NGC 1557
AladinLite | |
Constellation | Little water snake |
Position equinox : J2000.0 |
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Right ascension | 04 h 13 m 11.2 s |
declination | -50 ° 09 ′ 52 ″ |
Appearance
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Angular expansion | 10 ' |
Number of stars | 10-15 |
Physical data
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distance | 3400 ly (1055 pc ) |
history | |
Discovered by | John Herschel |
Discovery time | November 24, 1834 |
Catalog names | |
NGC 1520 • ESO ESO 55 - ** 15 • GC 841 • h 2633 • |
NGC 1557 is a group of stars near HD 27346 in the constellation Hydrus in the southern sky .
The object was discovered on November 24, 1834 by John Herschel .
Individual evidence
- ↑ NASA / IPAC EXTRAGALACTIC DATABASE
- ↑ SEDS : NGC 1557
- ↑ AL Tadross: A catalog of 120 NGC open star cluster . In: Journal of the Korean Astronomical Society , 44, 2011, pp. 1-11. doi: 10.5303 / JKAS.2011.44.1.1 .
- ↑ Seligman