Sh2-135 faint Nebula HSO1-palette narrowband image with ASI6200MM PRO, 3 nights, 8.1h exposure after selecting, 6.5h finally used (80%). medium to exeptional seeing (1.2'-1.7') Celestron RASA36 790mm f/2.2 · HRGB · ZWO ASI6200MM Pro (mono cooled) · 8h 06min (raw total) · 243 subs · Freyung Private Observatory, Germany · 22h 22m 11.6s / +58° 44' 17.9" · 2022-10-22
