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Double Cluster
Open clusters in the constellation Perseus / From Wikipedia, the free encyclopedia
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The Double Cluster (also known as Caldwell 14) consists of the open clusters NGC 869 and NGC 884 (often designated h Persei and χ (chi) Persei, respectively), which are close together in the constellation Perseus. Both visible with the naked eye, NGC 869 and NGC 884 lie at a distance of about 7,500 light years in the Perseus Arm of the Milky Way galaxy.[2]
Quick Facts Observation data (J2000.0 epoch), Right ascension ...
Double Cluster | |
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Observation data (J2000.0 epoch) | |
Right ascension | 2h 20m |
Declination | 57° 08′ |
Distance | 7,460 and 7,640ly[1] (2,290 and 2340pc[1]) |
Apparent magnitude (V) | 3.7 and 3.8 |
Apparent dimensions (V) | 60′ |
Physical characteristics | |
Other designations | Caldwell 14 |
Associations | |
Constellation | Perseus |
See also: Open cluster, List of open clusters |
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