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Comet Obs 13th - 20th Oct 09
Comet Observations 13th – 20th October 2009
88P/ Howell
2009 October 13.40 UT; m1= 8.8; Dia= 5.5’; DC= 4; 25cm L, f:5 (x39)
No tail (Dust in atmosphere, LM = 5.5).
Comp Star= TYC 6814-725-1; Method= S; Cat= TJ
2009 October 16.39 UT; m1= 8.3; Dia= 5.5’; DC= 4; 25cm L, f:5 (x39)
No tail, coma diffuse with gradual increase in brightness at centre, globular cluster NGC 6293, 45’ to SE in same FOV.
Comp Star= TYC 6820-339-1; Method= S; Cat= TJ
2009 October 17.41 UT; m1= 8.3; Dia= 5.5’; DC= 4; 25cm L, f:5 (x39)
No tail, coma slightly elongated to NNW, zodiacal light interference.
Comp Star= TYC 6820-339-1; Method= S; Cat= TJ
2009 October 18.39 UT; m1= 8.2; Dia= 5.5’; DC= 4; 25cm L, f:5 (x39)
No tail.
Comp Star= TYC 6833-446-1; Method= S; Cat= TJ
2009 October 20.45 UT; m1= 9.0; Dia= 5’; DC= 4; 25cm L, f:5 (x39)
No tail, zodiacal light interference, Globular cluster NGC 6355 to the west of the comet.
Comp Star= TYC 6833-85-1; Method= S; Cat= TJ
C/2006 W3 Christensen
2009 October 13.40 UT; m1= 9.5; Dia= 5’; DC= 5/6; 25cm L, f:5 (x39)
No tail, (dust haze in atmosphere).
Comp Star= TYC 5133-2237-1; Method= S; Cat= TJ
2009 October 16.40 UT; m1= 9.2; Dia= 4’; DC= 5/6; 25cm L, f:5 (x39)
No tail.
Comp Star= TYC 5137-1441-1; Method= S; Cat= TJ
2009 October 17.42 UT; m1= 9.7; Dia= 5’; DC= 5/6; 25cm L, f:5 (x39)
No tail.
Comp Star= TYC 5137-126-1; Method= S; Cat= TJ
2009 October 18.40 UT; m1= 9.1; Dia= 2.5’; DC= 5/6; 25cm L, f:5 (x39)
No tail, strong central condensation fading gradual to coma edge.
Comp Star= TYC 5137-1395-1; Method= S; Cat= TJ
2009 October 20.44 UT; m1= 9.5; Dia= 5’; DC= 5/6; 25cm L, f:5 (x39)
No tail, coma seems elongated to NNE.
Comp Star= TYC 5141-1126-1; Method= S; Cat= TJ
22P/ Kopff
2009 October 13.41 UT; m1= 12.5; Dia= 1’; DC= 2; 25cm L, f:5 (x83)
No tail, coma small and diffuse, (dust haze in atmosphere).
Comp Star= GSC-6386-0657; Method= S; Cat= HS
2009 October 16.40 UT; m1= 12.9; Dia= 3’; DC= 2; 25cm L, f:5 (x83)
No tail, coma faint and evenly diffuse for most of the coma diameter, feathering out at the edges.
Comp Star= GSC-6386-0042; Method= S; Cat= HS
2009 October 17.42 UT; m1= 13.4; Dia= 1.5’; DC= 2; 25cm L, f:5 (x83)
Coma very faint and diffuse, no tail.
Comp Star= GSC-6386-0301; Method= S; Cat= HS
2009 October 18.41 UT; m1= 13.5; Dia= 1’; DC= 2; 25cm L, f:5 (x83)
No tail, very faint and diffuse.
Comp Star= GSC-6386-0216; Method= S; Cat= HS
217P/ Linear
2009 October 14.66 UT; m1= 9.4; Dia= 1.5’; DC= 3; 25cm L, f:5 (x39)
Tail to the WNW but faint, 4.5’ long, coma brightness uniform, coma extended to WNW, oval like.
Comp Star= TYC 4791-585-1; Method= S; Cat= TJ
2009 October 16.67 UT; m1= 9.3; Dia= 5’; DC= 5; 25cm L, f:5 (x39)
Tail to the West, 5’ long, coma slightly larger but fainter and more diffuse than 2 nights ago (14th Oct).
Comp Star= TYC 4791-373-1; Method= S; Cat= TJ
2009 October 18.63 UT; m1= 9.9; Dia= 2.5’; DC= 5; 25cm L, f:5 (x39)
Tail to the West, 4’ in length.
Comp Star= TYC 4791-666-1; Method= S; Cat= TJ
2009 October 19.69 UT; m1= 9.9; Dia= 5’; DC= 5; 25cm L, f:5 (x39)
Tail to the West, 12’ long.
Comp Star= TYC 4791-773-1; Method= S; Cat= TJ
2009 October 20.64 UT; m1= 10.1; Dia= 2’; DC= 5; 25cm L, f:5 (x39)
Tail to the West, 10’ in length.
Comp Star= TYC 4792-48-1; Method= S; Cat= TJ
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