NGC 7128

Number of stars per data source

	Reference   61 :    1 star
	Reference  207 :    3 stars

61: Svolopoulos S.N.; (1961) Astrophys. J. 134, 612; Spectral classification in some open clusters; 1961ApJ...134..612S
207: Hoag A.A., Applequist L.; (1965) Astrophys. J. Suppl. 12, 215; Distance moduli of open clusters; 1965ApJS...12..215H