Alpha Persei Cluster
From Wikipedia, the free encyclopedia
| Alpha Persei Cluster | |
| Observation data (2000.0 epoch) | |
|---|---|
| Constellation | Perseus |
| Right ascension | 03h 22m: |
| Declination | +49° 0′: |
| Distance | 600 ly () |
| Apparent magnitude (V) | 1.2 |
| Apparent dimensions (V) | 185' |
| Other designations | Cr 39, Mel 20 |
| See also: Open cluster, List of open clusters | |
The Alpha Persei Cluster, also known as Melotte 20 or Collinder 39, is an open cluster of stars in the constellation Perseus. It consists of several stars of spectral types O and B in the vicinity of Alpha Persei and is visible to the naked eye.
