NGC 457
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| Observation data: J2000.0 epoch | |
|---|---|
| Class: | - |
| Constellation: | |
| Right ascension: | 01h 19.1m |
| Declination: | +58° 20′ |
| Distance: | - ly () |
| Apparent magnitude (V): | 6.4 |
| Apparent dimensions (V): | 13.0″ |
| Physical characteristics | |
| Mass: | (- M☉) |
| Radius: | |
| VHB: | - |
| Estimated age: | |
| Notable features: | - |
| Other designations: | - |
| See also: Open cluster, List of open clusters | |
NGC 457 is an open star cluster in the constellation Cassiopeia. It contains nearly one hundred stars and lies over 9,000 light years away from the Sun. The cluster is sometimes referred by amateur astronomers as the Owl Cluster, or the ET Cluster, due to its resemblance to the movie character.
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