ARP104 Keenan's System LRGB image, ASI6200MM PRO, 11.4h integration time, 1570 of 2854 subs used, excellent to gver< ood seeing (0.8"-1.2"), five full nights, crescent half moon, no wind, dry Planewave CDK17 2939mm f/6.8 · LRGB · ZWO ASI6200MM Pro (mono cooled) · 11h 24min · 1570 subs · Freyung Private Observatory, Germany · 13h 32m 09.0s / +62° 42' 02.0" · 2026-04-22