Mixed, Uncategorized

M13

Optik / Mount: 12 ″ ACF 2,7 m AP-Reduzer Alt-5 Kamera / Filter: ZWO ASI 6200 MM Pro Mono, Astrodon L, RGB ca. 5 hours Date 18. Mai 2020 Messier 13 and sometimes called the Hercules Globular Cluster, is a globular cluster of several hundred thousand stars in the constellation […]