NGC 4103
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| AladinLite | |
| Constellation | southern Cross |
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Position equinox : J2000.0 |
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|---|---|
| Right ascension | 12 h 06 m 39.6 s |
| declination | -61 ° 15 ′ 00 ″ |
| Appearance
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| classification | I3m |
| Brightness (visual) | 7.4 mag |
| Angular expansion | 6.0 ' |
| Physical data
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| Affiliation | Milky Way |
| Redshift | −0.000040 |
| Radial velocity | −12.00 km / s |
| distance | 5300 ly (1632 pc ) |
| history | |
| Discovered by | James Dunlop |
| Discovery time | April 30, 1826 |
| Catalog names | |
| NGC 4103 • C 1204-609 • OCl 871 • Mel 109 • Cr 252 • Dun 291 • ESO 130-SC5 • GC 2718 • h 3377 • | |
NGC 4103 is an open cluster of Trumpler type I3M in the constellation of the Southern Cross. It has a diameter of 6 ′ and an apparent magnitude of 7.4 mag.
The object was discovered on April 30, 1826 by James Dunlop .