This chapter presents a selection of image processing techniques that are more specific to astronomy. Again, vita brevis, ars longa - more techniques have been invented than any individual can master, and I make no attempt to be exhaustive.
You do not have to master every known technique in order to get good pictures. Keep in mind that there are many ways to achieve almost identical results. Indeed, in the next few years I expect a shakedown and simplification as astrophotographers unclutter their digital toolboxes.
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