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Old 21-06-2011, 04:27 PM
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Outbackmanyep
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Join Date: Oct 2006
Location: Walcha , NSW
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Comet Obs 19th & 20th June 2011

Comet Observations 19th & 20th June 2011
C/2010 X1 Elenin
2011 Jun 19.37 UT; m1= 13.5; Dia= 1.2’; DC= 2; 25cm L, f:5 (x83)
Coma very diffuse, visible using averted vision in good seeing, slight interference by zodiacal light.
Comp Star= ASAS-3 103300+0733.7; Method= S; Cat= AU

2011 Jun 20.37 UT; m1= 13.8; Dia= 1’; DC= 2/3; 25cm L, f:5 (x83)
Coma detected using averted vision in good seeing, coma small with brightish central condensation no tail, slight interference by zodiacal light.
Comp Star= ASAS-3 103419+0729.5; Method= S; Cat= AU


29P/ Schwassmann Wachmann
2011 Jun 19.38 UT; m1= 12.1; Dia= 3.3’; DC= 2/3; 25cm L, f:5 (x39)
Coma close to bright star making observation difficult, no tail, coma seems almost evenly diffuse, smallish broad central condensation.
Comp Star= ASAS-3 104753+0146.1; Method= S; Cat= AU

2011 Jun 20.37 UT; m1= 12.4; Dia= 3.3’; DC= 1; 25cm L, f:5 (x83)
Coma appears evenly diffuse, no tail.
Comp Star= ASAS-3 104852+0040.4; Method= S; Cat= AU


C/2009 F4 McNaught
2011 Jun 19.39 UT; m1= 13.7; Dia= 0.6’; DC= 5/6; 25cm L, f:5 (x83)
Coma small but had bright starlike central condensation, averted vision.
Comp Star= ASAS-3 110228-7923.7; Method= M; Cat= AU
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