NGC 2254
AladinLite | |
Constellation | unicorn |
Position equinox : J2000.0 |
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Right ascension | 06 h 43 m 49.6 s |
declination | + 07 ° 40 ′ 24 ″ |
Appearance
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classification | I2p |
Brightness (visual) | 9.1 mag |
Angular expansion | 6.0 |
Physical data
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distance | 7700 ly (2364 pc ) |
history | |
Discovered by | William Herschel |
Discovery time | December 28, 1788 |
Catalog names | |
NGC 2254 • C 0633 + 077 • OCl 500 • Cr 103 • Lund 234 • GC 1432 • H VII 22 • h 397 • |
NGC 2254 is an open cluster of Trumpler type I2p in the constellation Unicorn south of the celestial equator . It has a diameter of 6 arc minutes and an apparent magnitude of 9.1 mag.
The object was discovered on December 28, 1788 by William Herschel .