NGC 1245
Open cluster in the constellation Perseus
From Wikipedia, the free encyclopedia
NGC 1245 is an open cluster in the constellation Perseus. It was discovered by William Herschel on 11 December 1786.[2] It is located 3° southwest of alpha Persei and can be spotted with 10x50 binoculars.[3] The cluster is nearly 1 billion years old.[4] NGC 1245 has about 200 members the brightest of which are of 12th magnitude.[5] The cluster shows evidence of mass segregation and it is possible that it has lost its lower mass members.[6] Lying at a distance of 3kpc, the cluster is estimated to be 27 light years across.[4]
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| NGC 1245 | |
|---|---|
| |
| Observation data (J2000 epoch) | |
| Right ascension | 03h 14m 48s[1] |
| Declination | +47° 15′ 11″[1] |
| Distance | 9,800 ly (3 kpc) |
| Apparent magnitude (V) | 8.4 [1] |
| Apparent dimensions (V) | 10' |
| Physical characteristics | |
| Estimated age | 1,06 billion years |
| Other designations | Cr 38 |
| Associations | |
| Constellation | Perseus |
