M78

Messier 78
Messier 78 is a challenging target in the constellation Orion. Click the picture for a larger view.

I knew when I first shot this that I wanted to do it again with more focal length, so here it is.  Used the 127mm apochromatic tube with a focal reducer for a focal length of 666.4 mm.  This images uses the best 117 of 152 exposures that I shot, 15 of them were 8 minutes at ISO 1600 and the other 102 were 4 minutes at ISO 3200, for a total of 8 hours 48 minutes of data.  Shot on 11/6/2015 and 11/13/2015.

I have processed this data more than a dozen times.  No other rendition even vaguely resembles this one, and it is the only one I like.

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