| NGC 659 | |
|---|---|
 | |
| Observation data (J2000.0 epoch) | |
| 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 |
| Associations | |
| Constellation | Cassiopeia |
NGC 659 is an open cluster in the Cassiopeia constellation. It was discovered by Caroline Herschel in 1783.[2]
- ^ a b c "NGC 659 – Open (galactic) Cluster". Simbad. Retrieved 27 July 2015.
- ^ a b c d O'Meara, Stephen James (2007). Deep-Sky Companions: Hidden Treasures. Cambridge University Press. p. 48. ISBN 9780521837040.
- ^ Seligman, Courtney. "Celestial Atlas: NGC Objects: NGC 650 – 699". cseligman.com. Archived from the original on 4 November 2015. Retrieved 27 July 2015.