| NGC 657 | |
|---|---|
 NGC 657 Credit:Sloan Digital Sky Survey | |
| Observation data (J2000epoch) | |
| Right ascension | 1h 43m 23.76s[1] |
| Declination | 55° 50m 24s[1] |
| Distance | 6308 ly (1934 pc[1]) |
| Physical characteristics | |
| Estimated age | ~1 Gyr[1] |
| Other designations | C 0140+556, MWSC 135[2] |
| Associations | |
| Constellation | Cassiopeia |
| See also:Open cluster,List of open clusters | |
NGC 657 is anopen cluster containing very fewstars or a group of stars located in theconstellation Cassiopeia. It was discovered by BritishastronomerJohn Herschel in 1831.[3][4]
Media related toNGC 657 at Wikimedia Commons | This star cluster–related article is astub. You can help Wikipedia byexpanding it. |