NGC 654

Number of stars per data source

	Reference  361 :    3 stars
	Reference  504 :    1 star

361: Schmidt E.G.; (1984) Astrophys. J. Suppl. 55, 455; Yellow giants in young clusters. I. Photometric observations; 1984ApJS...55..455S
504: Olsen E.H.; (1993) Astron. Astrophys. Suppl. 102, 89; Stromgren four-colour uvby photometry of G5-type HD stars brighter than mv = 8.6; 1993A&AS..102...89O