This is a very dim object. I took over 15 hours of data on M78 and it still contained noise which I had to smooth out. I was taking 20 minute subs in the Luminence and that should have been something like 30 minutes or even 40 minutes. 16 minutes will show the brighter regions but not the darker areas. Stretching will always bring out the noise. Longer subs will help you.
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