Corrigan Submitted Photos Witch’s Broom Nebula (NGC 6960)Photographer: MacastronomerIC 434Photographer: Roger DierIC 434Photographer: Roger DierThe Swan (M17)Photographer: Macastronomer← Previous photographPlay slideshowNext photograph → @corrigan Not recently active ActivityProfileGroups 0Forums Topics StartedReplies CreatedEngagementsFavorites Search replies: Forum Replies Created Viewing 1 post (of 1 total) Author Posts March 28, 2011 at 7:39 pm in reply to: Observing tonight? #10960 CorriganParticipant According to a quick calculation based on my images of M101, and my scope/camera producing about 1 arcsecond per pixel, M101 is about 15 arcminutes across. Mike Author Posts Viewing 1 post (of 1 total)
