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RE: Guide To Basic Astrophotography 10
Wow, I always thought that images from space were RAW or maybe even minimally processed. I had no idea there were so many ways of image processing for adquiring even more detail!
Well done!
Thank's @deholt there are varying degrees of processing, mild application is best so as not to introduce artefacts in the image. When these filters are used too excessively they can introduce image artefacts.
You can see in the examples above for the unsharp masking the 85% and 95% are too aggressive IMO and are starting to introduce "ringing" around detail.