M51 Whirlpool Galaxy HLRGB image, ASI6200MM PRO, 4.4h integration time, 4 nights (18.4h exposed, only 1/4 used), good to mediocre seeing (1.3"-1.8"), full moon. Planewave CDK17 1940mm f/4.5 (0.66× Red.) · HLRGB · ZWO ASI6200MM Pro (mono cooled) · 4h 24min · 66 subs · Freyung Private Observatory, Germany · 13h 29m 52.7s / +47° 11' 43.1" · 2024-05-25
