NGC 1545
AladinLite | |
Constellation | Perseus |
Position equinox : J2000.0 |
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Right ascension | 04 h 20 m 56.2 s |
declination | + 50 ° 15 ′ 19 ″ |
Appearance
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classification | II 2 p |
Brightness (visual) | 6.2 mag |
Brightness (B-band) | 7.2 likes |
Angular expansion | 12 ' |
Redness ( excess color E (BV)) | 1.481 |
Physical data
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Affiliation | Milky Way |
Redshift | −0.000042 |
Radial velocity | −12.70 km / s |
distance | 2319 ly (711 pc ) |
history | |
Discovered by | William Herschel |
Discovery time | December 28, 1790 |
Catalog names | |
NGC 1545 • C 0417 + 501 • OCl 399 • Cr 49 • GC 831 • H VIII 85 • |
NGC 1545 is the name of an open star cluster in the constellation Perseus and has an angular diameter of 12 arc minutes and a brightness of +6.2 mag. The open star cluster NGC 1545 was discovered on December 28, 1790 by the German-British astronomer William Herschel .