11 Nov 2026
Known as the Butterfly Cluster, this open cluster is in the constellation Scorpius. The brightest member of the cluster is an orange-yellow K type giant, named BM Scorpii. It is surrounded by mostly hot, young blue stars.
M6
6 credit
Filter | Avg Exp (s) | Total Exposure | Subframes |
|---|---|---|---|
| Blue | 330 | 1h50m | 20 |
| Green | 285 | 1h35m | 20 |
| Red | 315 | 1h45m | 20 |
| Luminance | 332 | 1h45m | 19 |
| Halpha | 237 | 1h15m | 19 |