NGC6871 Cygni Widefield IHO (Infrared-Halpha-OIII) image, ASI 6200MM PRO, 6.6h integration time (3 full moon nights with lots of clouds), extraordinary to very good seeing (0.9"-1.2") Celestron RASA36 790mm f/2.2 · IHO · ZWO ASI6200MM Pro (mono cooled) · 6h 36min · 370 subs · Freyung Private Observatory, Germany · 20h 06m 07.9s / +35° 46' 45.1" · 2023-08-01
