Melotte 66

Number of stars per data source

	Reference   28 :  507 stars
	Reference   49 :  819 stars

28: Hawarden T.G.; (1976) Monthly Notices Roy. Astron. Soc. 174, 471; The old open cluster Melotte 66; 1976MNRAS.174..471H
49: Anthony-Twarog B.J., Twarog B.A.; (1979) Astrophys. J. 233, 188; The old (est) open cluster Melotte 66; 1979ApJ...233..188A