NGC3561 Guitar Galaxy LRGB image, ASI6200MM PRO, 6.0h integration time, 907 Subs selected from 1598 Subs (57%), 15s Luma and 30s RGB, short exposures), ca. 80% crop, very good to good seeing (1.2" - 1.4"), 60% moon, three nights with a lot of clouds. Planewave CDK17 2939mm f/6.8 · LRGB · ZWO ASI6200MM Pro (mono cooled) · 6h · 1598 subs · Freyung Private Observatory, Germany · 11h 11m 13.2s / +28° 41' 47.0" · 2025-04-22
