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Digest #3557
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Sun Feb 10, 2019 2:42 am (PST) . Posted by:
"Bomber2 Panther" outbackmanyep
Comet Observations 9th February 2019
C/2016 M1 PanSTARRS
2019 Feb 09.67 UT; m1= 11.7; Dia= 2.6'; DC= 3; 25cm L, f:5 (x39) [Chris Wyatt, Walcha, NSW, Australia]
Faint star in coma; Coma very diffuse and weakly condensed. Low altitude = 18.7°.
Comparison stars checked using APASS data in Guide 9.0; Method= M; Cat= AQ
60P/ Tsuchinshan
2019 Feb 09.68 UT; m1= 13.9; Dia= 1.0'; DC= 5/6; 25cm L, f:5 (x83) [Chris Wyatt, Walcha, NSW, Australia]
Coma diffuse, inner coma opaque with faint stellar pseudo nucleus visible in good seeing. Faint tail can be traced to 2.3' in length in P.A. 310°.
Comparison stars checked using APASS data in Guide 9.0; Method= M; Cat= AQ
C/2018 Y1 Iwamoto
2019 Feb 09.69 UT; m1= 7.0; Dia= 17.4'; DC= 5/6; 7x50 B [Chris Wyatt, Walcha, NSW, Australia]
Close to bright stars, sometimes appears to have a faint stellar pseudo nucleus.
Comparison stars checked using Tycho-2 data in Guide 9.0; Method= M; Cat= TK
123P/ West - Hartley
2019 Feb 09.70 UT; m1= 13.5; Dia= 1.3'; DC= 6; 25cm L, f:5 (x83) [Chris Wyatt, Walcha, NSW, Australia]
Faint stellar central condensation, diffuse outer coma.
Comparison stars checked using APASS data in Guide 9.0; Method= M; Cat= AQ
C/2017 M4 ATLAS
2019 Feb 09.71 UT; m1= 13.3; Dia= 0.8'; DC= 3; 25cm L, f:5 (x83) [Chris Wyatt, Walcha, NSW, Australia]
Small, difficult and diffuse. Sometimes appears stellar at centre.
Comparison stars checked using APASS data in Guide 9.0; Method= M; Cat= AQ
C/2016 M1 PanSTARRS
2019 Feb 09.67 UT; m1= 11.7; Dia= 2.6'; DC= 3; 25cm L, f:5 (x39) [Chris Wyatt, Walcha, NSW, Australia]
Faint star in coma; Coma very diffuse and weakly condensed. Low altitude = 18.7°.
Comparison stars checked using APASS data in Guide 9.0; Method= M; Cat= AQ
60P/ Tsuchinshan
2019 Feb 09.68 UT; m1= 13.9; Dia= 1.0'; DC= 5/6; 25cm L, f:5 (x83) [Chris Wyatt, Walcha, NSW, Australia]
Coma diffuse, inner coma opaque with faint stellar pseudo nucleus visible in good seeing. Faint tail can be traced to 2.3' in length in P.A. 310°.
Comparison stars checked using APASS data in Guide 9.0; Method= M; Cat= AQ
C/2018 Y1 Iwamoto
2019 Feb 09.69 UT; m1= 7.0; Dia= 17.4'; DC= 5/6; 7x50 B [Chris Wyatt, Walcha, NSW, Australia]
Close to bright stars, sometimes appears to have a faint stellar pseudo nucleus.
Comparison stars checked using Tycho-2 data in Guide 9.0; Method= M; Cat= TK
123P/ West - Hartley
2019 Feb 09.70 UT; m1= 13.5; Dia= 1.3'; DC= 6; 25cm L, f:5 (x83) [Chris Wyatt, Walcha, NSW, Australia]
Faint stellar central condensation, diffuse outer coma.
Comparison stars checked using APASS data in Guide 9.0; Method= M; Cat= AQ
C/2017 M4 ATLAS
2019 Feb 09.71 UT; m1= 13.3; Dia= 0.8'; DC= 3; 25cm L, f:5 (x83) [Chris Wyatt, Walcha, NSW, Australia]
Small, difficult and diffuse. Sometimes appears stellar at centre.
Comparison stars checked using APASS data in Guide 9.0; Method= M; 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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