NGC 457 | |
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![]() 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[1] 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)[2] is an open star cluster in the constellation Cassiopeia.