This is a link to a dropbox with 4 images being the luminance and RGB frames.
Yes I know there's collimation and coma problems. I can't afford a coma corrector and was very tight on time so couldn't really collimated precisely. But besides those issues the color images are 20 stacked frames at 150 seconds each and the luminance being 40 150 seconds taken with a f/4 refractor with a QHY183 monochrome camera. I cannot afford pixinsight so I did some histogram and levels adjustments in gimp as well as combined the color channels and I feel like for over 4 hours of exposure the amount of detail and color is severely lacking. All photos were taken at a gain of 11 because light pollution and cooled to -30 C. I know images immediately stacked are not supposed to look amazing, but even after some stretches' and curve adjustments I still feel like the detail and color is not what it should be given the camera and the integration time. Are these images actually useless or is gimp just not very good at precise image processing. I can get detail from black and white only, but when dealing with color it gets funky and feels like I'm wasting my time and should move onto a different hobby.