NGC 1245
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| AladinLite | |
| Constellation | Perseus |
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Position equinox : J2000.0 |
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|---|---|
| Right ascension | 03 h 14 m 41.4 s |
| declination | + 47 ° 14 ′ 19 ″ |
| Appearance
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| classification | III 1 r |
| Brightness (visual) | 8.4 mag |
| Brightness (B-band) | 9.16 likes |
| Angular expansion | 10 ' |
| Redness ( excess color E (BV)) | 0.310 |
| Physical data
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| Affiliation | Milky Way |
| distance | approx. 9400 ly (2876 pc ) |
| Age | 1 billion years |
| history | |
| Discovered by | William Herschel |
| Discovery time | December 11, 1786 |
| Catalog names | |
| NGC 1245 • C 0311 + 470 • OCl 389 • Mel 18 • Cr 38 • Lund 103 • GC 658 • H VI 25 • h 290 • | |
NGC 1245 is an open cluster of Trumpler type III1r in the constellation Perseus in the northern sky . It has an angular extent of 10.0 'and an apparent magnitude of 8.4 mag.
The object was discovered on December 11, 1786 by the German-British astronomer Friedrich Wilhelm Herschel .