Sh2-045 Swan Nebula HSO narrowband image (3nm Chroma), Hubble 3 palette (modified), ASI6200MM PRO, 3,3h integration time in 2 nights, good to excellent seeing (very low object). Planewave CDK17 1940mm f/4.5 (0.66× Red.) · HSO · ZWO ASI6200MM Pro (mono cooled) · 2h 19min (raw total) · 66 subs · Freyung Private Observatory, Germany · 18h 20m 21.2s / -16° 13' 36.8" · 2024-07-29