Markarian 50

Number of stars per data source

	Reference  153 :  243 stars
	Reference  156 :   27 stars
	Reference  167 :   60 stars

153: Fenkart R.P., Schroder A.; (1985) Astron. Astrophys. Suppl. 59, 83; UBV three-colour photometric parameters of four galactic clusters near Cassiopeia; 1985A&AS...59...83F
156: Turner D.G., Moffat A.F.J., Lamontagne R., Maitzen H.M.; (1983) Astron. J. 88, 1199; The WN4.5 component of HD 219460 in the open cluster Markarian 50; 1983AJ.....88.1199T
167: Grubissich C.; (1965) Z. Astrophys. 60, 256; Dreifarben-Photometrie von zwei offenen Sternhaufen nahe NGC 7510; 1965ZA.....60..256G