NGC 884
Number of stars per data source
Reference 1 : 2 stars
References
1
Kornilov V.G., Volkov I.M., Zakharov A.I., et al.
(1991) Trudy Gos. Astron. Inst. Shternberga 63
Catalogue of WBVR photometry
1991TrSht..63....1K