Fwd: [CometObs] Digest Number 3636

Comet Observations Group

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Digest #3636

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C/2017 T2, C/2018 N2, 260P - 18 Nov 2019 - J J Gonzalez. by "jjgonzalez jjgonzalez" jjgsgp       2017 T2, C/2018 N2, 260P - 18 Nov 2019 - J J Gonzalez.        

Wed Nov 20, 2019 9:56 am (PST) . Posted by:

"jjgonzalez jjgonzalez" jjgsgp

C/2017 T2 (PANSTARRS):
2019 Nov. 18.85 UT: m1=9.3, Dia.=6', DC=2, 20 cm SCT (100x).
[ Diffuse outer coma diameter 6', providing m=9.3.
Brighter inner coma diameter 2.5', providing m=10.2.
Sidgwick method. Tycho-2 comparison stars. SQM: 21.0.].

C/2018 N2 (ASASSN):
2019 Nov. 18.93 UT: m1=11.2, Dia.=2', DC=3/, 20 cm SCT (133x).
[ Sidgwick method. Tycho-2 comparison stars. SQM: 21.0.].

260P/McNaught:
2019 Nov. 18.90 UT: m1=11.3, Dia.=1', DC=5, 20 cm SCT (167x).
[ Sidgwick method. Tycho-2 comparison stars. SQM: 21.0.].

( Matadeon de los Oteros, Leon, Spain , 42º 20' N, 5º 23' W,
alt. 870 m; SQM 21.1 at zenith ).

J. J. Gonzalez Suarez
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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 K.A.G (Kessingland
Astronomy Group) and Navigator (Astrogator) of the Stars (Fieldwork)