C/2014 W2 (PANSTARRS)

C/2014 W2 (PANSTARRS)
Reported observations:
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 Aug. 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 Aug. 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)
2015 Dec. 29.88 UT: m1=12.5 DSLR, Dia.=1′... canon 1100d+300mm lens... Giuseppe Pappa (Mascalucia, Sicily, Italy)
2015 Dec. 29.79 UT: m1=11.1, Dia.=1.5′, DC=2... 11.4-cm L f/8 (45x)... Neil Norman (Ipswich, England)
2015 Dec. 08.84 UT: m1=11.9, Dia.=2′, DC=2... 20.0-cm SCT (80x)... Carlos Labordena (Castellón, España)
2015 Dec. 06.72 UT: m1=12.5 DSLR, Dia.=1.5′... digital reflex+0.3m lens... Giuseppe Pappa (Sicily, Italy)
2015 Dec. 03.77 UT: m1=12.7 DSLR, Dia.=1′... digital reflex+0.3m lens... Giuseppe Pappa (Sicily, Italy)
2015 Nov. 30.83 UT: m1=11.1, Dia.=4′, DC=2/: 20-cm SCT (77x)... Juan José González (Alto del Trichero – Soto y Amío, alt. 1190 m, León, España)
2015 Nov. 30.72 UT: m1=13.0 DSLR, Dia.=1′... digital reflex+0.3m lens... Giuseppe Pappa (Sicily, Italy)
2015 Nov. 23.23 UT: m1=11.0, Dia.=4′, DC=2/... 20-cm SCT (77x)... Juan José González (Peña Nebina – Ferreruela de Tábara, alt. 970 m, Zamora, España) [Débil coma externa. Cielo muy claro de montaña]
2015 Nov. 20.69 UT: m1=12.4, Dia.=1.1′, DC=5... 40.0-cm L f/4.5 (144x)... Seiichi Yoshida (Gunma, Japan)
2015 Nov. 16.90 UT: m1=13.0, Dia.=1.0′, DC=6... 30.5-cm L f/4.9 (120x)... J. P. Navarro Pina (El Ardal Bullas 550 mts, Murcia, Spain)
2015 Nov. 14.91 UT: m1=11.6, Dia.=2′, DC=2, no tail... 20-cm SCT (80x)... Carlos Labordena (Castellón, España)
2015 Nov. 11.90 UT: m1=13.7, Dia.=0.5′, DC=5... 50.8-cm L (189x)... Sandor Szabo (Sopron, Hungary)
2015 Nov. 08.89 UT: m1=11.9, Dia.=1′, DC=1... 30.5-cm L F/4.9 (120x)... J.P. Navarro Pina (El Palmar, Murcia, Spain)
2015 Nov. 07.90 UT: m1=11.2, Dia.=2.2′, DC=2/... 20-cm SCT (100x)... Juan José González (Alto del Cellerón – Camposagrado, alt. 1190 m, León, España) [Más brillante que lo previsto. Débil coma externa. Cielo muy claro de montaña]
2015 Nov. 03.71 UT: m1=[13.4, negative... 20-cm L (222.2x)... Artyom Novichonok (Konchezero station, Russia)
2015 Oct. 15.10 UT: m1=12.8, Dia.=0.6′, DC=4... 20-cm SCT (133x)... Juan José González (Alto del Castro, alt. 1720 m, León, España) [Estrellas de comparación tomadas de la fotometría APASS cercana al cometa]
2015 Sep. 28.46 UT: m1=13.4: CCD, Dia.=&0.8′, Tail=&1.9′ in PA: 243 deg ... [T20] 0.1-m f/5.0 astrograph + CCD... A. Novichonok & T. Prystavski (iTelescope observatory, H06 remotely from Mayhill, U.S.A.) [interference by Moon: Moon phase 1.00, altitude 28 deg.]
2015 Sep. 13.43 UT: m1=14.2 CCD, Dia.=0.8′, Tail=&1.7′ in PA: 223 deg ... [T20] 0.1-m f/5.0 astrograph + CCD... A. Novichonok & T. Prystavski (iTelescope observatory, H06 remotely from Mayhill, U.S.A.)
2015 Sep. 06.93 UT: m1=14.4, Dia.=0.6′, DC=3... 60.3-cm L (305x)... Sandor Szabo (Sopron, Hungary)
2015 Aug. 16.88 UT: m1=14.9 CCD... 0.07-m f/6 refractor + CCD... A. Novichonok, K. Nezgovorov & T. Prystavski (Petrozavodsk State University Observatory, C30 Sheltozero Stn., Russia)
2015 Aug. 15.01 UT: m1=15.3, Dia.=0.25′, DC=2... 60.3-cm L (305x)... Sandor Szabo (Sopron, Hungary) [Moving was checked]
2015 Apr. 09.11 UT: m1=15.6 CCD... [T20] 0.1-m f/5.0 astrograph + CCD... A. Novichonok & T. Prystavski (iTelescope observatory, H06 remotely from Mayhill, U.S.A.)
2015 Mar. 28.12 UT: m1=15.9 CCD, Dia.=0.41′... [T20] 0.1-m f/5.0 astrograph + CCD... A. Novichonok & T. Prystavski (iTelescope observatory, H06 remotely from Mayhill, U.S.A.)
2015 Mar. 23.77 UT: m1=16.5 CCD + R filter, Dia.=16″, DC 5, Tail=20″ in PA: 125 deg ... 70-cm f/4 L + CCD... Alexander Baransky (Kyiv comet station)
2015 Mar. 18.81 UT: m1=[15.3 NEGATIVE... 50.8-cm L (307x)... Sandor Szabo (Sopron, Hungary)
2015 Jan. 10.79 UT: m1=16.7: CCD, Dia.=&0.4′... [T16] 0.15-m f/7.3 refractor + CCD... A. Novichonok & T.Prystavski (AstroCamp Observatory, I89, remotely from Nerpio, Spain)
2014 Dec. 26.90 UT: m1=16.9 CCD... [T16] 0.15-m f/7.3 refractor + CCD... A. Novichonok & T. Prystavski (AstroCamp Observatory, I89 remotely from Nerpio, Spain)
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