Melotte 186
| Melotte 186 | |
|---|---|
Simulated image of Melotte 186 | |
| Observation data (J2000.0 epoch) | |
| Right ascension | 18h 01m 06.0s |
| Declination | +02° 54′ 00″ |
| Distance | 652 ly (200 pc) |
| Apparent magnitude (V) | 3.0 |
| Apparent dimensions (V) | 240' |
| Physical characteristics | |
| Estimated age | 100 million years |
| Other designations | Mel 186, Cr 359 |
| Associations | |
| Constellation | Ophiuchus |
Melotte 186 (also known as Collinder 359) is a large, loosely bound open cluster located in the constellation Ophiuchus. It has an apparent magnitude of 3.0 and an approximate size of 240 arc-minutes.