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Old 19-12-2009, 12:09 PM
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Outbackmanyep
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Join Date: Oct 2006
Location: Walcha , NSW
Posts: 1,652
Comet obs 25th Nov to 18th Dec

Comet Observations 25th November to 18th December 2009


29P/ Schwassmann-Wachmann


2009 November 25.72 UT; m1= 13.2; Dia= 0.8; DC= 1; 25cm L, f:5 (x83)
No tail, small and diffuse.
Comp Star= GSC-0832-1542; Method= S; Cat= HS


88P/ Howell


2009 December 07.43 UT; m1= 9.2; Dia= 7.7; DC= 4; 25cm L, f:5 (x39)
No tail.
Comp Star= TYC 6907-1365-1; Method= S; Cat= TJ

2009 December 13.42 UT; m1= 10.0; Dia= 2.3; DC= 3; 25cm L, f:5 (x83)
No tail, smoke haze from bushfires.
Comp Star= TYC 6356-1089-1; Method= S; Cat= TJ

2009 December 15.44 UT; m1= 11.3; Dia= 5.5; DC= 2; 25cm L, f:5 (x39)
Coma slightly elongated to NW.
Comp Star= GSC-6356-1365; Method= S; Cat= HS

2009 December 17.44 UT; m1= 9.8; Dia= 5.5; DC= 3; 25cm L, f:5 (x39)
No tail.
Comp Star= TYC 6357-1487-1; Method= S; Cat= TJ


169P/ NEAT


2009 December 07.42 UT; m1= 11.6; Dia= 3.6; DC= 2/3; 25cm L, f:5 (x83)
No tail.
Comp Star= GSC-7418-2171; Method= S; Cat= HS

2009 December 17.43 UT; m1= 13.3; Dia= 1; DC= 1; 25cm L, f:5 (x83)
No tail.
Comp Star= GSC-7929-0456; Method= S; Cat= HS


217P/ Linear


2009 November 25.70 UT; m1= 12.2; Dia= 1; DC= 3; 25cm L, f:5 (x83)
No tail.
Comp Star= GSC-4784-1728; Method= S; Cat= HS


2009 December 07.48 UT; m1= 14.0; Dia= 1.6; DC= 3; 25cm L, f:5 (x83)
Coma elongated to the North.
Comp Star= GSC-0134-1095; Method= S; Cat= HS

2009 December 15.47 UT; m1= 12.0; Dia= 2.7; DC= 4/5; 25cm L, f:5 (x83)
No tail.
Comp Star= GSC-0125-0300; Method= S; Cat= HS

2009 December 16.69 UT; m1= 11.0; Dia= 6.4; DC= 2; 25cm L, f:5 (x39)
No tail.
Comp Star= GSC-0124-0616; Method= S; Cat= HS

2009 December 17.47 UT; m1= 10.5; Dia= 4.8; DC= 1/2; 25cm L, f:5 (x39)
No tail, very diffuse.
Comp Star= GSC-0124-0965; Method= S; Cat= HS


118P/ Shoemaker-Levy 4


2009 December 15.46 UT; m1= 12.4; Dia= 1; DC= 2; 25cm L, f:5 (x139)
No tail.
Comp Star= GSC-0716-1512; Method= S; Cat= HS

2009 December 16.69 UT; m1= 13.5; Dia= 1.2; DC= 2; 25cm L, f:5 (x139)
No tail.
Comp Star= GSC-0716-1600; Method= S; Cat= HS

2009 December 17.46 UT; m1= 12.8; Dia= 1; DC= 3; 25cm L, f:5 (x83)
Coma very small and diffuse, no tail.
Comp Star= GSC-0716-1582; Method= S; Cat= HS


81P/ Wild 2


2009 December 16.70 UT; m1= 10.7; Dia= 6.4; DC= 5; 25cm L, f:5 (x39)
No tail.
Comp Star= GSC-0274-0832; Method= S; Cat= HS

2009 December 17.67 UT; m1= 10.7; Dia= 4.8; DC= 5; 25cm L, f:5 (x39)
Coma elongated to the West, seems to show a broad 9 tail in PA 270.
Comp Star= TYC 274-301-1; Method= S; Cat= TJ


C/2007 Q3 Siding Spring


2009 December 16.71 UT; m1= 11.3; Dia= 4.2; DC= 6; 25cm L, f:5 (x39)
No tail, coma slightly elongated to the West, central condensation bright.
Comp Star= TYC 1457-539-1; Method= S; Cat= TJ

2009 December 17.71 UT; m1= 11.0; Dia= 2.2; DC= 6; 25cm L, f:5 (x83)
Coma diffuse with sharp stellar central condensation, faint broad coma extension to the West.
Comp Star= TYC 1457-262-1; Method= S; Cat= TJ
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