5 min Optik / Mount: Tak Epsilon 180ED, Alt-5 TeenAstroCamera / Filter: ZWO ASI 6200 MM Pro MonoAstrodon SII, Ha, OIII 5h30min all 2bin and RGB for the starsDate 26.09.2023 The Cassiopeia OB2 region includes a long, bright H II region linked to a large association of young, hot stars, […]
