The Butterfly open star cluster (M6, NGC 6405; mag 4.2) in Scorpius culminates at around midnight local time. https://in-the-sky.org/news.php?id=20210616_17_100
The Butterfly cluster is well placed
- Donnerstag, 17. Juni 2021, 01:59-01:59
- AstroService
- 31 Zugriffe
