NGC 654

Number of stars per data source

	Reference    1 :  205 stars
	Reference    2 :   68 stars
	Reference    7 :   50 stars
	Reference    8 :   64 stars
	Reference    9 :   50 stars

1: Moffat A.F.J., Vogt N.; (1974) Veroeff. Astron. Inst. Bochum no 2; Photographische UBV-helligkeiten in 14 jungen Sternhaufen der nordlichen Milchstrasse; 1974VeBoc...2....1M
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
7: McCuskey S.W., Houk N.; (1964) Astron. J. 69, 412; Galactic structure in Cassiopeia; 1964AJ.....69..412M
8: Samson W.B.; (1975) Astrophys. Space Sci. 34, 363; The distribution of interstellar matter in NGC 654; 1975Ap&SS..34..363S
9: Stone R.C.; (1980) Publ. Astron. Soc. Pacific 92, 426; A UBV photometric study of the open cluster NGC 654; 1980PASP...92..426S