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Wednesday 28 June 2017

Fwd: [CometObs] Digest Number 3280

3 Messages

Digest #3280

Messages

Mon Jun 26, 2017 8:29 pm (PDT) . Posted by:

"Bomber2 Panther" outbackmanyep

Comet Observations 26th June 2017

C/2015 V2 Johnson
2017 Jun 26.50 UT; m1= 8.1; Dia= 13'; DC= 3/4; 7x50 B [Chris Wyatt, Moonbi, NSW, Australia]
Coma diffuse, slight brightening to centre.
Comparison stars checked using Tycho-2 data in Guide 9.0; Method= M; Cat= TK

65P/ Gunn
2017 Jun 26.51 UT; m1= 14.0; Dia= 0.8'; 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

41P/ Tuttle – Giacobini - Kresak
2017 Jun 26.52 UT; m1= 11.5; Dia= 4.5'; DC= 2; 25cm L, f:5 (x39) [Chris Wyatt, Walcha, NSW, Australia]
Coma very diffuse, slight brightening to centre.
Comparison stars checked using APASS data in Guide 9.0; Method= S; Cat= AQ

29P/ Schwassmann – Wachmann 1
2017 Jun 26.52 UT; m1= 13.5; Dia= 0.8'; DC= 1/2; 25cm L, f:5 (x83) [Chris Wyatt, Walcha, NSW, Australia]
Coma very diffuse, faint. Low altitude = 16.6°.
Comparison stars checked using APASS data in Guide 9.0; Method= S; Cat= AQ

Tue Jun 27, 2017 10:18 am (PDT) . Posted by:

biely.marek

My visual observation from the previous night:

41P/Tuttle-Giacobini-Kresák:
2017 June 26.88 UT: m1=[10.6, Dia.=3', 20x80 binoculars, NEGATIVE
[Already not visible. Fainter than 10.6 mag.]

C/2015 ER61 (PanSTARRS):
2017 June 27.04 UT: m1=[8.7, Dia.=5', 20x80 binoculars, NEGATIVE
[Still too low to be seen. Fainter than 8.7 mag.]

C/2015 V2 (Johnson):
2017 June 26.87 UT: m1=8.2, Dia.=10', DC=5, 20x80 binoculars
[Still also a hint of tail visible.]

Nice day to everybody!
Marek Biely, Czech Republic, Brno (244 m.a.s.l.)


Tue Jun 27, 2017 1:50 pm (PDT) . Posted by:

danilam130

Hi all

C/2015 V2:
2017 Jun. 27.84 UT: m1=8.3, Dia.=5.9', DC=4, ...25-cm L (42x, 70x) ...Danil Sidorko (Korenovsk, Russia) [SQM = 20.22]



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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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