NGC 457
| NGC 457 | |
|---|---|
Open cluster NGC 457 in Cassiopeia | |
| Observation data (J2000.0 epoch) | |
| Right ascension | 01h 19m 32.6s |
| Declination | +58° 17′ 27″ |
| Distance | 7.922 kly (2.429 kpc) |
| Apparent magnitude (V) | 6.4 |
| Apparent dimensions (V) | 13.0′ |
| Physical characteristics | |
| Other designations | Owl Cluster, E.T. Cluster, Caldwell 13, Cr 12, Mel 7, OCL 321, Lund 43, H VII-42, h 97, GC 256, |
| Associations | |
| Constellation | Cassiopeia |
NGC 457 (also designated Caldwell 13, and known as the Dragonfly Cluster, E.T. Cluster, Owl Cluster, Kachina Doll Cluster or Phi Cassiopeiae Cluster) is an open star cluster in the constellation Cassiopeia.