M97 Owl Nebula LHGO image (Luma-Ha-Green-OIII), ASI6200MM PRO, 8.0h inegration time (464 subs of 763 used), very good to good seeing (1.2"-1.4"), data from two clear nights, no moon. Planewave CDK17 2939mm f/6.8 · LHGO · ZWO ASI6200MM Pro (mono cooled) · 8h · 960 subs · Freyung Private Observatory, Germany · 11h 14m 47.7s / +55° 01' 08.4" · 2025-02-28
