05 Apr 2026
Messier 12 or M 12 is a globular cluster in the constellation of Ophiuchus. It was discovered by the French astronomer Charles Messier on May 30, 1764, who described it as a "nebula without stars". In dark conditions this cluster can be faintly seen with a pair of binoculars.
M12
4 credit
Filter | Avg Exp (s) | Total Exposure | Subframes |
|---|---|---|---|
| Blue | 350 | 1h45m | 18 |
| Green | 250 | 1h15m | 18 |
| Red | 300 | 1h30m | 18 |
| Luminance | 300 | 1h25m | 17 |