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interesting results Barry - thanks for posting.
Do you have software to measure FWHM? Be interesting to see if you got a resolution gain, since Drizzle is part of super-res family.
Nebulosity does drizzle really well. FWIW, I have had some trouble getting equivalent results from Pixinsight, but suspect it may require a different approach to the standard registration method.
A critical part of the process is adequate dither to obtain subpixel offsets - what dither scale do you use?
regards Ray
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