NGC 3680
Number of stars per data source
Reference 35 : 10 stars
References
- 35
- Anthony-Twarog B.J., Heim E.A., Twarog B.A., Caldwell N.
- (1991) Astron. J. 102, 1056
- A BV photographic and CCD analysis of the intermediate-age open cluster, NGC 3680
- 1991AJ....102.1056A