NGC 2129
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| SDSS image, angle of view 13.2 '× 13.2' | |
| AladinLite | |
| Constellation | Twins |
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Position equinox : J2000.0 |
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| Right ascension | 06 h 01 m 06.5 s |
| declination | + 23 ° 19 ′ 20 ″ |
| Appearance
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| classification | III3p |
| Brightness (visual) | 6.7 likes |
| Angular expansion | 6.0 ' |
| Physical data
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| Affiliation | Milky Way |
| distance | approx. 5000 ly (1515 pc ) |
| history | |
| Discovered by | William Herschel |
| Discovery time | November 16, 1784 |
| Catalog names | |
| NGC 2129 • C 0558 + 233 • OCl 467 • Cr 77 • Lund 293 • GC 1325 • H VIII 26 • h 372 • | |
NGC 2129 is a type III3p open star cluster on the border of the constellations Gemini and Taurus in the immediate vicinity of the summer point. NGC 2129 has an apparent magnitude of 6.7 mag and a diameter of 6 '. The cluster is about 5000 light years away from the solar system and has a diameter of about 10 light years . At 10 million years old, it is one of the youngest of its kind.
The object was discovered on November 16, 1784 by William Herschel