1 Message
Digest #3385
Message
Sun Feb 18, 2018 2:58 am (PST) . Posted by:
"Juan Jose Gonzalez" jjgsgp
185P/Petriew:
2018 Feb. 17.82 UT: m1=10.4, Dia.=3', DC=2/, 20 cm SCT (100x).
[ Sidgwick method. Tycho-2 comparison stars. SQM : 20.6.
Altitude: 24 deg. Zodiacal light.].
C/2016 N6 (PANSTARRS):
2018 Feb. 17.86 UT: m1=12.1, Dia.=1.2', DC=5, 20 cm SCT (100x).
[ Sidgwick method. APASS comparison stars. SQM : 21.0.
Field stars checked in DSS.].
C/2016 R2 (PANSTARRS):
2018 Feb. 12.84 UT: m1=10.5, Dia.=4', DC=3, 20 cm SCT (77x).
[ Sidgwick method. Tycho-2 comparison stars. SQM : 20.8.].
2018 Feb. 17.83 UT: m1=10.5, Dia.=4', DC=3, 20 cm SCT (100x).
[ SQM : 21.0.].
[ It is difficult to separate the contribution of the
inner ion tail from that of the coma to the total magnitude m1.].
Feb.12 : Collada de la Cobertoria, Asturias, Spain,
mountain location, clear sky. SQM 20.8 at zenith.
( Alt. 1180 m, 43º 09' N, 5º 54' W )
Feb.17 : Alto de la Garandilla - Escuredo, Leon,
mountain location, very clear sky down to the horizon,
SQM 21.1 at zenith ( Alt. 1140 m, 42º 42' N, 5º 55' W ).
----------------------------------------------------------
ICQ Format :
185 201802 17.82 S 10.4 TK 20.3T101003 2/ ICQ XX GON05
2016N6 2018 02 17.86 S 12.1 AQ 20.3T10 100 1.2 5 ICQ
XX GON05
2016R2 2018 02 12.84 S 10.5 TK 20.3T10 77 4 3 ICQ
XX GON05
2016R2 2018 02 17.83 S 10.5 TK 20.3T10 100 4 3 ICQ
XX GON05
----------------------------------------------------------
J. J. Gonzalez
----------------------------------------------------------
2018 Feb. 17.82 UT: m1=10.4, Dia.=3', DC=2/, 20 cm SCT (100x).
[ Sidgwick method. Tycho-2 comparison stars. SQM : 20.6.
Altitude: 24 deg. Zodiacal light.].
C/2016 N6 (PANSTARRS):
2018 Feb. 17.86 UT: m1=12.1, Dia.=1.2', DC=5, 20 cm SCT (100x).
[ Sidgwick method. APASS comparison stars. SQM : 21.0.
Field stars checked in DSS.].
C/2016 R2 (PANSTARRS):
2018 Feb. 12.84 UT: m1=10.5, Dia.=4', DC=3, 20 cm SCT (77x).
[ Sidgwick method. Tycho-2 comparison stars. SQM : 20.8.].
2018 Feb. 17.83 UT: m1=10.5, Dia.=4', DC=3, 20 cm SCT (100x).
[ SQM : 21.0.].
[ It is difficult to separate the contribution of the
inner ion tail from that of the coma to the total magnitude m1.].
Feb.12 : Collada de la Cobertoria, Asturias, Spain,
mountain location, clear sky. SQM 20.8 at zenith.
( Alt. 1180 m, 43º 09' N, 5º 54' W )
Feb.17 : Alto de la Garandilla - Escuredo, Leon,
mountain location, very clear sky down to the horizon,
SQM 21.1 at zenith ( Alt. 1140 m, 42º 42' N, 5º 55' W ).
------------------------------
ICQ Format :
185 201802 17.82 S 10.4 TK 20.3T101003 2/ ICQ XX GON05
2016N6 2018 02 17.86 S 12.1 AQ 20.3T10 100 1.2 5 ICQ
XX GON05
2016R2 2018 02 12.84 S 10.5 TK 20.3T10 77 4 3 ICQ
XX GON05
2016R2 2018 02 17.83 S 10.5 TK 20.3T10 100 4 3 ICQ
XX GON05
------------------------------
J. J. Gonzalez
------------------------------
Good Clear Skies
--
Astrocomet
--
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)
--
Lyra Main Website: http://www.lyra-astro.co.uk/
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