NGC 3228
Number of stars per data source
Reference 149 : 408 stars
References
- 149
- Sagar R., Cannon R.D.
- (1997) Astron. Astrophys. Suppl. 122, 9
- Multicolour deep CCD photometric study of the moderately young southern open star clusters NGC 3228, NGC 4103, NGC 5662, and NGC 6087
- 1997A&AS..122....9S