C/2008 FK75 (Lemmon-Siding Spring)

C/2008 FK75 (Lemmon-Siding Spring)
2012 Nov. 11.93 UT: m1=17.7 CCD, Dia.=0.3’... Clermont Vallière (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada)
2012 Oct. 24.05 UT: m1=18.4 CCD, Dia.=0.1’... Clermont Vallière (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada)
2012 Oct. 13.06 UT: m1=17.1 CCD, Dia.=0.2’... Clermont Vallière (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada)
2012 Oct. 09.06 UT: m1=17.7 CCD, Dia.=0.2’... Clermont Vallière (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada)
2010 Sep. 12.19 UT: m1=14.9 CCD, Dia.=0.6′... 21-cm L +CCD... Artyom Novichonok & Dimitry Chestnov (remotely Mayhill, U.S.A.)
2010 Sep. 09.72 UT: m1=14.3 CCD, Dia.=0.6′... 11-cm L +CCD... Artyom Novichonok (Kondopoga, Russia) & Evgeny Plyaschenko (Petropavlovsk, Kazakhstan)
2010 Aug. 24.82 UT: m1=15.0 CCD, Dia.=0.5′, DC=3... 25-cm L +CCD +Rc filter... Toni Scarmato (Calabria, Italia)
2010 Aug. 07.53 UT: m1=[14.8... 40.0-cm L f/4.5 (257x)... Seiichi Yoshida (Gunma, Japan) [The sky is very clear and very faint background stars are visible. But unexpectedly, the comet is not visible, although it was reported as 14 mag with a fine shAP:e recently by CCD observations]
2010 Aug. 07.96 UT: m1=14.7 CCD, Dia.=0.5′, DC=3... 25-cm L +CCD +Rc filter... Toni Scarmato (Calabria, Italia)
2010 July 29.81 UT: m1=15.2 CCD, Dia.=0.5′, DC=3... 25-cm L +CCD +Rc filter... Toni Scarmato (Calabria, Italia)
2010 July 28.82 UT: m1=15.0 CCD, Dia.=0.5′, DC=3... 25-cm L +CCD +Rc filter... Toni Scarmato (Calabria, Italia)
2010 July 10.84 UT: m1=15.5 CCD, Dia.=0,5′, DC=4... 25-cm L +CCD +Rc filter... Toni Scarmato (Calabria, Italia)
2010 July 09.80 UT: m1=15.3 CCD, Dia.=0.5′, DC=4... 25-cm L +CCD +Rc filter... Toni Scarmato (Calabria, Italia)
2010 July 08.82 UT: m1=14.2 CCD, Dia.=0.5′, DC=5... 25-cm L +CCD +Rc filter... Toni Scarmato (Calabria, Italia) [I detect a probably activity of the comet the AP:pear to confirm my observation on 20100630: ”Possible outburst or an effect due to the star’s color used. Since my last observation the comet AP:pear to increase the brigthness of 1 magnitude, but I must to note that the star used is TYC 3095:1604:1, Mv=11.892, B-V=+1.0150, Merr=+0.160, (K2).” This evening the star used is Tyc 3095:891:1, Mv=11.636, B-V=+0.4710, Merr=+0.1280. The magnitude increased of 0.5 mag and the afrho value of about 50% since my last observation, from value of 1373 -cm to value of 2040 -cm for the same AP:erture of 0.5′ corresponding to 48701 km of radius. The comet show a dust tail in PA 210 deg long 4′.]
2010 June 30.82 UT: m1=14.7 CCD, Dia.=0.5′, DC=6... 25-cm L +CCD +Rc filter... Toni Scarmato (Calabria, Italia) [Possible outburst or an effect due to the star’s color used. Since my last observation the comet AP:pear to increase the brigthness of 1 magnitude, but I must to note that the star used is TYC 3095:1604:1, Mv=11.892, B-V=+1.0150, Merr=+0.160, (K2).]
2010 June 17.96 UT: m1=15.6 CCD, Dia.=0.5′, DC=3... 25-cm L +CCD +Rc filter... Toni Scarmato (Calabria, Italia)
2010 June 15.19 UT: m1=16.3 CCD, Dia.=0.39′, DC=8/, Tail= 3′ in PA: 229 deg ... 36-cm L f/3.8 +CCD... Sergey Shurpakov (Baran’, Belarus)
2010 June 14.17 UT: m1=16.1 CCD, Dia.=0.35′, DC=8/, Tail= 5′ in PA: 226 deg ... 36-cm L f/3.8 +CCD... Sergey Shurpakov (Baran’, Belarus)
2010 June 13.22 UT: m1=15.6 CCD, Dia.=0.38′, DC=8, Tail= 2′ in PA: 221 deg ... 36-cm L f/3.8 +CCD... Sergey Shurpakov (Baran’, Belarus)
2010 June 10.34 UT: m1=16.0 CCD, Dia.=0.39′, DC=8/... 36-cm L f/3.8 +CCD... Sergey Shurpakov (Baran’, Belarus)
2010 June 07.87 UT: m1=15.6 CCD, Dia.=0.5′, DC=3... 25-cm L +CCD +Rc filter... Toni Scarmato (Calabria, Italia)
2010 June 06.18 UT: m1=16.2 CCD, Dia.=0.39′, DC=8, Tail= 2.7′ in PA: 227 deg ... 36-cm L f/3.8 +CCD... Sergey Shurpakov (Baran’, Belarus)
2010 Apr. 10.17 UT: m1=14.5, Dia.=0.8′, DC=6... 20-cm SCT (160x)... Juan José González (Cueto Rosales – Riello, alt. 1420 m., León, España) [Estrellas de campo comprobadas en el DSS. Estrellas de comparación de la secuencia Henden de HS687]
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