Sh2-273 Cone Nebula RegionHYO image reduced to black and white because of bad colors, ASI6200MM PRO, 2.5h integration time, good seeing (ca. 1.3")Celestron RASA36 790mm f/2.2 · H · ZWO ASI6200MM Pro (mono cooled) · 5h 06min · 153 subs · Freyung Private Observatory, Germany · 06h 40m 53.7s / +09° 52' 32.2" · 2022-12-28