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Digest #3361
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Sun Dec 24, 2017 1:31 am (PST) . Posted by:
"Bomber2 Panther" outbackmanyep
Comet Observations 23rd December 2017
174P/ Echeclus
2017 Dec 23.58 UT; m1= 13.8; Dia= 1'; DC= 2; 25cm L, f:5 (x83) [Chris Wyatt, Walcha, NSW, Australia]
Coma diffuse.
Comparison stars checked using APASS data in Guide 9.0; Method= S; Cat= AQ
C/2016 R2 PanSTARRS
2017 Dec 23.59 UT; m1= 11.2; Dia= 3.5'; DC= 3/4; 25cm L, f:5 (x39) [Chris Wyatt, Walcha, NSW, Australia]
Interference by faint stars in coma; Does not enhance in Swan Band filter.
Comparison stars checked using APASS data in Guide 9.0; Method= M; Cat= AQ
C/2017 T1 Heinze
2017 Dec 23.64 UT; m1= 11.8; Dia= 1.5'; DC= 4/5; 25cm L, f:5 (x83) [Chris Wyatt, Walcha, NSW, Australia]
Does not enhance in Swan Band filter, coma elongated to the West approximately. Central condensation sometimes appears stellar in periods of good seeing.
Comparison stars checked using APASS data in Guide 9.0; Method= M; Cat= AQ
62P/ Tsuchinshan
2017 Dec 23.67 UT; m1= 11.7; Dia= 2.9'; DC= 3; 25cm L, f:5 (x39) [Chris Wyatt, Walcha, NSW, Australia]
Low altitude = 16°. No enhancement in Swan Band filter.
Comparison stars checked using APASS data in Guide 9.0; Method= S; Cat= AQ
24P/ Schaumasse
2017 Dec 23.69 UT; m1= 12.2; Dia= 1.8'; DC= 2/3; 25cm L, f:5 (x83) [Chris Wyatt, Walcha, NSW, Australia]
Low altitude = 9.6°; Coma diffuse.
Comparison stars checked using APASS data in Guide 9.0; Method= S; Cat= AQ
174P/ Echeclus
2017 Dec 23.58 UT; m1= 13.8; Dia= 1'; DC= 2; 25cm L, f:5 (x83) [Chris Wyatt, Walcha, NSW, Australia]
Coma diffuse.
Comparison stars checked using APASS data in Guide 9.0; Method= S; Cat= AQ
C/2016 R2 PanSTARRS
2017 Dec 23.59 UT; m1= 11.2; Dia= 3.5'; DC= 3/4; 25cm L, f:5 (x39) [Chris Wyatt, Walcha, NSW, Australia]
Interference by faint stars in coma; Does not enhance in Swan Band filter.
Comparison stars checked using APASS data in Guide 9.0; Method= M; Cat= AQ
C/2017 T1 Heinze
2017 Dec 23.64 UT; m1= 11.8; Dia= 1.5'; DC= 4/5; 25cm L, f:5 (x83) [Chris Wyatt, Walcha, NSW, Australia]
Does not enhance in Swan Band filter, coma elongated to the West approximately. Central condensation sometimes appears stellar in periods of good seeing.
Comparison stars checked using APASS data in Guide 9.0; Method= M; Cat= AQ
62P/ Tsuchinshan
2017 Dec 23.67 UT; m1= 11.7; Dia= 2.9'; DC= 3; 25cm L, f:5 (x39) [Chris Wyatt, Walcha, NSW, Australia]
Low altitude = 16°. No enhancement in Swan Band filter.
Comparison stars checked using APASS data in Guide 9.0; Method= S; Cat= AQ
24P/ Schaumasse
2017 Dec 23.69 UT; m1= 12.2; Dia= 1.8'; DC= 2/3; 25cm L, f:5 (x83) [Chris Wyatt, Walcha, NSW, Australia]
Low altitude = 9.6°; Coma diffuse.
Comparison stars checked using APASS data in Guide 9.0; Method= S; Cat= AQ
Good Clear Skies
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Astrocomet
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Colin James Watling
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Various Voluntary work-Litter Picking for Parish Council (Daytime) and also a friend of Kessingland Beach (Watchman)
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Real Astronomer and head of the Comet section for LYRA (Lowestoft and Great Yarmouth Regional Astronomers) also head of K.A.G (Kessingland Astronomy Group) and Navigator (Astrogator) of the Stars (Fieldwork)
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Lyra Main Website: http://www.lyra-astro.co.uk/
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