NGC 2304
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| AladinLite | |
| Constellation | Twins |
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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 .