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* * * * * 213P/Van Ness * * * * *
Year Mn Day MM Mag Ref Scope Pwr coma DC tail p.a. Obs Site 2017 9 25.48 S[12.7 AU 40.0L 257 !0.5 YOS Kita-karuizawa, Gunma (Not visible. Through thin clouds and the transparency was bad.) 2017 8 14.46 M 13.5 AQ 25.0L 83 0.8 3 WYA Walcha, NSW (Coma diffuse, difficult due to crowded field.) 2017 8 11.46 S 13.9:AQ 40.6L 260 0.4 3 CAM Katherine, NT (Involved with 14th mag star, m1 somewhat uncertain.) 2017 8 10.46 S 13.7 AQ 40.6L 260 0.5 3 CAM Katherine, NT 2017 7 27.56 S 13.8 AQ 40.6L 260 0.6 3 CAM Katherine, NT 2017 7 24.53 S 13.5 AQ 40.6L 260 0.6 3 CAM Katherine, NT 2017 7 20.52 S 13.0 AQ 40.6L 165 1.0 2 CAM Katherine, NT 2017 7 5.76 S 13.5 AQ 25.0L 83 0.7 2 WYA Walcha, NSW (Coma diffuse.) 2017 6 30.64 S 13.6 AQ 25.0L 83 0.4 3 WYA Walcha, NSW (Coma small and diffuse. Slight brightening to centre.) 2017 6 26.53 S 13.9 AQ 40.6L 260 0.6 3 CAM Katherine, NT 2017 6 21.79 S 14.0 AQ 40.6L 260 0.6 3 CAM Katherine, NT
2011 11 24.55 S[13.6 TA 40.0L 144 !1.0 YOS Kita-karuizawa, Gunma (Not visible. On Nov. 25, I found a stellar object at the position, which is not recorded in my star chart with GSC. So I expected that it was in a new outburst. But actually, after I came back home, I found there is a 14.9 mag star at the position in the USNO-A2.0 catalog.) 2011 11 17.83 S 11.0 TK 20.3T 77 6 1/ GON Angliru - Sierra del Aramo, Asturias (Large and diffuse coma with faint outer region. Nearby field stars checked in DSS.) 2011 10 23.812 S 13.8 AU 30.5T 95 0.8 2/ DIJ Burlage 2011 10 23.808 S 13.7 AU 30.5T 95 0.9 2 BOU Burlage, Germany 2011 10 20.95 S 11.5 TK 20.3T 77 4 2 GON Alto del Castro - Aralla, León 2011 10 1.915 S 13.5 TA 30.5T 145 0.6 2 DIJ Burlage 2011 10 1.910 S 13.3 TA 30.5T 145 1.0 2 BOU Burlage, Germany 2011 10 1.07 S 11.2 TK 20.3T 77 4 2 GON Alto del Castro - Aralla, León 2011 9 29.862 S 13.2 TA 30.5T 117 1.0 1/ BOU Burlage, Germany 2011 9 29.858 S 12.8 TA 30.5T 117 1.1 1 DIJ Burlage 2011 9 28.10 S 11.2 AU 22.0L 160 2 3 GOI Araçatuba 2011 9 25.02 S 13.3 HS 40.7L 135 1.3 2 BIV Ambeyrac 2011 9 24.89 S 11.0 TK 20.3T 77 5 2/ GON Alto del Castro - Aralla, León 2011 9 23.85 S 13.4 HS 40.7L 135 1.0 3 BIV Ambeyrac 2011 9 22.94 S 13.1 HS 40.7L 71 1.5 3 BIV Ambeyrac 2011 9 19.91 S 11.0 TK 20.3T 77 5 2/ GON Alto del Castro - Aralla, León 2011 9 7.07 S 11.2 TK 20.3T 77 4 3 GON Alto del Castro - Aralla, León 2011 9 1.19 S 11.8 AU 22.0L 160 1.5 2 GOI Araçatuba 2011 8 29.95 S 12.9 HS 40.7L 71 1.2 3 0.03 240 BIV Vaoldrôme 2011 8 27.95 S 13.6 HS 40.7L 135 1.2 3 BIV Vaoldrôme 2011 8 26.98 S 11.2 TK 20.3T 77 3 3/ GON Alto del Castro - Aralla, León (Elongated coma.) 2011 8 25.85 S 13.8 UD 25.4L 171 1.0 3 IVA Saratov 2011 8 25.04 S 13.4 HS 40.7L 71 1.5 3 BIV Vaoldrôme 2011 8 23.98 S 13.4 HS 40.7L 135 1.3 3 BIV Vaoldrôme 2011 8 22.93 S 13.5 HS 40.7L 135 1.2 4 BIV Vaoldrôme 2011 8 21.92 S 13.5 HS 40.7L 135 1.0 4 BIV Vaoldrôme 2011 8 20.90 S 13.4 HS 40.7L 135 1.0 4 BIV Vaoldrôme 2011 8 9.76 S 12.4:TA 40.0L 144 1.1 3 YOS Kita-karuizawa, Gunma (I could observe it again since 2005. Disturbed by a bright 3.7-mag star, γ Psc, in the same field.) 2011 8 8.09 S 11.8 TK 20.3T 100 2.5 3 GON Pandorado, León 2011 7 28.11 S 12.0 TA 20.3T 100 2.5 3 GON Alto del Castro - Aralla, León 2011 7 10.33 S 12.0 AU 22.0L 160 2 2/ GOI Araçatuba 2011 7 5.07 S 12.0 TA 20.3T 133 1.5 3 GON Alto del Castro - Aralla, León (Elongated coma.) 2011 6 4.09 S 12.2 HN 20.3T 133 1.2 5 GON Alto del Castro - Aralla, León (Brighter than expected. Nearby field stars checked in DSS. Comparison stars taken from Henden photometry - EI Psc field. Altitude: 16 deg.)
2005 11 8.929 S 12.8 TA 31.0J 109 1.3 3 DIJ Sint Annen 2005 11 8.926 S 13.0 TA 31.0J 109 1.2 4 BOU Sint Annen 2005 11 4.91 S 12.6 TK 20.3T 133 0.8 5 GON Alto del Trichero - Soto y Amío, León 2005 10 25.59 S 12.8 TA 40.0L 144 1.3 4 YOS Kita-karuizawa, Gunma 2005 10 24.60 S 12.8 TA 40.0L 144 1.2 6 YOS Kita-karuizawa, Gunma (Moderately condensed and clearly visible locating overhead. I heard that the comet has been brightening and it was 13.0 mag in early October. So I had imagined it became much brighter. But actually, it is still around 13th mag.) 2005 10 11.944 S 13.0 TA 31.0J 109 1.2 4 DIJ Sint Annen 2005 10 11.941 S 13.2 TA 31.0J 109 0.8 5 BOU Sint Annen 2005 10 7.18 S 13.3 TK 20.3T 133 0.5 5 GON Alto del Castro - Aralla, León