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Digest #3285
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Wed Jul 5, 2017 11:54 pm (PDT) . Posted by:
"Bomber2 Panther" outbackmanyep
Comet Observations 5th July 2017
213P/ Van Ness
2017 Jul 05.76 UT; m1= 13.5; Dia= 0.7'; 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
29P/ Schwassmann – Wachmann 1
2017 Jul 05.77 UT; m1= 13.3; Dia= 0.8'; DC= 6; 25cm L, f:5 (x83) [Chris Wyatt, Walcha, NSW, Australia]
Post outburst. Does not enhance in Swan Band filter. Stellar central condensation.
Comparison stars checked using APASS data in Guide 9.0; Method= M; Cat= AQ
C/2015 VL62 Lemmon-Yeung-PanSTARRS
2017 Jul 05.78 UT; m1= 14.7; Dia= 0.3'; DC= 2/3; 25cm L, f:5 (x166) [Chris Wyatt, Walcha, NSW, Australia]
Coma diffuse, slight brightening to centre.
Comparison stars checked using APASS data in Guide 9.0; Method= S; Cat= AQ
217P/ LINEAR
2017 Jul 05.79 UT; m1= 12.2; Dia= 2.2'; DC= 5/6; 25cm L, f:5 (x39) [Chris Wyatt, Walcha, NSW, Australia]
Coma diffuse with moderately condensed centre. Hint of a tail to the WSW. Low altitude = 16.9°.
Comparison stars checked using APASS data in Guide 9.0; Method= M; Cat= AQ
C/2015 ER61 PanSTARRS
2017 Jul 05.80 UT; m1= 9.6; Dia= 5.6'; DC= 6; 25cm L, f:5 (x39) [Chris Wyatt, Walcha, NSW, Australia]
Faint tail visible, 20' in length in P.A. 258°. Inner coma elongated and opaque. Small stellar central condensation. Fragment B not visible. Combined light observation.
Comparison stars checked using Tycho-2 data in Guide 9.0; Method= M; Cat= TK
213P/ Van Ness
2017 Jul 05.76 UT; m1= 13.5; Dia= 0.7'; 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
29P/ Schwassmann – Wachmann 1
2017 Jul 05.77 UT; m1= 13.3; Dia= 0.8'; DC= 6; 25cm L, f:5 (x83) [Chris Wyatt, Walcha, NSW, Australia]
Post outburst. Does not enhance in Swan Band filter. Stellar central condensation.
Comparison stars checked using APASS data in Guide 9.0; Method= M; Cat= AQ
C/2015 VL62 Lemmon-Yeung-PanSTARRS
2017 Jul 05.78 UT; m1= 14.7; Dia= 0.3'; DC= 2/3; 25cm L, f:5 (x166) [Chris Wyatt, Walcha, NSW, Australia]
Coma diffuse, slight brightening to centre.
Comparison stars checked using APASS data in Guide 9.0; Method= S; Cat= AQ
217P/ LINEAR
2017 Jul 05.79 UT; m1= 12.2; Dia= 2.2'; DC= 5/6; 25cm L, f:5 (x39) [Chris Wyatt, Walcha, NSW, Australia]
Coma diffuse with moderately condensed centre. Hint of a tail to the WSW. Low altitude = 16.9°.
Comparison stars checked using APASS data in Guide 9.0; Method= M; Cat= AQ
C/2015 ER61 PanSTARRS
2017 Jul 05.80 UT; m1= 9.6; Dia= 5.6'; DC= 6; 25cm L, f:5 (x39) [Chris Wyatt, Walcha, NSW, Australia]
Faint tail visible, 20' in length in P.A. 258°. Inner coma elongated and opaque. Small stellar central condensation. Fragment B not visible. Combined light observation.
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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