NGC 654
Number of stars per data source
Reference 2 : 17 stars
References
- 2
- Sagar R., Qian Z.-y.
- (1989) Mon. Not. R. Astron. Soc. 240, 551
- JHK photometric study of the variable interstellar extinction in the direction of open cluster NGC 654
- 1989MNRAS.240..551S