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Digest #3571
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Wed Mar 6, 2019 12:26 am (PST) . Posted by:
"Bomber2 Panther" outbackmanyep
Comet Observations 4th March 2019
C/2016 M1 PanSTARRS
2019 Mar 04.40 UT; m1=11.2; Dia= 4.5'; DC= 3; 25cm L, f:5 (x39) [Chris Wyatt, Walcha, NSW, Australia]
Coma diffuse, slight interference from background star in coma.
Comparison stars checked using APASS data in Guide 9.0; Method= S; Cat= AQ
C/2018 Y1 Iwamoto
2019 Mar 04.42 UT; m1= 9.3; Dia= 10.5'; DC= 4; 25cm L, f:5 (x39) [Chris Wyatt, Walcha, NSW, Australia]
Low altitude = 19.0°; Coma enhances well in Swan Band filter while central condensation appears to dim in Swan Band.
Comparison stars checked using Tycho-2 data in Guide 9.0; Method= M; Cat= TK
60P/ Tsuchinshan
2019 Mar 04.44 UT; m1= 13.5; Dia= 1.0'; DC= 3; 25cm L, f:5 (x83) [Chris Wyatt, Walcha, NSW, Australia]
Difficult due to slight background haze from humidity and poor seeing.
Comparison stars checked using APASS data in Guide 9.0; Method= S; Cat= AQ
2016M1 2019 03 04.40 xS 11.2 AQ 25.0L 5 39 4.5 3 ICQ XX WYA
2018Y1 2019 03 04.42 xM 9.3 TK 25.0L 5 39 10.5 4 ICQ XX WYA
60 2019 03 04.44 xS 13.5 AQ 25.0L 5 83 1.0 3 ICQ XX WYA
C/2016 M1 PanSTARRS
2019 Mar 04.40 UT; m1=11.2; Dia= 4.5'; DC= 3; 25cm L, f:5 (x39) [Chris Wyatt, Walcha, NSW, Australia]
Coma diffuse, slight interference from background star in coma.
Comparison stars checked using APASS data in Guide 9.0; Method= S; Cat= AQ
C/2018 Y1 Iwamoto
2019 Mar 04.42 UT; m1= 9.3; Dia= 10.5'; DC= 4; 25cm L, f:5 (x39) [Chris Wyatt, Walcha, NSW, Australia]
Low altitude = 19.0°; Coma enhances well in Swan Band filter while central condensation appears to dim in Swan Band.
Comparison stars checked using Tycho-2 data in Guide 9.0; Method= M; Cat= TK
60P/ Tsuchinshan
2019 Mar 04.44 UT; m1= 13.5; Dia= 1.0'; DC= 3; 25cm L, f:5 (x83) [Chris Wyatt, Walcha, NSW, Australia]
Difficult due to slight background haze from humidity and poor seeing.
Comparison stars checked using APASS data in Guide 9.0; Method= S; Cat= AQ
2016M1 2019 03 04.40 xS 11.2 AQ 25.0L 5 39 4.5 3 ICQ XX WYA
2018Y1 2019 03 04.42 xM 9.3 TK 25.0L 5 39 10.5 4 ICQ XX WYA
60 2019 03 04.44 xS 13.5 AQ 25.0L 5 83 1.0 3 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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