NGC 659 is an open cluster in the Cassiopeia constellation. It was discovered by Caroline Herschel in 1783.[2]
| NGC 659 | |
|---|---|
| Observation data (J2000.0 epoch) | |
| Constellation | Cassiopeia |
| Right ascension | 1h 44m 4s[1] |
| Declination | +60° 40′[1] |
| Distance | 8.2 kly[2] |
| Apparent magnitude (V) | 7.9[1] |
| Apparent dimensions (V) | 6.0′[3] |
| Physical characteristics | |
| Mass | 105 to 106 M☉ |
| Radius | 7.5[2] |
| Estimated age | 20my[2] |
| Other designations | NGC 659, Cr 19, OCL 332 |
| See also: Open cluster, List of open clusters | |

New General Catalogue 500 to 999 | |
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Constellation of Cassiopeia | |||||||||||||
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