I ask myself the same question, how do you trade off resolution for noise reduction which is in effect Binning, and see the difference
It’s painful and time waiting but lately I’ve been trying 50% then see the outcome and then try 35%
You can see the difference when you get to your final noise reduction in Startools
If your using a DSLR it’s advisable to use 50%, 35% and only 25% when your image is terribly noisy
I think 50% works ok for most images whether your using a DSLR or cooled Astro camera ( default setting )
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