Pixel Scale Sampling Advisor
Check whether your pixel scale undersamples, matches, or oversamples typical seeing so you can tune focal length and camera pairing.
Frequently asked questions
What is good sampling?
A common rule is about 2–3 pixels across the seeing FWHM. Fewer pixels undersample; many more oversample and waste signal.
Does Guyana seeing stay poor?
Coastal seeing is often 2–3″. Do not chase tiny pixels unless you image from a calmer inland site.
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