C/2011 UF305 (LINEAR)

C/2011 UF305 (LINEAR)
2013 Jan. 11.86 UT: m1=13.8, Dia.=0.6′, DC=4... 50.8-cm L (189x)... Sandor Szabo (Hungary)
2013 Jan. 09.44 UT: m1=13.2 C ccd, Dia.=&1.8′, Tail= 6.5′ in PA 11: deg ... 11-cm R + CCD... Artyom Novichonok (remotely from Mayhill, U.S.A.)
2013 Jan. 09.22 UT: m1=15.2 ccd, Dia.=0.8′... 30.5-cm SCT... Jakub Cerny (robotic telescope FRAM, Malargue, Argentina)
2013 Jan. 08.13 UT: m1=15.5 ccd, Dia.=0.7′... 30.5-cm SCT... Jakub Cerny (robotic telescope FRAM, Malargue, Argentina)
2012 Dec. 13.19 UT: m1=12.8, Dia.=1.3′, DC=2... 40-cm L (153x)... Sandor Szabo (Sopron, Hungary) [Big, diffuse comet with small condensation]
2012 Nov. 24.81 UT: m1=12.9, Dia.=1.2′, DC=1/... 40.0-cm L f/4.5 (144x)... Seiichi Yoshida (Gunma, Japan)
2012 Nov. 18.22 UT: m1=14.0, DC=3... Visual 91-cm F:3.5... Jean-François Viens (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada)
2012 Sep. 17.04 UT: m1=12.5, Dia.=1.7′, DC=3... 35.6-cm L (133x)... Artyom Novichonok (Shadzhatmaz, Caucasus, Russia) [Diffuse, moderately bright]
2012 Sep. 16.03 UT: m1=13.3:, Dia.=2.2′, DC=3... 35.6-cm L (133x)... Artyom Novichonok (Shadzhatmaz, Caucasus, Russia)
2012 Sep. 15.80 UT: m1=11.5, Dia.=2.5′, DC=1/... 40.0-cm L f/4.5 (75x)... Seiichi Yoshida (Gunma, Japan)
2012 Sep. 13.03 UT: m1=13.3, Dia.=1.7′, DC=3... 35.6-cm L (133x)... Artyom Novichonok (Shadzhatmaz, Caucasus, Russia)
2012 Sep. 12.03 UT: m1=[12.5... 35.6-cm L (133x)... Artyom Novichonok (Shadzhatmaz, Caucasus, Russia) [Maybe seen, I’m not sure. I will do one more attempt in few days, after Moon]
2012 Aug. 22.16 UT: m1=10.3, Dia.=3.5′, DC=3... 20-cm SCT (100x)... Juan José González (Alto del Castro – Aralla, alt. 1720 m, León, España) [Altura sobre el horizonte: 13º. Cielo muy claro de montaña]
2012 Aug. 17.87 UT: m1=11.3, Dia.=1′, DC=3, no tail... 23.5-cm SCT (138x)... Carlos Labordena (Castellón, España)
2012 Aug. 09.92 UT: m1=10.0, Dia.=4′, DC=3... 20-cm SCT (77x)... Juan José González (Alto del Castro – Aralla, alt. 1720 m, León, España) [Altura sobre el horizonte: 12º. Cielo muy claro de montaña]
2012 July 22.94 UT: m1=10.3, Dia.=4.5′, DC=3... 20-cm SCT (77x)... Juan José González (Alto del Castro – Aralla, alt. 1720 m, León, España) [Mejores condiciones atmosféricas de observación permitieron realizar una estimación más brillante que la obtenida hace seis días: amplia coma con débil región exterior]
2012 July 20.90 UT: m1=11.5, Dia.=2′.2, DC=4... 35-cm reflector (73x)... Jakub Cerny (Korcula Island, Croatia)
2012 July 19.88 UT: m1=11.6, Dia.=1′.8, DC=5... 35-cm reflector (117x)... Jakub Cerny (Korcula Island, Croatia)
2012 July 16.96 UT: m1=10.7, Dia.=5′, DC=3/... 20-cm SCT (100x)... Juan José González (Pandorado, 1190 m alt., León, España) [Coma elongada]
2012 July 12.97 UT: m1=10.7, Dia.=4.5′, DC=3/... 20-cm SCT (100x)... Juan José González (Pandorado, 1190 m alt., León, España)
2012 July 23.86 UT: m1=11.9, Dia.=1.5′, DC=3... 20.3-cm L f:6 (63x)... Piotr Guzik (Szklary, Poland) [Method=M. Cat=TK]
2012 June 23.95 UT: m1=12.0, Dia.=1.4′, DC=5... 30-cm L f:5 (188x)... Mieczyslaw Leszek Paradowski (Dabrowa, Poland) [Comparison stars taken from APASS (AQ). Twilight... faintest star 14.04+/-0.12 mag (AQ) in FOV at 188x]
2012 June 22.89 UT: m1=11.7, Dia.=3.0′, DC=5... 25.4-cm reflector (60x)... Vyacheslav Ivanov (Melovoe, Russia)
2012 June 16.95 UT: m1=11.3, Dia.=1.5′, DC=3, no tail... 23.5-cm SCT (138x)... Carlos Labordena (Castellón, España)
2012 June 14.03 UT: m1=10.9, Dia.=2.5′, DC=3... 20-cm SCT (77x)... Juan José González (Alto del Castro, 1720 m alt., León, España)
2012 May  19.93 UT: m1=12.1, Dia.=1.1′, DC=5... 20.3-cm L f:6 (150x)... Mieczyslaw Leszek Paradowski (Dabrowa, Poland) [Comparison stars taken from APASS V-band photometry (AQ). Faintest star 14.6 mag (HS) in FOV at 150x. Motion observed in a 30-min period]
2012 May  18.91 UT: m1=12.0, Dia.=1.2′, DC=5... 25.4-cm reflector (60x)... Vyacheslav Ivanov (Melovoe, Russia)
2012 May  17.92 UT: m1=12.3, Dia.=1′, DC=3... 32-cm reflector (96x)... Uwe Pilz (Leipzig, Germany)
2012 May  14.92 UT: m1=11.2, Dia.=3.0′, DC=3... 20-cm SCT (100x)... Juan José González (Pandorado, 1190 m alt., León, España)
2012 May  13.99 UT: m1=[13.0, Dia.=!0.5′... 20.3-cm L f:6 (120x)... Mieczyslaw Leszek Paradowski (Dabrowa, Poland) [Comparison stars taken from APASS V-band photometry (AQ). VLmag=6.5 and the faintest star 14.0 (AQ) in FOV at 120x. Despite clear sky the comet was not seen]
2012 May  12.85 UT: m1=13.2, Dia.=0.7′, DC=6... 25.4 -cm reflector (60x)... Vyacheslav Ivanov (Melovoe, Russia)
2012 May  09.97 UT: m1=11.2, Dia.=2.5′, DC=3... 20-cm SCT (100x)... Juan José González (El Fito – Sierra del Sueve, 570 m alt., Asturias, España)
2012 Apr. 22.84 UT: m1=11.8, Dia.=1´, DC=1... 32-cm L f:5 (120x)... Uwe Pilz (Leipzig, Alemania)
2012 Apr. 21.82 UT: m1=13.3, Dia.=0.7′, DC=5... 21.0-cm Cassegrain... M.-T. Hui (Mt. Mulan, Wuhan, China)
2012 Mar. 28.15 UT: m1=14.2, Dia.=0.3′, DC=7... 20-cm SCT (200x)... Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España)[Estrellas de campo comprobadas en el DSS. Estrellas de comparación de la fotometría Henden, campo de SS Cyg. Movimiento seguido durante 20 min. Cielo muy claro de montaña]