#1  
Old 15-09-2009, 07:19 PM
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Outbackmanyep
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Comet obs 9th - 13th Sept 09

Comet Observations 9th to 13th September 2009

C/2008 T2 Cardinal
2009 September 09.39 UT; m1= 12.4; Dia= 0.5’; DC= 3; 25cm L, f:5 (x83)
No tail, coma small and faint.
Comp Star= GSC-8238-0041; Method= S; Cat= HS

2009 September 11.41 UT; m1= 13.1; Dia= 25’’; DC= 6; 25cm L, f:5 (x139)
No tail, faint.
Comp Star= GSC-8239-1434; Method= S; Cat= HS


88P/ Howell
2009 September 09.40 UT; m1= 9.1; Dia= 6.5’; DC= 5; 25cm L, f:5 (x39)
Coma elongated to the North. No tail, slightly affected by zodiacal light.
Comp Star= TYC 6172-142-1; Method= S; Cat= TJ

2009 September 11.40 UT; m1= 8.4; Dia= 8’; DC= 4/5; 25cm L, f:5 (x39)
Coma elongated to the West, central condensation more diffuse, no tail.
Comp Star= TYC 6177-857-1; Method= S; Cat= TJ

2009 September 12.37 UT; m1= 8.4; Dia= 6.5’; DC= 5; 25cm L, f:5 (x39)
No tail, slight interference by zodiacal light.
Comp Star= TYC 6177-857-1; Method= S; Cat= TJ

2009 September 13.40 UT; m1= 8.1; Dia= 7’; DC= 6; 25cm L, f:5 (x39)
No tail, central condensation small but stellar, coma surface brightness more evenly spread, coma elongated to the West.
Comp Star= TYC 6182-968-1; Method= S; Cat= TJ


C/2006 W3 Christensen
2009 September 09.41 UT; m1= 7.9; Dia= 5’; DC= 6; 25cm L, f:5 (x39)
Coma elongated slightly to the East, background stars in coma.
Comp Star= TYC 1056-3807-1; Method= S; Cat= TJ

2009 September 11.42 UT; m1= 8.8; Dia= 5’; DC= 6; 25cm L, f:5 (x39)
Coma elongated to the North-East, background stars in coma.
Comp Star= TYC 1056-2165-1; Method= S; Cat= TJ

2009 September 13.40 UT; m1= 8.2; Dia= 6.5’; DC= 5/6; 25cm L, f:5 (x39)
No tail, coma elongated to North North-East.
Comp Star= TYC 1055-4222-1; Method= S; Cat= TJ




22P/ Kopff
2009 September 09.41 UT; m1= 11.7; Dia= 4’; DC= 4; 25cm L, f:5 (x39)
No tail.
Comp Star= GSC-5818-0538; Method= S; Cat= HS

2009 September 11.43 UT; m1= 10.2; Dia= 6.5’; DC= 6; 25cm L, f:5 (x39)
No tail.
Comp Star= TYC 6386-811-1; Method= S; Cat= TJ

2009 September 12.44 UT; m1= 10.4; Dia= 4’; DC= 5/6; 25cm L, f:5 (x39)
No tail, central condensation small and stellar, coma slightly elongated to the North.
Comp Star= TYC 6386-753-1; Method= S; Cat= TJ

2009 September 13.41 UT; m1= 10.3; Dia= 4’; DC= 5/6; 25cm L, f:5 (x39)
No tail, coma diffuse, star at coma edge..
Comp Star= TYC 6386-824-1; Method= S; Cat= TJ

217P/ Linear
2009 September 12.57 UT; m1= 10.6; Dia= 2.5’; DC= 6; 25cm L, f:5 (x39)
Coma quite evenly diffuse, tail to the West, approximately 5’ in length.
Comp Star= TYC 4741-1108-1; Method= S; Cat= TJ

2009 September 13.68 UT; m1= 10.6; Dia= 1’; DC= 4; 25cm L, f:5 (x39)
Coma quite evenly diffuse, tail to the West, approximately 3’ in length.
Comp Star= TYC 4745-1072-1; Method= S; Cat= TJ

Cheers!

Last edited by Outbackmanyep; 15-09-2009 at 07:32 PM.
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  #2  
Old 25-09-2009, 07:26 AM
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ngcles
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Location: Billimari, NSW Central West
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Zodiacal light

Hi Chris,

Thanks for posting these observations as it keeps us all up to date on what these comets are doing. 88P Howell seems to be brightening nicely.

I sure wish my observing was hindered by the zodiacal light more often!


Best,

Les D
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