Old 10-09-2010, 03:09 PM
Outbackmanyep's Avatar
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Outbackmanyep is offline
Join Date: Oct 2006
Location: Walcha , NSW
Posts: 1,652
Comet Obs 2nd to 7th September 2010

Comet Observations 28th to 31st August 2010

2P/ Encke

2010 Sep 02.36 UT; m1= 9.9; Dia= 4.2; DC= 3/4; 25cm L, f:5 (x39)
Coma appears elongated to SE, no tail, fading twilight.
Comp Star= TYC 5542-426-1; Method= S; Cat= TJ

2010 Sep 06.36UT; m1= 11.0; Dia= 4.2; DC= 2/3; 25cm L, f:5 (x39)
No tail, coma more diffuse in central condensation.
Comp Star= TYC 6124-93-1; Method= S; Cat= TJ

65P/ Gunn

2010 Sep 02.37 UT; m1= 13.9; Dia= 1.5; DC= 2; 25cm L, f:5 (x83)
No tail, coma small and diffuse, close to bright stars.
Comp Star= GSC-7460-1369; Method= S; Cat= HS

2010 Sep 06.39 UT; m1= 13.8; Dia= 0.5; DC= 2/3; 25cm L, f:5 (x83)
Coma very small, averted vision, close to bright star.
Comp Star= GSC-7460-1503; Method= S; Cat= HS

C/2009 P1 Garradd

2010 Sep 02.38 UT; m1= 14.2; Dia= 1; DC= 1; 25cm L, f:5 (x83)
No tail, coma small and diffuse, averted vision.
Comp Star= GSC-8006-1011; Method= S; Cat= HS

10P/ Tempel 2

2010 Sep 02.53 UT; m1= 8.6; Dia= 8; DC= 2/3; 7x50B
No tail.
Comp Star= TYC 5855-1492-1; Method= S; Cat= TJ

2010 Sep 06.51 UT; m1= 8.6; Dia= 16; DC= 1/2; 7x50B
No tail, coma diffuse.
Comp Star= TYC 5279-1145-1; Method= S; Cat= TJ

2010 Sep 07.55 UT; m1= 8.4; Dia= 13.5; DC= 3; 7x50B
No tail.
Comp Star= TYC 5852-717-1; Method= S; Cat= TJ

C/2006 W3 Christensen

2010 Sep 06.37 UT; m1= 13.2; Dia= 0.7; DC= 2; 25cm L, f:5 (x83)
Coma very small and diffuse in crowded starfield, averted vision only.
Comp Star= GSC-8345-2983; Method= S; Cat= HS

103P/ Hartley 2

2010 Sep 06.50 UT; m1= 10.2; Dia= 7.7; DC= 2/3; 25cm L, f:5 (x39)
Coma large and diffuse, slightly concentrated condensation using averted vision, 8 degrees above local horizon.
Comp Star= TYC 3219-1183-1; Method= S; Cat= TJ

2010 Sep 07.55 UT; m1= 10.8; Dia= 11; DC= 2/3; 25cm L, f:5 (x39)
No tail.
Comp Star= TYC 3224-1968-1; Method= S; Cat= TJ
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Old 06-10-2010, 10:09 PM
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Brettstar6754 is offline
Join Date: Jun 2007
Location: Bluemountains
Posts: 108

8 Degrees!!
Hi Chris,
Well done observing Hartly.
We are going to give it a go this weekend from Ilford NSW.

Were you at an airfield?
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Old 11-10-2010, 01:22 AM
Suzy's Avatar
Searching for Travolta...

Suzy is offline
Join Date: Jan 2010
Location: Brisbane, Australia.
Posts: 3,700
This is the first time I've read a comet obs - very interesting!
Thank you for posting.
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