Okay, here’s M42 again. This is 10x60s, 5x120s, and 3x180s subexposures, with dark subtraction for each set. Then I combined each of the 3 sets. I didn’t do any stretching as I’m pretty clueless about that stuff. But I was able to sharpen things up. The core is blown out obviously, that’s my next project on this data set.
