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Digest #3553
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Tue Feb 5, 2019 1:44 am (PST) . Posted by:
"Bomber2 Panther" outbackmanyep
Comet Observations 4th February 2019
C/2016 M1 PanSTARRS
2019 Feb 04.45 UT; m1= 11.1; Dia= 4.7'; DC= 5; 25cm L, f:5 (x40) [Chris Wyatt, Walcha, NSW, Australia]
Close to star, diffuse inner coma, faint stellar central condensation in good seeing. First comet with new 31mm Nagler Type V eyepiece.
Comparison stars checked using APASS data in Guide 9.0; Method= M; Cat= AQ
C/2016 N6 PanSTARRS
2019 Feb 04.46 UT; m1= 13.0; Dia= 1.4'; DC= 3/4; 25cm L, f:5 (x83) [Chris Wyatt, Walcha, NSW, Australia]
Close to star, diffuse inner coma, faint stellar central condensation in good seeing.
Comparison stars checked using APASS data in Guide 9.0; Method= M; Cat= AQ
64P/ Swift - Gehrels
2019 Feb 04.47 UT; m1= 11.2; Dia= 3.1'; DC= 2; 25cm L, f:5 (x39) [Chris Wyatt, Walcha, NSW, Australia]
Very diffuse, weak centre.
Comparison stars checked using APASS data in Guide 9.0; Method= S; Cat= AQ
C/2018 Y1 Iwamoto
2019 Feb 04.68 UT; m1= 7.2; Dia= 25'; DC= 4; 7x50 B [Chris Wyatt, Walcha, NSW, Australia]
Coma diffuse, opaque moderately condensed centre.
Comparison stars checked using Tycho-2 data in Guide 9.0; Method= M; Cat= TK
60P/ Tsuchinshan
2019 Feb 04.69 UT; m1= 13.5; Dia= 1.2'; DC= 4/5; 25cm L, f:5 (x83) [Chris Wyatt, Walcha, NSW, Australia]
Sometimes stellar, opaque inner coma fading to edges.
Comparison stars checked using APASS data in Guide 9.0; Method= M; Cat= AQ
123P/ West - Hartley
2019 Feb 04.70 UT; m1= 13.1; Dia= 1.4'; DC= 6; 25cm L, f:5 (x83) [Chris Wyatt, Walcha, NSW, Australia]
Faintly stellar in good seeing, diffuse.
Comparison stars checked using APASS data in Guide 9.0; Method= M; Cat= AQ
2016M1 2019 02 04.45 xM 11.1 AQ 25.0L 5 40 4.7 5 ICQ XX WYA
2016N6 2019 02 04.46 xM 13.0 AQ 25.0L 5 83 1.4 3/ ICQ XX WYA
64 2019 02 04.47 xS 11.2 AQ 25.0L 5 39 3.1 2 ICQ XX WYA
2018Y1 2019 02 04.68 xM 7.2 TK 5.0B 7 25.0 4 ICQ XX WYA
60 2019 02 04.69 xM 13.5 AQ 25.0L 5 83 1.2 4/ ICQ XX WYA
123 2019 02 04.70 xM 13.1 AQ 25.0L 5 83 1.4 6 ICQ XX WYA
C/2016 M1 PanSTARRS
2019 Feb 04.45 UT; m1= 11.1; Dia= 4.7'; DC= 5; 25cm L, f:5 (x40) [Chris Wyatt, Walcha, NSW, Australia]
Close to star, diffuse inner coma, faint stellar central condensation in good seeing. First comet with new 31mm Nagler Type V eyepiece.
Comparison stars checked using APASS data in Guide 9.0; Method= M; Cat= AQ
C/2016 N6 PanSTARRS
2019 Feb 04.46 UT; m1= 13.0; Dia= 1.4'; DC= 3/4; 25cm L, f:5 (x83) [Chris Wyatt, Walcha, NSW, Australia]
Close to star, diffuse inner coma, faint stellar central condensation in good seeing.
Comparison stars checked using APASS data in Guide 9.0; Method= M; Cat= AQ
64P/ Swift - Gehrels
2019 Feb 04.47 UT; m1= 11.2; Dia= 3.1'; DC= 2; 25cm L, f:5 (x39) [Chris Wyatt, Walcha, NSW, Australia]
Very diffuse, weak centre.
Comparison stars checked using APASS data in Guide 9.0; Method= S; Cat= AQ
C/2018 Y1 Iwamoto
2019 Feb 04.68 UT; m1= 7.2; Dia= 25'; DC= 4; 7x50 B [Chris Wyatt, Walcha, NSW, Australia]
Coma diffuse, opaque moderately condensed centre.
Comparison stars checked using Tycho-2 data in Guide 9.0; Method= M; Cat= TK
60P/ Tsuchinshan
2019 Feb 04.69 UT; m1= 13.5; Dia= 1.2'; DC= 4/5; 25cm L, f:5 (x83) [Chris Wyatt, Walcha, NSW, Australia]
Sometimes stellar, opaque inner coma fading to edges.
Comparison stars checked using APASS data in Guide 9.0; Method= M; Cat= AQ
123P/ West - Hartley
2019 Feb 04.70 UT; m1= 13.1; Dia= 1.4'; DC= 6; 25cm L, f:5 (x83) [Chris Wyatt, Walcha, NSW, Australia]
Faintly stellar in good seeing, diffuse.
Comparison stars checked using APASS data in Guide 9.0; Method= M; Cat= AQ
2016M1 2019 02 04.45 xM 11.1 AQ 25.0L 5 40 4.7 5 ICQ XX WYA
2016N6 2019 02 04.46 xM 13.0 AQ 25.0L 5 83 1.4 3/ ICQ XX WYA
64 2019 02 04.47 xS 11.2 AQ 25.0L 5 39 3.1 2 ICQ XX WYA
2018Y1 2019 02 04.68 xM 7.2 TK 5.0B 7 25.0 4 ICQ XX WYA
60 2019 02 04.69 xM 13.5 AQ 25.0L 5 83 1.2 4/ ICQ XX WYA
123 2019 02 04.70 xM 13.1 AQ 25.0L 5 83 1.4 6 ICQ XX WYA
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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