40P/Vaisala

40P/Vaisala
Reported observations:
2015 May  21.02 UT: m1=17.8 CCD + R filter, Dia.=11″, DC=3s, Fantail=16″ in PA: 267-40 deg ... 70-cm f/4 L + CCD... Alexander Baransky (Kyiv comet station MPC 585, Ukraine)
2015 Mar. 28.47 UT: m1=16.7 CCD, Dia.=0.3′ ... [T20] 0.1-m f/5.0 astrograph + CCD... A. Novichonok & T. Prystavski (iTelescope observatory, H06 remotely from Mayhill, U.S.A.)
2015 Feb. 18.10 UT: m1=16.4 CCD + R filter, Dia.=16″, DC 5, Tail= 50″ in PA: 236-306 deg ... 70-cm f/4 L + CCD... Alexander Baransky (Kyiv comet station MPC 585, Ukraine) [Conical tail]
2015 Feb. 15.49 UT: m1=16.6 CCD, Dia.=0.3′ ... [T20] 0.1-m f/5.0 astrograph + CCD... A. Novichonok & T. Prystavski (iTelescope observatory, H06 remotely from Mayhill, U.S.A.)
2015 Jan. 06.51 UT: m1=15.6: CCD, Dia.=&0.4′ ... [T20] 0.1-m f/5.0 astrograph + CCD... A. Novichonok, T.Prystavski, N. Teymurov (iTelescope observatory, H06 remotely from Mayhill, U.S.A.) [interference by Moon: Moon phase 0.98, altitude 33 deg]
2014 Dec. 20.52 UT: m1=15.6 CCD, Dia.=0.42′, Tail=&1.3′ in PA: 292 deg ... [T20] 0.11-m f/5.0 refractor + CCD... A. Novichonok, T. Prystavski, N. Teymurov (iTelescope observatory, H06 remotely Mayhill, U.S.A.)
2014 Nov. 25.52 UT: m1=15.5 CCD, Dia.=0.4′, Tail=&1.2′ in PA: 276 deg ... [T20] 0.1-m f/5.0 astrograph + CCD... A. Novichonok & T. Prystavski (iTelescope observatory, H06, remotely from Mayhill, U.S.A.)
2004 Apr. 27.99 UT: m1=16.0 CCD, Dia.=0.5', DC=2 ... 15-cm L (1/5) ... Sergey E. Shurpakov (Baran', Belarus)
2004 Apr. 26.98 UT: m1=16.5 CCD, Dia.=0.5', DC=2 ... 15-cm L (1/5) ... Sergey E. Shurpakov (Baran', Belarus) [The comet weak object to uniform brightness]
2004 Apr. 20.03 UT: m1=16.2, Dia.=0.75', DC=2 ... 15-cm L (1/5) ... Sergey E. Shurpakov (Baran', Belarus)
2004 Apr. 15.71 UT: m1=[14.0, Dia.=0.5' ... 41-cm L (200x) ... Andrew Pearce (Noble Falls, Western Australia)
2004 Apr. 15.30 UT: m1=14.9 CCD V, Dia.=0.38' ... 41-cm T (f/6.3) + ST-9E CCD + V filter ... Charles S. Morris (Dream Weaver Observatory, Fillmore, CA)
2004 Apr. 14.30 UT: m1=15.1 CCD, Dia.=19", DC=4/9 ... 0.41m SCT/CCD ... P. Clay Sherrod, (ASO - Petit Jean H41) [A very faint tail nearly due west of a quite diffuse and open coma; very little central condensation]
2004 Apr. 14.02 UT: m1=15.8 CCD, Dia.=0.4', DC=4 ... 15-cm L (1/5)+CCD ... Sergey E. Shurpakov (Baran', Belarus)
2004 Apr. 01.41 UT: m1=14.7 CCD, Dia.=25", DC=6/9 ... 0.41-m SCT/CCD ... P. Clay Sherrod, (ASO - Petit Jean H41) [A very fine and broad fanned tail west of the coma; spanning 252-310 deg. PA; coma, not round but conforming to shape of tail, is sharply differentiated in brightness, with the inner half markedly brighter (*m2=16.9CCD)]
2004 Mar. 25.83 UT: m1=[14.0, Dia.=0.5' ... 41-cm L (200x) ... Andrew Pearce (Noble Falls, Western Australia) {Normally I don't post fainter than observations, particularly at this brightness, but given the interest in CCD vs. visual magnitudes I decided to post this observation. csm}
2004 Mar. 21.45 UT: m1=14.8 CCD, Dia.=20", DC=6/9 ... 0.41m SCT/CCD ... P. Clay Sherrod (ASO - Petit Jean H41) [Two fine tail streamers, PA 278 and 299 deg,; the latter is the longest, about 4'length; tail arches as it emanates eastward from coma (*m2=16.8CCD)]
2004 Feb. 16.40 UT: m2=15.9 CCD, Dia.=n/a, DC=4/9 ... 0.41m SCT/CCD ... P. Clay Sherrod (ASO - Petit Jean H41) [Very vague, difficult with only a slight concentration for astrometric centroid]
2003 Nov. 30.45 UT: m1=15.2 CCD, Dia.=13", DC=4/9 ... 0.41m SCT/CCD ... P. Clay Sherrod (ASO - Petit Jean H41) [Comet is very low in SE sky with haze; coma is open and diffuse with slight central conds.; very fine fan tail to NW of coma (*m2-17.0CCD) in very star-poor field]
2003 Nov. 30.45 UT: m1=15.2 CCD, Dia.=13", DC=4/9 ... 0.41-m SCT/CCD ... P. Clay Sherrod (ASO - Petit Jean H41) [Comet is very low in SE sky with haze; coma is open and diffuse with slight central conds.; very fine fan tail to NW of coma (*m2-17.0CCD) in very star-poor field]
2003 Nov. 24.44 UT: m1=15.9 CCD, Dia.=13", DC=4/9 ... 0.41-m SCT/CCD ... P. Clay Sherrod, (ASO - Petit Jean H41) [Comet very low in SE sky with some haze; no tail noted and coma appears very large, quite open, for such conditions]
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