Berkeley 64
Number of stars per data source
Reference 150 : 118 stars
Reference 303 : 1854 stars
Reference 389 : 75 stars
References
- 150
- Pandey A.K., Durgapal A.K., Bhatt B.C., Mohan V., Mahra H.S.
- (1997) Astron. Astrophys. Suppl. 122, 111
- Stellar contents of the open clusters Be 64 and Be 69
- 1997A&AS..122..111P
- 303
- Ann H.B., Lee S.H., Sung H., Lee M.G., Kim S.-L., Chun M.-Y., Jeon Y.-B., Park B.-G., Yuk I.-S.
- (2002) Astron. J. 123, 905
- BOAO photometric survey of galactic open clusters. II. Physical parameters of 12 open clusters
- 2002AJ....123..905A
- 389
- Hasegawa T., Malasan H.L., Kawakita H., Obayashi H., Kurabayashi T., Nakai T., Hyakkai M., Arimoto N.
- (2004) Publ. Astron. Soc. Japan 56, 295
- New photometric data of old open clusters in the anti-galactic center region
- 2004PASJ...56..295H