NGC 1644
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| Photo from the Hubble Space Telescope | |
| AladinLite | |
| Constellation | Swordfish |
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Position equinox : J2000.0 |
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| Right ascension | 04 h 37 m 40.1 s |
| declination | -66 ° 11 ′ 57 ″ |
| Appearance
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| Brightness (visual) | 12.9 mag |
| Brightness (B-band) | 12.5 mag |
| Angular expansion | 1 ′, 6 |
| Physical data
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| Affiliation | Large Magellanic Cloud |
| history | |
| Discovered by | James Dunlop |
| Discovery time | 1826 |
| Catalog names | |
| NGC 1644 • ESO 84-SC30 • GC 894 • h 2657 • | |
NGC 1644 is an open star cluster in the Large Magellanic Cloud , which is in the constellation Dorado . The star cluster was discovered by James Dunlop in 1826 and later listed in the New General Catalog by Johan Ludvig Emil Dreyer .