4 Messages
Digest #3266
Messages
Sat May 27, 2017 4:17 am (PDT) . Posted by:
"Bomber2 Panther" outbackmanyep
Comet Observations 26th May 2017
C/2015 V2 Johnson
2017 May 26.48 UT; m1= 7.6; Dia= 12.1'; DC= 4; 7x50 B [Chris Wyatt, Walcha, NSW, Australia]
Coma diffuse, gradual brightening to centre, coma extended to the NW approximately.
Comparison stars checked using Tycho-2 data in Guide 9.0; Method= M; Cat= TK
65P/ Clark
2017 May 26.50 UT; m1= 13.7; Dia= 0.9'; DC= 1; 25cm L, f:5 (x83) [Chris Wyatt, Walcha, NSW, Australia]
Coma very diffuse.
Comparison stars checked using APASS data in Guide 9.0; Method= S; Cat= AQ
71P/ Clark
2017 May 26.51 UT; m1= 11.1; Dia= 1'; DC= 5/6; 25cm L, f:5 (x83) [Chris Wyatt, Walcha, NSW, Australia]
Coma diffuse, bright central condensation, sometimes stellar. Coma appears larger at lower magnification.
Comparison stars checked using APASS data in Guide 9.0; Method= M; Cat= AQ
C/2015 V2 Johnson
2017 May 26.48 UT; m1= 7.6; Dia= 12.1'; DC= 4; 7x50 B [Chris Wyatt, Walcha, NSW, Australia]
Coma diffuse, gradual brightening to centre, coma extended to the NW approximately.
Comparison stars checked using Tycho-2 data in Guide 9.0; Method= M; Cat= TK
65P/ Clark
2017 May 26.50 UT; m1= 13.7; Dia= 0.9'; DC= 1; 25cm L, f:5 (x83) [Chris Wyatt, Walcha, NSW, Australia]
Coma very diffuse.
Comparison stars checked using APASS data in Guide 9.0; Method= S; Cat= AQ
71P/ Clark
2017 May 26.51 UT; m1= 11.1; Dia= 1'; DC= 5/6; 25cm L, f:5 (x83) [Chris Wyatt, Walcha, NSW, Australia]
Coma diffuse, bright central condensation, sometimes stellar. Coma appears larger at lower magnification.
Comparison stars checked using APASS data in Guide 9.0; Method= M; Cat= AQ
Sat May 27, 2017 4:23 am (PDT) . Posted by:
"Bomber2 Panther" outbackmanyep
Comet Observations 26th May 2017 (Correction to 65P, as per below, should read 'Gunn' not 'Clark', apologies for the inconvenience)
C/2015 V2 Johnson
2017 May 26.48 UT; m1= 7.6; Dia= 12.1'; DC= 4; 7x50 B [Chris Wyatt, Walcha, NSW, Australia]
Coma diffuse, gradual brightening to centre, coma extended to the NW approximately.
Comparison stars checked using Tycho-2 data in Guide 9.0; Method= M; Cat= TK
65P/ Gunn
2017 May 26.50 UT; m1= 13.7; Dia= 0.9'; DC= 1; 25cm L, f:5 (x83) [Chris Wyatt, Walcha, NSW, Australia]
Coma very diffuse.
Comparison stars checked using APASS data in Guide 9.0; Method= S; Cat= AQ
71P/ Clark
2017 May 26.51 UT; m1= 11.1; Dia= 1'; DC= 5/6; 25cm L, f:5 (x83) [Chris Wyatt, Walcha, NSW, Australia]
Coma diffuse, bright central condensation, sometimes stellar. Coma appears larger at lower magnification.
Comparison stars checked using APASS data in Guide 9.0; Method= M; Cat= AQ
C/2015 V2 Johnson
2017 May 26.48 UT; m1= 7.6; Dia= 12.1'; DC= 4; 7x50 B [Chris Wyatt, Walcha, NSW, Australia]
Coma diffuse, gradual brightening to centre, coma extended to the NW approximately.
Comparison stars checked using Tycho-2 data in Guide 9.0; Method= M; Cat= TK
65P/ Gunn
2017 May 26.50 UT; m1= 13.7; Dia= 0.9'; DC= 1; 25cm L, f:5 (x83) [Chris Wyatt, Walcha, NSW, Australia]
Coma very diffuse.
Comparison stars checked using APASS data in Guide 9.0; Method= S; Cat= AQ
71P/ Clark
2017 May 26.51 UT; m1= 11.1; Dia= 1'; DC= 5/6; 25cm L, f:5 (x83) [Chris Wyatt, Walcha, NSW, Australia]
Coma diffuse, bright central condensation, sometimes stellar. Coma appears larger at lower magnification.
Comparison stars checked using APASS data in Guide 9.0; Method= M; Cat= AQ
Sat May 27, 2017 2:02 pm (PDT) . Posted by:
danilam130
Hi all!
VIS:
41P:
2017 May 27.86 UT: m1=9.8, Dia.=4', DC=2/, ...25-cm L (42x, 70x, 150x) ...Danil Sidorko (Korenovsk, Russia) [SQM = 20.51]
C/2015V2:
2017 May. 27.85 UT: m1=7.8, Dia.=5.4', DC=4, tail 8' in RA 315 ...25-cm L (42x, 70x) ...Danil Sidorko (Korenovsk, Russia) [SQM = 20.51]
VIS:
41P:
2017 May 27.86 UT: m1=9.8, Dia.=4', DC=2/, ...25-cm L (42x, 70x, 150x) ...Danil Sidorko (Korenovsk, Russia) [SQM = 20.51]
C/2015V2:
2017 May. 27.85 UT: m1=7.8, Dia.=5.4', DC=4, tail 8' in RA 315 ...25-cm L (42x, 70x) ...Danil Sidorko (Korenovsk, Russia) [SQM = 20.51]
Sat May 27, 2017 5:42 pm (PDT) . Posted by:
"Bomber2 Panther" outbackmanyep
Comet Observations 27th May 2017
C/2015 V2 Johnson
2017 May 27.42 UT; m1= 7.5; Dia= 15'; DC= 4; 7x50 B [Chris Wyatt, Walcha, NSW, Australia]
Coma diffuse, opaque centre, moderately condensed. Coma extended to NW approximately.
Comparison stars checked using Tycho-2 data in Guide 9.0; Method= M; Cat= TK
C/2015 V2 Johnson
2017 May 27.42 UT; m1= 7.5; Dia= 15'; DC= 4; 7x50 B [Chris Wyatt, Walcha, NSW, Australia]
Coma diffuse, opaque centre, moderately condensed. Coma extended to NW approximately.
Comparison stars checked using Tycho-2 data in Guide 9.0; Method= M; Cat= TK
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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