21 May 2023
M6, the Butterfly Cluster, is an open cluster of stars located in the southern constellation Scorpius. It is approximately 1,600 light-years from Earth. (This image shows SHO nebulosity with LRGB 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 |