NGC 2395
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| AladinLite | |
| Constellation | Twins |
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Position equinox : J2000.0 |
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|---|---|
| Right ascension | 07 h 27 m 12.8 s |
| declination | + 13 ° 36 ′ 30 ″ |
| Appearance
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| classification | III1p |
| Brightness (visual) | 8.0 likes |
| Angular expansion | 15th |
| Physical data
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| Affiliation | Milky Way |
| distance | 1700 ly (512 pc ) |
| history | |
| Discovered by | William Herschel |
| Discovery time | March 16, 1784 |
| Catalog names | |
| NGC 2395 • C 0724 + 136 • OCl 502 • Cr 144 • Lund 338 • GC 1534 • H VIII 11 • | |
NGC 2395 is a galactic open star cluster in the constellation Gemini on the ecliptic .
It has an angular diameter of 15 arc minutes and a brightness of 8.0 mag. The cluster is about 1,700 light years from the solar system , is about 6 light years in diameter and contains about 20 stars . Its age is estimated to be 1.5 billion years.
The planetary nebula Abell 21, also known as the Medusa nebula , is located in its optical proximity .
The object was discovered on March 16, 1784 by William Herschel .