NGC 220
Number of stars per data source
Reference 180 : 55972 stars
References
- 180
- Matteucci A., Ripepi V., Brocato E., Castellani V.
- (2002) Astron. Astrophys. 387, 861
- Magellanic Clouds stellar clusters. II. New BV CM diagrams for 6 LMC and 10 SMC clusters
- 2002A&A...387..861M