NGC6559 Reflection Nebula RGGB image, ASI6200MC PRO, 6.2h integration time, 30s subs (741 of 926 subs used), good seeing (around 1.3"), two nights, waning crescent moon (4%),, calm weather. Celestron RASA36 790mm f/2.2 · RGGB · ZWO ASI6200MC Pro (color cooled) · 6h 12min · 744 subs · Freyung Private Observatory, Germany · 18h 10m 00.0s / -24° 00' 00.0" · 2025-06-29