66P/du Toit

66P/du Toit
Reported observations:
2018 May  25.74 UT: m1=10.7, Dia.=6.5’, DC=3, ... 25cm L f:5 (39x) ... Chris Wyatt (Walcha, NSW, Australia) [Coma large and diffuse and pale aqua-blue in colour, faint star in coma. Hint of elongation to the West approximately. Comparison stars checked using APASS data in Guide 9.0; Method= S; Cat= AQ]
2018 May  22.74 UT: m1=10.2, Dia.=5.8’, DC=3, ... 25-cm L f:5 (39x) ... Chris Wyatt (Walcha, NSW, Australia) [Coma enhances in Swan Band filter, diffuse with weakly condensed opaque centre. Faint star in coma. Comparison stars checked using Tycho-2 data in Guide 9.0; Method= S; Cat= TK]
2018 May  21.73 UT: m1=10.6, Dia.=4.4’; DC=3, ... 25-cm L f:5 (39x) ... Chris Wyatt (Walcha, NSW, Australia) [Interference by nearby stars. Enhances in Swan Band filter. Diffuse coma, slightly brighter in the centre but weakly condensed. Comparison stars checked using APASS data in Guide 9.0; Method= S; Cat= AQ]
2018 May  20.33 UT: m1=11.2, Dia.=3', DC=2, ... 22-cm L (160x) ... Marco Antonio Coelho Goiato (Araçatuba, Brazil)
2018 May  19.75 UT; m1=10.5, Dia.=6.6’, DC=3, ... 25-cm L f:5 (39x) ... Chris Wyatt (Walcha, NSW, Australia) [Coma large, opaque centre, semi-transparent outer coma appears slightly elongated to the NE. Enhances in Swan Band filter. Comparison stars checked using Tycho-2 data in Guide 9.0; Method= S; Cat= TK]
2018 May  18.75 UT: m1=10.4, Dia.=5.8’, DC=3/4, ... 25-cm L f:5 (39x) ... Chris Wyatt (Walcha, NSW, Australia) [Coma large and diffuse, slight brightening to centre. Enhances slightly in Swan Band filter. Comparison stars checked using Tycho-2 data in Guide 9.0; Method= S; Cat= TK]
2018 May  10.63 UT: m1=10.6, Dia.=3.8’, DC=3, ... 25-cm L f:5 (39x) ... Chris Wyatt (Walcha, NSW, Australia) [Coma diffuse, weakly condensed. Low altitude = 19.4°. Comparison stars checked using APASS data in Guide 9.0; Method= S; Cat= AQ]
2018 May  09.65 UT: m1=10.5, Dia.=4.1’, DC=2/3, ... 25-cm L f:5 (39x) ... Chris Wyatt (Walcha, NSW, Australia) [Moonlight; Coma very diffuse, visible just above sky background threshold. Difficult. Comparison stars checked using APASS data in Guide 9.0; Method= S; Cat= AQ]
2018 Apr. 22.29 UT: m1=12.4, Dia.=1', DC=2, ... 22-cm L (160x) ... Marco Antonio Coelho Goiato (Araçatuba, Brazil)
2018 Apr. 20.70 UT: m1=11.3, Dia.=5’, DC=2/3, ... 25-cm L f:5 (39x) ... Chris Wyatt (Walcha, NSW, Australia) [Close to stars, coma diffuse, slight enhancement in Swan Band filter. Comparison stars checked using APASS data in Guide 9.0; Method= S; Cat= AQ]
2018 Apr. 16.74 UT: m1=11.0, Dia.=5’, DC=2/3, ... 25-cm L f:5 (39x) ... Chris Wyatt (Walcha, NSW, Australia) [Coma very diffuse, close to stars. Comparison stars checked using APASS data in Guide 9.0; Method= S; Cat= AQ]
2018 Apr. 15.73 UT: m1=11.9, Dia.=2.4’, DC=2/3, ... 25-cm L f:5 (83x) ... Chris Wyatt (Walcha, NSW, Australia) [Coma appears as a diffuse patch of light, does not enhance in Swan band filter. Comparison stars checked using APASS data in Guide 9.0; Method= S; Cat= AQ]
2018 Apr. 14.68 UT: m1=12.6, Dia.=1.6’, DC=1/2, ... 25-cm L f:5 (83x) ... Chris Wyatt (Walcha, NSW, Australia) [Does not enhance in Swan Band filter, coma very diffuse. Close to faint stars. Visible at x39 as a patch of diffuse light. Comparison stars checked using APASS data in Guide 9.0; Method= S; Cat= AQ]
2018 Apr. 11.67 UT: m1=12.4, Dia.=1.8’, DC=2/3, ... 25-cm L f:5 (83x) .... Chris Wyatt (Walcha, NSW, Australia) [Does not enhance in Swan Band filter; Coma very diffuse and visible despite being close to bright star. Minimal interference from moonlight (Moon alt = 0.6°). Comparison stars checked using APASS data in Guide 9.0; Method= S; Cat= AQ]
2003 July 24.30 UT: m1=13.0, Dia.=1.2', DC=2/9 ... 41-cm L(166x) ... John Drummond (Gisborne, New Zealand) [66P appears as a large VERY diffuse faint smudge. Cannot see a nucleus]
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