NGC 2304
AladinLite | |
Constellation | Twins |
Position equinox : J2000.0 |
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Right ascension | 06 h 55 m 11.6 s |
declination | + 17 ° 59 ′ 34 ″ |
Appearance
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classification | II1p |
Brightness (visual) | 10.0 mag |
Angular expansion | 3.0 |
Physical data
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distance | 13000 ly (3991 pc ) |
history | |
Discovered by | William Herschel |
Discovery time | December 30, 1783 |
Catalog names | |
NGC 2304 • C 0652 + 180 • OCl 562 • Cr 120 • GC 1467 • H VI 2 • h 415 • |
NGC 2304 is a type II1p open star cluster in the constellation Gemini . The cluster is 3 arc minutes in diameter and has an apparent magnitude of 10.0 mag.
The object was discovered on December 30, 1783 by William Herschel .