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