Quote:
Originally Posted by Bassnut
"There's no right tool objectively, only subjectively". That's not entirely true. Many tools in astrophotography are technical in nature and not really subjective. Decon for instance is an early step on linear data in PI, in ST this process can be invoked at any time during processing. The creator of PI has stated Decon later (for various reasons) would be far too difficult to implement. ST has done this. PI is powerful to be sure, but its old school linear processes just indicate lazy software development to me.
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If you have a stretched image you cannot do a proper deconvolution on it. You may be able to improve a stretched image by some process that resembles decon, but calling it deconvolution doesn’t make it so.
Proper decon relies on an accurate measure of the psf and stretched images lose the property of having a unique psf.
BTW there is nothing to stop you using the decon process in PI on a stretched image if you are so minded. It will almost certainly improve the image but mathematically speaking it won’t be a proper deconvolution.