight brightening to centre, no tail. Close to faint stars. SQM results averaged over 5 readings = 21.97 at -2° C. Observing site 30kms East of Walcha at 1250m altitude]
2016 July 31.70 UT: m1=13.6, Dia.=1.4’, DC=2; 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]
2016 July 09.11 UT: m1=13.3, Dia.=0.8′, DC=3; 20-cm SCT (133x); Juan José González (Cueto Rosales, alt. 1420 m, León, España) [Estrellas de comparación de la fotometría APASS. Cielo muy claro de montaña]
2016 July 02.72 UT: m1=13.9, Dia.=0.8’, DC=2; 25-cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Coma does not enhance in Swan Band filter. No tail, very diffuse with a very slight brightening to centre]


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]

315P/LONEOS
2016 Dec. 30.11 UT: m1=[15.8, NEGATIVE; 60-cm L (407x); Sandor Szabo (Hungary) [Fainter than 15.8 mag]

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  09.45 UT: m1=8.8, Dia.=8′, DC=1; 30×125 B; Carl Hergenrother (Tucson, AZ, USA)
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  04.25 UT: m1=7.3, Dia.=12′, DC=2; 10×50 B; Carl Hergenrother (Tucson, AZ, USA)
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  02.30 UT: m1=7.2, Dia.=10′, DC=2; 10×50 B; Carl Hergenrother (Tucson, AZ, USA)
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. 18.47 UT: m1=6.7, Dia.=15′, DC=2; 10×50 B; Carl Hergenrother (Tucson, AZ, USA)
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. 16.40 UT: m1=6.3, Dia.=20′, DC=2; 10×50 B; Carl Hergenrother (Tucson, AZ, USA)
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. 14.48 UT: m1=6.0, Dia.=24′, DC=2; 10×50 B; Carl Hergenrother (Tucson, AZ, USA)
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. 03.45 UT: m1=5.7, Dia.=20′, DC=2; 10×50 B; Carl Hergenrother (Tucson, AZ, USA)
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. 02.40 UT: m1=5.6, Dia.=24′, DC=2; 10×50 B; Carl Hergenrother (Tucson, AZ, USA)
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. 26.51 UT: m1=6.3, Dia.=17′, DC=2; 30×125 B; Carl Hergenrother (Tucson, AZ, USA)
2016 Mar. 26.51 UT: m1=6.0, Dia.=25′, DC=1; 10×50 B; Carl Hergenrother (Tucson, AZ, USA)
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)

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]

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)

226P/Pigott-LINEAR-Kowalski
2016 Dec. 29.95 UT: m1=14.8, Dia.=0.5’, DC=3; 60-cm L (407x); Sandor Szabo (Hungary)
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]

190P/Mueller
2016 Dec. 10.99 UT: m1=20.4 CCD, Dia.=0.18′, DC=9; 0.25-m L f/4.7; Sergey Shurpakov (C36, Baran’, Belarus)

174P/Echeclus
2
016 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]
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. 30.18 UT: m1=13.7, Dia.=0.9’, DC=2; 60-cm L (244x); Sandor Szabo (Hungary)
2016 Dic. 05.23 UT: m1=10.8, Dia.=3′, DC=1/; 20-cm SCT (77x); Juan José González (Pico del Pozo de la Nieve – Sierra de la Bobia, alt. 1130 m, Asturias, España) [Luz zodiacal. Cielo muy claro de montaña]
2016 Dec. 02.83 UT: m1=13.3, Dia.=1.1′, DC=2; 40.0-cm L f/4.5 (144x); Seiichi Yoshida (Gunma, Japan)
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. 25.14 UT: m1=11.3, Dia=2′, DC=2, no cola; 20-cm SCT (80x); Carlos Labordena (Castellón, España)
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]117P/Helin-Roman-Alu 1
2016 Dec. 06.87 UT: m1=17.2 CCD, Dia.=0.29′, DC=8, Tail= 1.2’in PA: 256 deg.; 0.25-m L f/4.7; Sergey Shurpakov (C36, Baran’, Belarus)
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)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)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)

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)

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 Dec. 10.94 UT: m1=16.8 CCD, Dia.=0.26′, DC=8; 0.25-m L f/4.7; Sergey Shurpakov (C36, Baran’, Belarus)
2016 Dec. 06.95 UT: m1=17.1 CCD, Dia.=0.18′, DC=9; 0.25-m L f/4.7; Sergey Shurpakov (C36, Baran’, Belarus)
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)

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)

56P/Slaughter-Burnham
2016 Dec. 29.97 UT: m1=15.5, Dia.=0.4’, DC=2; 60-cm L (305x); Sandor Szabo (Hungary)
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)

45P/Honda-Mrkos-Pajdusakova
2016 Dec. 31.77 UT: m1=6.9, Dia.=2.5′, DC=7; 10×50 B; Juan Jose Gonzalez (Linares – Proaza, Asturias, Spain; Alt. 843 m, 43º 16′ N, 6º 02′ W) [Altitude: 10 deg. Morris Method. Tycho-2 comparison stars at the same low altitude as the comet. SQM: 21.1 at zenith. Zodiacal light. Mountain location, very clear sky]
2016 Dec. 31.76 UT: m1=7.6, Dia.=6′, DC=3; 20×80 B; J. P. Navarro Pina (El Palmar, Murcia, Spain) [Sidgwick method, comet low altitude, tycho-2 stellar catalogue]
2016 Dec. 31.70 UT: m1=7.1, Dia.=2.6′, DC=6/, Tail= 0.67 deg. in PA: 80 deg.; 25×100 B; Jakub Cerny (Senohraby, Czech Republic)
2016 Dec. 31.45 UT: m1=7.2; 25×100 B; David A. J. Seargent (Cowra, NSW, Australia)
2016 Dec. 30.77 UT: m1=7.0, Dia.=2.5′, DC=7; 10×50 B; Juan Jose Gonzalez (Collado del Fresno – Sierra del Aramo, Asturias, Spain; Alt. 1240 m, 43º 10′ N, 5º 54′ W) [Altitude: 10 deg. Morris Method. Tycho-2 comparison stars at the same low altitude as the comet. SQM: 21.1 at zenith. Zodiacal light. Mountain location, very clear sky]
2016 Dec. 30.43 UT: m1=7.2, Dia.=2.2’, DC=5/; 25-cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Low altitude= 7.7°; Enhances well in Swan Band filter, faint tail traced to 13.5’ in length in P.A. 085° approximately. Faint outer coma, brightening to an opaque inner coma, aqua-blue in colour with a small stellar central condensation. Slight interference by twilight. Comparison stars checked using Tycho-2 data in Guide 9.0; Method= M; Cat= TK]
2016 Dec. 29.97 UT: m1=7.4, Dia.=3′, DC=4/; 11X80 B; José G. de S. Aguiar (Campinas, Brasil)
2016 Dec. 29.96 UT: m1=7.2, Dia.=5′, DC=5/, Tail= 0.1º in PA: 75; 20X100 B; Marco Antonio Coelho Goiato (Araçatuba, Brazil) [Nautical Twilight, Sun altitude: -12º /Comet altitude: 15º]
2016 Dec. 29.77 UT: m1=7.1, Dia.=2.5′, DC=7; 10×50 B; Juan Jose Gonzalez (Salcedo – Sierra del Aramo, Asturias, Spain; Alt. 1140 m, 43º 11′ N, 5º 57′ W) [Altitude: 10 deg. Morris Method. Tycho-2 comparison stars at the same low altitude as the comet. SQM: 21.1 at zenith. Zodiacal light. Mountain location, very clear sky]
2016 Dec. 29.74 UT: m1=7.5, Dia.=8′, DC=6; 20×80 B; J. P. Navarro Pina (Sangonera la Verde, Murcia, Spain) [Sidgwick method, comet low altitude, tycho-2 stellar catalogue]
2016 Dec. 29.69 UT: m1=7.2, Dia.=3.5’, DC=D7; 15×70 B & 25-cm L (92x); Gabor Santa (Göd, Pest county, Hungary) [Tail: 8-9’ to PA 80. Coma has very strong green colour in the newtonian telescope. Nelm at the comet: 4m]
2016 Dec. 29.69 UT: m1=7.3, Dia.=2.2’, DC=6; 25-cm L (31x); Sandor Szabo (Hungary) [Tail: 10’ to 75-80 deg.]
2016 Dec. 29.43 UT: m1=7.4, Dia.=2.2’, DC=5/; 25-cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Low altitude = 6.7°; Faint tail visible, just above background threshold, traced to 14.5’in P.A. 079° approximately. Faint stellar central condensation visible in good seeing, opaque inner coma, aqua-blue in colour and enhances well in Swan Band filter. Comparison stars checked using Tycho-2 data in Guide 9.0; Method= M; Cat= TK]
2016 Dec. 28.95 UT: m1=7.3, Dia= 3′, DC=5; 15×70 B; Willian Souza (Sao Paulo, Brazil)
2016 Dec. 28.77 UT: m1=7.2, Dia.=3′, DC=7; 10×50 B; Juan Jose Gonzalez (Gamoniteiro – Sierra del Aramo, Asturias, Spain; Alt. 1710 m, 43º 11′ N, 5º 55′ W) [In 25x100B: m1=7.5. Altitude: 10 deg.. Morris Method. Tycho-2 comparison stars at the same low altitude as the comet. SQM: 20.9 at zenith. Zodiacal light. Mountain location, very clear sky]
2016 Dic. 28.77 UT: m1=7.9, Dia=3′, DC=6, Cola=8′; 15-cm T (44x); Carlos Labordena (Castellón, España)
2016 Dic. 28.76 UT: m1=7.8, Dia=2.5′, DC=6, no cola; 8-cm B (11x); Carlos Labordena (Castellón, España)
2016 Dec. 28.69 UT: m1=7.3, Dia.=2′, DC=7/; 20×80 B & 10-cm R (55x); Gabor Santa (Göd, Pest county, Hungary) [Tail= 4′ to PA: 80]
2016 Dec. 27.43 UT: m1=7.5, Dia.=2′, DC=6; 25-cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Outer coma diffuse, brightening to a well condensed centre, aqua-blue in colour. Enhances strongly in Swan Band filter. Faint tail traced to 13’ in P.A.: 078° approximately. Low altitude= 7.3°, slight interference by zodiacal light. Comparison stars checked using Tycho-2 data in Guide 9.0; Method= M; Cat= TK]
2016 Dec. 26.96 UT: m1=7.6, Dia.=3′, DC=5; 25X100 B; José G. de S. Aguiar (Campinas, Brasil)
2016 Dec. 26.96 UT: m1=7.3, Dia.=3′, DC=4/; 7X50 B; Marco Antonio Coelho Goiato (Araçatuba, Brazil) [Nautical Twilight, Sun altitude: -12 º /Comet altitude: 17 º]
2016 Dec. 26.77 UT: m1=7.3, Dia.=4′, DC=6/; 10×50 B; Juan José González (Alto del Castro, alt. 1720 m, León, España; Alt. 1720 m, 42º 54′ N, 5º 48′ W) [Método Morris. Estrellas de comparación Tycho-2 situadas a la misma altitud (9º) que el cometa. SQM zenital: 21.2. En 20-cm SCT (77x): Condensación central cuasi-estelar : m2=9.5:(Tycho-2), Cola: 1.6º en AP 80º. Luz zodiacal. Cielo muy claro de montaña]
2016 Dec. 25.97 UT: m1=7.8, Dia.=3′, DC=5; 25X100 B; José G. de S. Aguiar (Campinas, Brasil)
2016 Dec. 25.46 UT: m1=7.0; 25×100 B; David A. J. Seargent (Cowra, NSW, Australia) [Moderately enhanced through Swan band filter. Very low elevation. Magnitude estimate rather approximate]
2016 Dec. 23.96 UT: m1=8.4, Dia.=3′, DC=4/; 25X100 B; José G. de S. Aguiar (Campinas, Brasil)
2016 Dec. 23.76 UT: m1=8.2, Dia.=4.0′, DC=6; 20X80 B; J. P. Navarro Pina (El Palmar, Murcia, Spain) [Altitude 10º]
2016 Dic. 23.76 UT: m1=8.6, Dia=3′, DC=6, Cola=5′; 15-cm T (25x); Carlos Labordena (Castellón, España)
2016 Dic. 23.75 UT: m1=8.4, Dia=2.5′, DC=5, no cola; 8-cm B (11x); Carlos Labordena (Castellón, España)
2016 Dec. 22.75 UT: m1=8.3, Dia.=3.5′, DC=9; 30.5-cm L f/4,9 (47x); J. P. Navarro Pina (Campos del Rio, Murcia, Spain) [Very condensed, Lm=6.0, Beyer’s method, stellar catalog Tycho-2]
2016 Dec. 22.68 UT: m1=8.1, Dia.=3′, DC=6; 33-cm L (50x); Piotr Guzik (Koskowa Góra, Poland; Alt. 800 m, 49º 45′ N, 19º 47′ E) [Morris method used, comparison stars at the same low altitude as the comet. Very bright, greenish colour obvious in telescope. SQM: 20.9 at zenith]
2016 Dec. 22.68 UT: m1=7.8, Dia.=4′, DC=7; 10×50 B; Piotr Guzik (Koskowa Góra, Poland; Alt. 800 m, 49º 45′ N, 19º 47′ E) [Morris method used, comparison stars at the same low altitude as the comet. Comet easily seen in 10×50 binoculars thanks to exceptional transparency. SQM: 20.9 at zenith]
2016 Dec. 22.43 UT: m1=8.2, Dia.=1.8’, DC=6; 25-cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Outer coma diffuse and appears slightly elongated to the ENE approximately, brightening to a compact centre with a faint stellar central condensation. Low altitude = 9.0°; Windy conditions, interference by cloud blowing through from the East. Comparison stars checked using Tycho-2 data in Guide 9.0; Method= M; Cat= TK]
2016 Dic. 22.01 UT: m1=8.4, Dia.=2.5′, DC=5; 25-cm L f:4.5 (66x); Gonzalo Vargas (Cochabamba Bolivia) [La coma aparece más densa en el centro sin llegar a ser de tipo estelar, se aprecia el color verde agua, utilice un filtro SkyGlow que me permitió apreciar la coma con más detalle evitando la dispersión atmosférica de la luz de la lejanía del centro de la ciudad]
2016 Dec. 20.43 UT: m1=8.1, Dia.=2.4’, DC=6; 25-cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Coma shows a faint stellar central condensation, inner coma aqua-blue in colour and opaque, fading to edges. Enhances strongly in Swan Band filter. Slight interference by zodiacal light; Low altitude= 10.4°]
2016 Dec. 17.96 UT: m1=8.7, Dia.=2.5′, DC=5; 20X100 B; Marco Antonio Coelho Goiato (Araçatuba, Brazil) [Nautical Twilight]
2016 Dec. 17.77 UT: m1=8.5, Dia.=2′, DC=6; 25×100 B; Juan José González (Alto del Trichero – Soto y Amío, Alt. 1190 m, 42º 46′ N, 5º 53′ W, León, España) [En 20-cm SCT (77x): m1=8.7, Dia.=2.5′, DC=5/, Cola= 0.15º en AP: 80º; altura sobre el horizonte: 10º. Estimado con el método Morris. Estrellas de comparación Tycho-2 situadas a la misma altitud que el cometa. SQM zenital : 21.3. Cielo muy claro de montaña]
2016 Dec. 17.43 UT: m1=8.6, Dia.=1.5’, DC=6; 25-cm L f:5 (39x); Chris Wyatt (Walcha, NSW, Australia) [Coma well condensed, opaque in centre with small star-like central condensation, aqua-blue in colour. Enhances strongly in Swan Band filter. Low altitude = 12.2°]
2016 Dic. 17.01 UT: m1=9.2, Dia.=1.6′, DC=3; 25-cm L f/4.5 (66x); Gonzalo Vargas (Cochabamba, Bolivia)
2016 Dic. 12.74 UT: m1=10.4, Dia.=1.6′, DC=3; 30.5-cm L f/4,9 (94x); J. P. Navarro Pina (Campos del Rio, Murcia, Spain) [Full moon 115º dist. , Beyer Method’s]
2016 Dec. 03.36 UT: m1=11.0, Dia.=1.7′, DC=2; 40.0-cm L f/4.5 (144x); Seiichi Yoshida (Gunma, Japan)
2016 Dec. 04.43 UT: m1=11.1, Dia.=1.5’, DC=3; 25-cm L f:5 (83x); Chris Wyatt (Walcha, NSW, Australia) [Diffuse outer coma, brightening slightly to and opaque centre, weakly condensed. Pale blue in colour. Low altitude = 12.7°; Moonlight interference]
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°]

43P/Wolf-Harrington
2016 Dec. 30.16 UT: m1=14.7, Dia.=0.5’, DC=2; 60-cm L (305x); Sandor Szabo (Hungary)
2016 Dec. 29.21 UT: m1=12.4, Dia.=1.5′, DC=3; 35-cm L (62x); Jakub Cerny (Senohraby, Czech Republic)
2016 Dec. 26.19 UT: m1=12.0, Dia.=2′, DC=1/; 20-cm SCT (100x); Juan José González (Les Retuertes – Sierra del Aramo, alt. 1350 m, Asturias, España; Alt. 1350 m, 43º 10′ N, 5º 54′ W) [Método Sidgwick. Estrellas de comparación APASS. SQM zenital: 21.3. Cielo muy claro de montaña]
2016 Dec. 05.22 UT: m1=10.5, Dia.=3′, DC=2; 20-cm SCT (100x); Juan José González (Pico del Pozo de la Nieve – Sierra de la Bobia, alt. 1130 m, Asturias, España) [Luz zodiacal. Cielo muy claro de montaña]
2016 Dec. 02.82 UT: m1=13.3, Dia.=1.0′, DC=3; 40.0-cm L f/4.5 (144x); Seiichi Yoshida (Gunma, Japan)
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. 25.13 UT: m1=10.8, Dia=3′, DC=2, no cola; 20-cm SCT (50x); Carlos Labordena (Castellón, España)
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]

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]

10P/Tempel 2
2016 Jan. 08.74 UT: m1=11.8 DSLR, Dia.=1′; 1100d+300mm lens; Giuseppe Pappa (Sicily, Italy)

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)

2P/Encke
2016 Dec. 31.72 UT: m1=11.7, Dia.=4.0′, DC=1; 35-cm L (62x); Jakub Cerny (Senohraby, Czech Republic)
2016 Dec. 22.74 UT: m1=~13.5, Dia.=~2′, DC=1; 33-cm L (67x); Piotr Guzik (Koskowa Góra, Poland; Alt. 800 m, 49º 45′ N, 19º 47′ E) [Sidgwick method used. Visible as relatively large (possibly even a bit larger than the reported 2′ in diameter), very diffuse patch of light, next to small, 13 mag galaxy NGC 7242. SQM: 21.0 at zenith]
2016 Dec. 26.82 UT: m1=11.5, Dia.=4′, DC=1/; 20-cm SCT (100x); Juan José González (Alto del Castro, alt. 1720 m, León, España; Alt. 1720 m, 42º 54′ N, 5º 48′ W) [Método Sidgwick. Estrellas de comparación APASS. SQM zenital: 21.2. Cielo muy claro de montaña]
2016 Dec. 22.74 UT: m1=~13.5, Dia.=~2′, DC=1; 33-cm L (67x); Piotr Guzik (Koskowa Góra, Poland; Alt. 800 m, 49º 45′ N, 19º 47′ E) [Sidgwick method used. Visible as relatively large (possibly even a bit larger than the reported 2′ in diameter), very diffuse patch of light, next to small, 13 mag galaxy NGC 7242. SQM: 21.0 at zenith]
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)

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