60P/Tsuchinshan 2

60P/Tsuchinshan 2
Reported observations:
2019 Apr. 07.39 UT: m1=14.3, Dia.=1.0’, DC=2, ... 25-cm L f:5(83x) ... Chris Wyatt (Walcha, NSW, Australia) [Difficult. Comparison stars checked using APASS data in Guide 9.0. Method= S, Cat= AQ]
2019 Mar. 04.44 UT: m1=13.5, Dia.=1.0’, DC=3, ... 25-cm L f:5(83x) ... Chris Wyatt (Walcha, NSW, Australia) [Difficult due to slight background haze from humidity and poor seeing. Comparison stars checked using APASS data in Guide 9.0. Method= S, Cat= AQ]
2019 Feb. 11.66 UT: m1=13.6, Dia.=0.9’, DC=5/, ... 25-cm L f:5(83x) ... Chris Wyatt (Walcha, NSW, Australia) [Faint tail traced to 2.4’ in length in P.A. 303°. Faint stellar pseudo-nucleus visible in good seeing. Comparison stars checked using APASS data in Guide 9.0. Method= M, Cat= AQ]
2019 Feb. 09.68 UT: m1=13.9, Dia.=1.0’, DC=5/, ... 25-cm L f:5(83x) ... Chris Wyatt (Walcha, NSW, Australia) [Coma diffuse, inner coma opaque with faint stellar pseudo nucleus visible in good seeing. Faint tail can be traced to 2.3’ in length in P.A. 310°. Comparison stars checked using APASS data in Guide 9.0. Method= M, Cat= AQ]
2019 Feb. 04.69 UT: m1=13.5, Dia.=1.2’, DC=4/, ... 25-cm L f:5(83x) ... Chris Wyatt (Walcha, NSW, Australia) [Sometimes stellar, opaque inner coma fading to edges. Comparison stars checked using APASS data in Guide 9.0. Method= M, Cat= AQ]
2019 Jan. 12.59 UT: m1=13.8, Dia.=0.7’, DC=5/, ... 25-cm L f:5(83x) ... Chris Wyatt (Walcha, NSW, Australia) [Small coma, centre appears stellar in good seeing. Comparison stars checked using APASS data in Guide 9.0, Method= M, Cat= AQ]
2019 Jan. 07.66 UT: m1=14.0, Dia.=0.9’, DC=5, ... 25-cm L f:5(83x) ... Chris Wyatt (Walcha, NSW, Australia) [Difficult due to proximity to stars, slight hazy sky due to low cloud passing. Comparison stars checked using APASS data in Guide 9.0, Method= M, Cat= AQ]
2019 Jan. 06.84 UT: m1=13.6, Dia.=0.6', DC=5, ... 40.0-cm L f/4.5(144x) ... Seiichi Yoshida (Ibaraki, Japan)
2018 Dec. 30.71 UT: m1=13.2, Dia.=2.5’, DC=3, ... 25-cm L f:5(83x) ... Chris Wyatt (Walcha, NSW, Australia) [Moonlight. Difficult, diffuse coma, visible in periods of good seeing. Comparison stars checked using APASS data in Guide 9.0, Method= S, Cat= AQ]
2018 Dec. 14.25 UT: m1=12.8, Dia.=0.7', DC=6, ... 20-cm SCT(133x) ... Juan Jose Gonzalez (Alto del Trichero - Soto y Amio, Leon, Spain. Alt. 1190 m, 42º 46' N, 5º 53' W) [Sidgwick method. APASS comparison stars. SQM: 21.2]
2018 Nov. 14.11 UT: m1=15.5, Dia.=0.2', DC=4, ... 60-cm L(406x) ... Sandor Szabo (Sopron, Hungary)
2018 Nov. 03.76 UT: m1=[13.7, negative, ... 40.0-cm L f/4.5(257x) ... Seiichi Yoshida (Gunma, Japan)
2018 Sep. 22.10 UT: m1=17.7 CCD, Dia.=0.18', DC=8/, ... 0.25-m f/4.7 Newton + CCD ... S. Shurpakov (Observatory C36, Belarus)
1999 Mar. 17.80 UT: m1=[14.0,... 44-cm L (156x)... Werner Hasubick (Buchloe, Germany)
1999 Feb. 17.64 UT: m1=[14.0, Dia.=!0.5'... 41-cm L; Andrew Pearce (Dowerin, Western Australia)
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