Amateur Telescope Makers of Boston

Äîêóìåíò âçÿò èç êýøà ïîèñêîâîé ìàøèíû. Àäðåñ îðèãèíàëüíîãî äîêóìåíòà : http://www.atmob.org/gallery/showimage.php?id=1685
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Submitted by Al Takeda on 10/12/2010 13:23:34

P103/Comet Hartley 2 and the Double Cluster

P103/Comet Hartley 2 and the Double Cluster in Perseus. The comet brightened to approximately 6th magnitude as it passed the open clusters NGC 869 and NGC 884. The clusters are separated by a few hundred light years (ly) and are 7,000 ly away. Takahashi Epsilon-180, Canon 20D DSLR, 2 - 5 minute sub frames. Chester, Vermont. 8 October 2010.

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