NGC 2259
AladinLite | |
Constellation | unicorn |
Position equinox : J2000.0 |
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Right ascension | 06 h 38 m 21.4 s |
declination | + 10 ° 53 ′ 01 ″ |
Appearance
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classification | II2p |
Brightness (visual) | 10.8 mag |
Angular expansion | 3.5 |
Physical data
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Affiliation | Milky Way |
distance | 10800 ly (3311 pc ) |
history | |
Discovered by | William Herschel |
Discovery time | January 1, 1787 |
Catalog names | |
NGC 2259 • C 0635 + 109 • OCl 492 • Cr 108 • GC 1435 • H VI 28 • |
NGC 2259 is a galactic open star cluster of the Trumpler type II2p in the constellation Monoceros north of the celestial equator . It has a diameter of 3.5 arc minutes and an apparent magnitude of 10.8 mag.
The object was discovered on January 1st, 1787 by William Herschel .