I have only images M46 once before-last year when I was doing my Messier Marathon. When I imaged it then, I did not get as wide a view as I captured tonight. When I was looking at it in Stellarium, I noticed that there was a planetary nebula in the midst of the open cluster that is M46 and thought it would be a neat object to image. I’ve centered the image on the nebula (NGC 2438) which throws the open cluster a bit off center, but I like the image better this way.
April 12, 2009
M46-Open Cluster in Puppis on 4/11/09
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