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Saturn is a very difficult target to process - the high contrast edges everywhere around the rings are artifact-magnets, even the slightest drop in seeing (or seeing "cells" that drift across in front of the scope) will cause ghosting and double-edges.
Pretty much any enhancement you try, if applied to the image as a whole, will also cause the edges to over-sharpen and look nasty.
On the whole, it's damn near impossible to get pristine rings and still bring up enough detail on the globe to look interesting.
Bring back Jupiter, it's a whole lot easier...
cheers, Bird
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