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Digest #3297
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Thu Aug 10, 2017 3:21 am (PDT) . Posted by:
"Bomber2 Panther" outbackmanyep
Comet Observations 10th August 2017
C/2015 V2 Johnson
2017 Aug 10.36 UT; m1= 9.8; Dia= 3'; DC= 5/6; 25cm L, f:5 (x39) [Chris Wyatt, Walcha, NSW, Australia]
Outer coma diffuse and appears fan shaped to the North approximately; Inner coma opaque with small faint stellar central condensation visible in periods of good seeing. Coma dims slightly in Swan Band filter.
Comparison stars checked using Tycho-2 data in Guide 9.0; Method= M; Cat= TK
C/2015 O1 PanSTARRS
2017 Aug 10.38 UT; m1= 14.3; Dia= 0.8'; DC= 3; 25cm L, f:5 (x83) [Chris Wyatt, Walcha, NSW, Australia]
Coma very small and diffuse, visible in periods of good seeing.
Comparison stars checked using APASS data in Guide 9.0; Method= S; Cat= AQ
C/2015 V2 Johnson
2017 Aug 10.36 UT; m1= 9.8; Dia= 3'; DC= 5/6; 25cm L, f:5 (x39) [Chris Wyatt, Walcha, NSW, Australia]
Outer coma diffuse and appears fan shaped to the North approximately; Inner coma opaque with small faint stellar central condensation visible in periods of good seeing. Coma dims slightly in Swan Band filter.
Comparison stars checked using Tycho-2 data in Guide 9.0; Method= M; Cat= TK
C/2015 O1 PanSTARRS
2017 Aug 10.38 UT; m1= 14.3; Dia= 0.8'; DC= 3; 25cm L, f:5 (x83) [Chris Wyatt, Walcha, NSW, Australia]
Coma very small and diffuse, visible in periods of good seeing.
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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