Melotte 66
Number of stars per data source
Reference 28 : 507 stars
Reference 49 : 819 stars
References
- 28
- Hawarden T.G.
- (1976) Monthly Notices Roy. Astron. Soc. 174, 471
- The old open cluster Melotte 66
- 1976MNRAS.174..471H
- 49
- Anthony-Twarog B.J., Twarog B.A.
- (1979) Astrophys. J. 233, 188
- The old (est) open cluster Melotte 66
- 1979ApJ...233..188A