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