Total Pageviews

Thursday 22 February 2018

Fwd: [CometObs] Digest Number 3386

1 Message

Digest #3386
1
C/2016 M1, C/2017 T1 at perihelion. by "Juan Jose Gonzalez" jjgsgp

Message

Wed Feb 21, 2018 12:20 pm (PST) . Posted by:

"Juan Jose Gonzalez" jjgsgp

C/2016 M1 (PANSTARRS):
2018 Feb. 21.23 UT: m1=11.0, Dia.=3', DC=2/, 20 cm SCT (133x).
[ Sidgwick method. Tycho-2 comparison stars. SQM : 21.1. Altitude: 24 deg.]..

C/2017 T1 (Heinze):
2018 Feb. 21.24 UT: m1=9.3, Dia.=4', DC=3, 20 cm SCT (100x).
[ Sidgwick method. Tycho-2 comparison stars. SQM : 20.7. Altitude: 8 deg.
Very clear sky down to the horizon.].

( Villacintor, Leon, Spain; Alt. 930 m, 42º 29' N, 5º 11' W. SQM 21.6 at
zenith.).

----------------------------------------------------------

ICQ Format :

2016M1 2018 02 21.23 S 11.0 TK 20.3T10133 3 2/ ICQ
XX GON05

2017T1 2018 02 21.24 S 9.3 TK 20.3T10100 4 3 ICQ XX GON05

----------------------------------------------------------

J. J. Gonzalez

----------------------------------------------------------




--
Good Clear Skies
--
Astrocomet
--
Colin James Watling
--
Various Voluntary work-Litter Picking for Parish Council (Daytime) and also a friend of Kessingland Beach (Watchman)
--
--
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/
Posted by at No comments:

Tuesday 20 February 2018

Fwd: [CometObs] Digest Number 3385

1 Message

Digest #3385
1
185P, C/2016 N6, C/2016 R2. by "Juan Jose Gonzalez" jjgsgp

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

----------------------------------------------------------




--
Good Clear Skies
--
Astrocomet
--
Colin James Watling
--
Various Voluntary work-Litter Picking for Parish Council (Daytime) and also a friend of Kessingland Beach (Watchman)
--
--
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/
Posted by at No comments:

Sunday 11 February 2018

[BAA-ebulletin 00996] Martian clouds; Venus observations

BAA electronic bulletin

Mars Section

The season has arrived for the appearance of north polar cyclonic
clouds. These white clouds are found on the morning side of the planet
in the longitudes of Baltia-Mare Boreum and also, seasonally a little
later, Utopia. At times they can show cyclonic form. They are rarely
observed in the martian afternoon. They were seen in 2010 at the end
of the observing season, well-observed in 2012 and 2014, and then
somewhat less well seen in 2016. The 2018 opposition is not a
favourable one for spotting these features, but they do constitute a
useful seasonal indicator, so it would be good if all those currently
studying the still distant planet made a point of looking out for
them.

Dr Richard McKim, Director

2018 February 9

..............

Mercury & Venus Section

I have appointed Dr Paul Abel to act as Venus Coordinator for the
current E. Elongation. Please send all observations to him either by
email or by post to:

paul.abel@yahoo.co.uk

Department of Physics & Astronomy,
University of Leicester,
University Road, LEICESTER LE1 7RH

A short note by Paul about observing Venus in 2018 will appear in the
April number of the Journal.

Meanwhile, the Director is working to complete a long-term Venus
report which will cover the period from 2007 till the present time.
Some results of this study will be shown at the BAA Ordinary Meeting
in March. If any member has unreported recent observations up to the
end of 2017 there is still time to submit them by contacting the
Director at the address given in the back of the Journal.

Dr Richard McKim, Director

2018 February 9

BAA-ebulletin mailing list
This is an announcements only list - please do not reply to this message visit:
http://lists.britastro.org/mailman/listinfo/baa-ebulletin
(c) 2017 British Astronomical Association    http://www.britastro.org/

--
Good Clear Skies
--
Astrocomet
--
Colin James Watling
--
Various Voluntary work-Litter Picking for Parish Council (Daytime) and also a friend of Kessingland Beach (Watchman)
--
--
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/
Posted by at No comments:

Thursday 8 February 2018

Fwd: [CometObs] Digest Number 3381

2 Messages

Digest #3381
1
Comet Observations 6th February 2018 by "Bomber2 Panther" outbackmanyep
2
Comet Observations 7th February 2018 by "Bomber2 Panther" outbackmanyep

Messages

Tue Feb 6, 2018 6:58 pm (PST) . Posted by:

"Bomber2 Panther" outbackmanyep

Comet Observations 6th February 2018

185P/ Petriew
2018 Feb 06.42 UT; m1= 11.7; Dia= 2.2'; DC= 3; 25cm L, f:5 (x83) [Chris Wyatt, Walcha, NSW, Australia]
Low altitude = 10.0°; Zodiacal light interference. Does not enhance in Swan Band filter.
Comparison stars checked using APASS data in Guide 9.0; Method= S; Cat= AQ

C/2017 K6 Jacques
2018 Feb 06.44 UT; m1= 13.9; Dia= 1.1'; DC= 3; 25cm L, f:5 (x83) [Chris Wyatt, Walcha, NSW, Australia]
Close to faint stars.
Comparison stars checked using APASS data in Guide 9.0; Method= S; Cat= AQ

C/2016 R2 PanSTARRS
2018 Feb 06.45 UT; m1= 11.4; Dia= 4.8'; DC= 3; 25cm L, f:5 (x39) [Chris Wyatt, Walcha, NSW, Australia]
Coma large and diffuse.
Comparison stars checked using APASS data in Guide 9.0; Method= S; Cat= AQ

Wed Feb 7, 2018 3:04 pm (PST) . Posted by:

"Bomber2 Panther" outbackmanyep

Comet Observations 7th February 2018

185P/ Petriew
2018 Feb 07.42 UT; m1= 11.7; Dia= 1.7'; DC= 2/3; 25cm L, f:5 (x83) [Chris Wyatt, Walcha, NSW, Australia]
Low altitude = 10.1°; Coma diffuse with a slightly brighter but opaque centre.
Comparison stars checked using APASS data in Guide 9.0; Method= S; Cat= AQ

C/2017 K6 Jacques
2018 Feb 07.43 UT; m1= 13.8; Dia= 1.4'; DC= 3; 25cm L, f:5 (x83) [Chris Wyatt, Walcha, NSW, Australia]
Diffuse coma, slight brightening to centre.
Comparison stars checked using APASS data in Guide 9.0; Method= S; Cat= AQ

C/2016 R2 PanSTARRS
2018 Feb 07.44 UT; m1= 11.9; Dia= 2.7'; DC= 3; 25cm L, f:5 (x83) [Chris Wyatt, Walcha, NSW, Australia]
Coma diffuse, slight brightening to an opaque centre.
Comparison stars checked using APASS data in Guide 9.0; Method= S; Cat= AQ

Visit Your Group
Yahoo! Groups



--
Good Clear Skies
--
Astrocomet
--
Colin James Watling
--
Various Voluntary work-Litter Picking for Parish Council (Daytime) and also a friend of Kessingland Beach (Watchman)
--
--
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/
Posted by at No comments:
Subscribe to: Posts (Atom)