Berkeley 11
Number of stars per data source
Reference 509 : 22 stars
References
- 509
- Jackson P.D., Fitzgerald M.P., Moffat A.F.J.
- (1980) Astron. Astrophys. Suppl. 41, 211
- Photoelectric UBV observations of the open cluster Berkeley 11
- 1980A&AS...41..211J