M101 Pinwheel Galaxy HLRGB image, ASI6200MM PRO, 7.0h exposition time (855 subs selected from 2227 in four nights), good to excellent seeing (1.1"-1.4"), full moon. Planewave CDK17 2939mm f/6.8 · HLRGB · ZWO ASI6200MM Pro (mono cooled) · 14h 15min (raw total) · 855 subs · Freyung Private Observatory, Germany · 14h 03m 12.6s / +54° 20' 55.7" · 2025-05-15