M645 A 150/2.8 star test
F2.8 stars in four corners:
F4 PixInsight FWHM/Eccentricity:
F4 stars in four corners:
F4 PixInsight FWHM/Eccentricity:
(Camera=D800)
posted by ALOHA at 1:20 AM
Wednesday, February 18, 2015
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