250507 Caldwell 21 Dwarf Galaxy - CDK17 nativ LRGB
HaLRGB image, ASI6200MM PRO, 3.2h integration time, 2 nights. 1322 Subs aquired, 712 useable, 399 selected by quality. Half moon, small clouds, dry, good to excellent seeing (1.1" - 1.4").
07.05.2025, 21:49:09