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Ben, I truly don't want to seem unkind, discouraging, or disparaging, but
why have you dived into the deep end with large numbers of very long subs, and using PS, when you don't have the basics of image acquisition and stacking off pat?
I suggest that you start with JPEGs, easier for beginners to work with.
Don't bother with post processing at all until you have mastered Deep
Sky Stacker, or whatever software you use for stacking.
For an object with a bright core such as M42 or 2070 you need some very
short subs as well as longer ones so you can quieten down the core in PS
or other software.
I have attached an early 2070 of mine from years ago for comparison. 5 x 90 secs ISO 1600, noise reduction enabled, so no separate darks. No post
processing, all done in Deep Sky Stacker. Your modded camera will of course show more red.This image shows the correct colours with the RGB cones synchronised in DSS with an unmodded camera. Bear in mind that this imageis 7.5 minutes, not 14 hrs. A larger scope, true, but still well under an hour on your 80mm scope. The exposures you are using are mostly utilised by advanced imagers on faint objects.
raymo
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