NGC4490 Cocoon Galaxy LRGB image, ASI6200MM PRO, 4.8h integration time, 376 Subs selected from 1210 Subs (31%), 30s Luma and 60s RGB, short exposures), ca. 50% crop,, very good to good seeing (1.2" - 1.4"), 80% moon, three nights. Planewave CDK17 2939mm f/6.8 · LRGB · ZWO ASI6200MM Pro (mono cooled) · 4h 48min · 1210 subs · Freyung Private Observatory, Germany · 12h 30m 34.5s / +41° 38' 25.8" · 2025-04-17