My setup is not ideal and I end up with unwanted results in post-processing because of it. This usually complicates my DynamicBackgroundExtraction task and I can't ever get it right. I haven't figured out nice settings for it, and there's not a lot I can do (that's free...
) in terms of my setup.
So, I've been trying alternative methods of removing backgrounds. One in particular has been very promising although admittedly it won't work on your nicer nebulous images. I was inspired by tutorials showing how to remove stars and what some parts of the PhotometricColorCalibration process does. Basically, I duplicate the image and try to remove stars or other fine details by way of removing wavelet layers, MorphologicalTransformation, Convolution, etc.. When I have a really smooth image of the global structures, I use PixelMath to subtract this from the original with a tiny pedestal. For star images, wow does this work!
Anyways, I'm curious if anyone else has methods of 'background' removal that might not be typical or intended as such.