I also reprocessed M42, and did MUCH better with it. The one I posted earlier was way over exposed. This one used about 15 - 1 minute frames, and some 8 second frames of the core.
And last but not least, I re-did the Andromeda Galaxy. Think I got the colors better this time.
Think I improved on all 3. Seems I've had more detail on Andromeda in the past, so I'm not certain whats up with this one. I think it was also over exposed. Overall, the images are better this time.