A test for RASA + OSC in severe light pollution areas

As I recently published in this picture: https://app.astrobin.com/i/mpt4sg

I’ve been working on making my RASA11 + 2400MC Pro setup working for a while. However, I was getting very strange artifects even with skylight flats, night sky flats, or flat panel. I always get something like this: 📷 image.pngLast night I revisited the setup, and I thought of one of my friend told me OSC needs more effort to use: you have to split RGB, integrate them separately and then recombine them. I wasn’t using OSC at that time. But somehow I took his advice. I retake skylight flat at dawn, then I debayer all images - Flats, Darks, Lights - to RGB separate channels. Then I got a very flat background - at least compared to previous one. As top image shows, even with aggressive stretch, artifects are not overwhelming targets across the full frame image. So for anyone who is also suffering strange artifects with OSC in high light pollution area, I would suuggest a try of this way, just first debayer to separate RGB channel and integrate, maybe the result will be much better