NGC 225

Number of stars per data source

	Reference    2 :   45 stars
	Reference  137 :  283 stars
	Reference  226 :  289 stars

References

 2
Hoag A.A., Johnson H.L., Iriarte B., Mitchell R.I., Hallam K.L., Sharpless S.
(1961) Publ. Us. Nav. Obs. XVII part VII, 347
Photometry of stars in galactic cluster fields
 137
Ponomareva T.A.
(1983) Trudy Gosud. Astron. Inst. Shternberga LIII, 29
UBV photographic photometry of stars in the galactic cluster NGC 225
 226
Lattanzi M.G., Massone G., Munari U.
(1991) Astron. J. 102, 177
Memberships and CM diagrams of young open clusters: I. NGC 225
1991AJ....102..177L