1 Message
Digest #3596
Message
Sat Jul 6, 2019 11:14 am (PDT) . Posted by:
"jjgonzalez jjgonzalez" jjgsgp
C/2018 R3 (Lemmon):
2019 July 5.92 UT: m1=9.3, Dia.=5', DC=2/, 20 cm SCT (100x).
[ Astronomical twilight. Altitude: 11°. Sidgwick method.
Tycho-2 comparison stars. SQM: 21.0.].
C/2018 W2 (Africano):
2019 July 6.10 UT: m1=11.1, Dia.=4', DC=2/, 20 cm SCT (100x).
[ Brighter than expected. Altitude: 28°. Observation made
under better conditions, from a dark mountain location,
providing a much wider coma diameter and brighter m1 estimate
in comparison with my previous June 26.96 observation.
Sidgwick method. Tycho-2 comparison stars. SQM: 21.3.].
( Alto de la Camperona, Leon, Spain; Alt. 1600 m, 42º 51' N, 5º 12' W
SQM 21.6 at zenith ).
J. J. Gonzalez Suarez
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2019 July 5.92 UT: m1=9.3, Dia.=5', DC=2/, 20 cm SCT (100x).
[ Astronomical twilight. Altitude: 11°. Sidgwick method.
Tycho-2 comparison stars. SQM: 21.0.].
C/2018 W2 (Africano):
2019 July 6.10 UT: m1=11.1, Dia.=4', DC=2/, 20 cm SCT (100x).
[ Brighter than expected. Altitude: 28°. Observation made
under better conditions, from a dark mountain location,
providing a much wider coma diameter and brighter m1 estimate
in comparison with my previous June 26.96 observation.
Sidgwick method. Tycho-2 comparison stars. SQM: 21.3.].
( Alto de la Camperona, Leon, Spain; Alt. 1600 m, 42º 51' N, 5º 12' W
SQM 21.6 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 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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