C/2011 J2 (LINEAR)

C/2011 J2 (LINEAR)
2015 Oct. 04.58 UT: m1=16.5: CCD, Dia.=&0.4′... [T31] 0.50-m f/6.8 astrograph + CCD + focal reducer... A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely from Siding Spring, Australia)
2015 Sep. 06.92 UT: m1=15.5, Dia.=0.15′, DC=4... 60.3-cm L (305x)... Sandor Szabo (Sopron, Hungary)
2015 Aug. 16.90 UT: m1=16.2: CCD, Dia.=0.4′, Tail= 0.6′ in PA: 36 deg ... 0.07-m f/6 refractor + CCD... A. Novichonok, K. Nezgovorov & T. Prystavski (Petrozavodsk State University Observatory, C30 Sheltozero Stn., Russia)
2015 July 22.01 UT: m1=[15.5, NEGATIVE... 60.3-cm L (406x)... Sandor Szabo (Sopron, Hungary)
2015 Feb. 06.07 UT: m1=15.3: CCD, Dia.=0.6′, Tail= 0.8′ in PA: 32 deg ... [T20] 0.1-m f/5.0 astrograph + CCD... A. Novichonok & T. Prystavski (iTelescope observatory, H06 remotely from Mayhill, U.S.A.)
2015 Jan. 08.77 UT: m1=15.4 CCD, Dia.=0.7′ Tail=&1.7′ in PA: 38 deg ... [T16] 0.15-m f/7.3 refractor + CCD... A. Novichonok & T.Prystavski (AstroCamp Observatory, I89 remotely from Nerpio, Spain)
2014 Dec. 19.83 UT: m1=15.3 CCD, Dia.=0.60′, Tail=&1.7′ in PA: 42 deg ... [T16] 0.15-m f/7.3 refractor + CCD... A. Novichonok & T. Prystavski (AstroCamp Observatory, I89 remotely from Nerpio, Spain)
2014 Nov. 18.08 UT: m1=15.0 CCD, Dia.=0.6′, Tail= 1.9′ in PA: 30 deg ... [T20] 0.1-m f/5.0 refractor + CCD... A. Novichonok & T. Prystavski (iTelescope observatory, H06, remotely from Mayhill, U.S.A.)
2014 Oct. 27.97 UT: m1=15.2, Dia.=0.6’, DC=4... 50.8-cm L (245x)... Sandor Szabo (Stuhleck, Austria)
2014 Oct. 01.15 UT: m1=14.3: CCD, Dia.=&0.9′, Tail=&1.0′ in PA: 12 deg ... [T21] 0.43-m f/6.8 astrograph + CCD + f/4.5 focal reducer... A. Novichonok & T.Prystavski (iTelescope observatory, H06, remotely Mayhill, U.S.A.)
2014 Oct. 04.00 UT: m1=14.2, Dia.=0.4′, DC=7/... 35-cm L (239x)... Jakub Cerny (Zachotin, Czech Republic)
2014 Sep. 28.03 UT: m1=14.3, DC=2... Visual 36″ F/3.5... Jean-François Viens (Cd’OA des Monts Notre-Dame, Québec, Canada)
2014 Sep. 22.45 UT: m1=14.7, Dia.=0.8′, DC=3... 40-cm L f/4.5 (257x)... Seiichi Yoshida (Gunma, Japan)
2014 Aug. 31.46 UT: m1=13.9 CCD, Dia.=1.0′, Tail=&1.1′ in PA: 3 deg ... 0.11-m f/5.0 refractor + CCD... A. Novichonok & T. Prystavski (iTelescope observatory, H06, remotely Mayhill, U.S.A.)
2014 Aug. 30.08 UT: m1=15.2 CCD... Dia.=0.6’... CCD images unfiltered... Pierre Laporte (Cd’OA des Monts Notre-Dame, Québec, Canada)
2014 Aug. 28.88 UT: m1=14.3, Dia.=0.7′, DC=5... 35-cm L (239x)... Jakub Cerny (Zachotin, Czech Republic)
2014 Aug. 28.05 UT: m1=14.3, Dia.=0.5’, DC=5... 50.8-cm L (307x)... Sandor Szabo (Hungary)
2014 Aug. 27.94 UT: m1=14.2, Dia.=1.1′, DC=2/... 35-cm L (239x)... Jakub Cerny (Zachotin, Czech Republic)
2014 Aug. 24.15 UT: m1=14.5, DC=3... Visual, 36″ F/3.5... Jean-François Viens (Cd’OA des Monts Notre-Dame, Québec, Canada)
2014 Aug. 15.31 UT: m1=15.3 CCD, Dia.=0.2’... CCD images unfiltered... Clermont Vallière (Cd’A des Monts Notre-Dame, Québec, Canada)
2014 Aug. 05.03 UT: m1=13.6, Dia.=0.7′, DC=6... 35-cm L (239x)... Jakub Cerny (Czech Republic)
2014 Aug. 03.01 UT: m1=13.5, Dia.=0.93′, DC=5... 30-cm L f/5 (188x)... Mieczyslaw Leszek Paradowski (Dabrowa, Poland) [Cat. APASS (AQ)]
2014 Aug. 02.99 UT: m1=13.8, Dia.=0.9′, DC=5/... 35-cm L (239x)... Jakub Cerny (Czech Republic)
2014 Aug. 01.03 UT: m1=13.2, Dia.=1.2′, DC=4... 32-cm L f/5 (96x)... Uwe Pilz (Leipzig, Germany)
2014 July 25.97 UT: m1=13.7, Dia.=0.6’, DC=5... 50.8-cm L (189x)... Sandor Szabo (Hungary)
2014 July 25.96 UT: m1=13.9, Dia.=1.3′, DC=5... 35-cm L (239x)... Jakub Cerný (Czech Republic)
2014 July 23.96 UT: m1=13.7, Dia.=0.9′, DC=4... 35-cm L (239x)... Jakub Cerný (Czech Republic)
2014 July 19.94 UT: m1=13.4, Dia.=0.8′, DC=5... 35-cm L (239x)... Jakub Cerný (Czech Republic)
2014 July 18.94 UT: m1=13.7, Dia.=1.0′, DC=5/... 35-cm L (239x)... Jakub Cerný (Czech Republic)
2014 June 25.37 UT: m1=13.8 CCD, Dia.=0.6′, Tail= 0.7′ in PA: 343 deg ... 0.11-m f/5.0 refractor + CCD... A. Novichonok & T. Prystavski (iTelescope observatory, H06 Remotely from Mayhill, U.S.A.)
2014 June 04.42 UT UT: m1=13.6 CCD, Dia.=0.99′, Tail=<5′ in PA: 20 deg ... 0.11-m f/5.0 refractor + CCD... A. Novichonok & T. Prystavski (iTelescope observatory, H06 remotely Mayhill, U.S.A.) [tail length is hard to measure due to several stars shining in comet’s tail]
2014 May  27.43 UT: m1=13.5 CCD, Dia.=1.15′, Tail= 1.3′ in PA 28 deg ... 0.1-m f/5.0 astrograph + CCD... A. Novichonok & T. Prystavski (iTelescope observatory, H06 remotely Mayhill, U.S.A.)
2014 Mar. 30.41 UT: m1=[13.5, negative... 30.5-cm L f/4.9 (250x)... Todd Augustyniak (Harmon, Illinois, USA) [Not visible... low, less than 17 degrees above horizon]
2014 Mar. 29.13 UT: m1=13.9, Dia.=0.4′, DC=2... 50.8-cm L (250x)... Sandor Szabo (Sopron, Hungary)
2014 Feb. 28.78 UT: m1=13.2, Dia.=0.3′, DC=6... 32-cm L f/5 (144x)... Uwe Pilz (Leipzig, Germany)
2014 Feb. 21.09 UT: m1=13.4 CCD, Dia.=0.9′... 0.1-m f/5.0 astrograph + CCD... A. Novichonok & T. Prystavski (iTelescope observatory, H06. Remotely Mayhill, U.S.A.))
2014 Jan. 28.09 UT: m1=13.2 CCD, Dia.=1.21′, Tail= 2.6′ in PA: 16 deg ... 0.1-m f/5.0 astrograph + CCD... A. Novichonok & T. Prystavski (iTelescope observatory, H06. Remotely Mayhill, U.S.A.)
2013 Dec. 05.00 UT: m1=12.8, Dia.=1.2′, DC=5... 20-cm SCT (133x)... Juan José González (Cueto Rosales – Riello, alt. 1420 m, León, España) [Estrellas de campo comprobadas en el DSS. Estrellas de comparación de la fotometría APASS cercana al cometa]
2013 Dec. 04.88 UT: m1=12.8 CCD, Dia.=1.8′, Tail= 1.5′ in PA: 268 deg ... 0.078-m f/1.7 camera lens + CCD... S. Korotkiy & T. Prystavski (Ka-Dar observatory, TAU station, remotely Nizhniy Arkhyz, Russia)
2013 Nov. 27.83 UT: m1=13.5, Dia.=1.1′, DC=5... 50.8-cm L (189x)... Sandor Szabo (Sopron, Hungary)
2013 Nov. 12.10 UT: m1=13.7, Dia.=1.1′, DC=4... 42-cm L f:5 (162x)... Martin Lehky (Czech Republic)
2013 Nov. 08.11 UT: m1=13.9, Dia.=0.8′, DC=3... 40-cm L (302x)... Timo Karhula (Åkesta Observatory, Västerås, Sweden)
2013 Nov. 08.05 UT: m1=13.3, Dia.=1.1′, DC=5... 50.8-cm L (189x)... Sandor Szabo (Sieggraben, Austria)
2013 Oct. 13.77 UT: m1=13.9, Dia.=0.9′, DC=4... 40.0-cm L f/4.5 (144x)... Seiichi Yoshida (Gunma, Japan)
2013 Oct. 12.77 UT: m1=13.4, Dia.=0.8′, DC=4... 40.0-cm L f/4.5 (144x)... Seiichi Yoshida (Gunma, Japan)
2013 Oct. 11.76 UT: m1=13.8, Dia.=0.8′, DC=3... 40.0-cm L f/4.5 (144x)... Seiichi Yoshida (Gunma, Japan)
2013 Oct. 04.09 UT: m1=14.4, Dia.=0.4′, DC=5... 50.8-cm refl. (245x)... Sandor Szabo (Hungary)
2013 Oct. 03.46 UT: m1=13.9 CCD, Dia.=0.94′, Tail= 1.5′ in PA: 177 deg ... 0.11-m f/5.0 refractor + CCD... A. Novichonok & T.Prystavski (iTelescope observatory, H06. Remotely Mayhill, U.S.A.)
2013 Sep. 14.42 UT: m1=13.8, Dia.=0.6′, DC=5/... 45.7-cm L f/4.2 (318x)... Todd Augustyniak (Green River State Wildlife Area, Harmon, Illinois, USA) [relatively easy to see for a faint comet... condensed]
2013 Sep. 07.05 UT: m1=14.0, Dia.=0.8′, DC=2... 50.8-cm L (250x)... Sandor Szabo (Hungary)
2013 June 29.16 UT: m1=15.1:CCD, Dia.=&0.5′... 0.11-m f/5.0 refractor + CCD... A. Novichonok & T.Prystavski (iTelescope observatory H06. Remotely Mayhill, U.S.A.) [Observations may contain uncertainty due to slight haze in air]
2013 June 11.91 UT: m1=14.5, Dia.=0.5′, DC=4... 50.8-cm L (189x)... Sandor Szabo (Hungary)
2013 June 01.15 UT: m1=14.5 CCD, Dia.=0.75′, Tail= 1.3′ in PA: 131 deg ... 0.11-m f/5.0 refractor + CCD... A. Novichonok & T.Prystavski (iTelescope observatory, H06, remotely Mayhill, U.S.A.))
2013 May  28.09 UT: m1=15.3 CCD, Dia.=0.3’, Tail= 0,9′... CCD images unfiltered... Clermont Vallière (Cd’OA des Monts Notre-Dame, Québec, Canada)
2013 May  10.96 UT: m1=14.1, Dia.=0.7′, DC=5... 20-cm SCT (133x)... Juan José González (Alto del Castro – Aralla, alt. 1720 m, León, España) [Estrellas de campo comprobadas en el DSS. Estrellas de comparación de la fotometría APASS cercana al cometa. Cielo muy claro de montaña]
2013 Abr. 22.09 UT: m1=15.6 CCD, Dia.=0.5’, Tail= 0,8′ PA: 124°... Measures taken on CCD images unfiltered... Clermont Vallière (Cd’OA des Monts Notre-Dame, Québec, Canada)
2013 Mar. 04.88 UT: m1=14.5, Dia.=0.7’, DC=4... 50.8-cm reflector (250x)... Sandor Szabo (Sopron, Hunagry)
2013 Feb. 28.81 UT: m1=14.3, Dia.=0.6′, DC=2... 40-cm reflector (250x)... Sandor Szabo  (Sopron, Hunagry)
2013 Jan. 09.46 UT: m1=15.0 C CCD, Dia.=0.5′, Tail= 0.5′ in PA: 192 deg ... 11-cm R + CCD... Artyom Novichonok (remotely from Mayhill, U.S.A.)
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