NGC 559

Number of stars per data source

	Reference  578 :    6 stars
	Reference  879 :   17 stars
	Reference 1463 :   14 stars

578: Jennens P.A., Helfer H.L.; (1975) Monthly Notices Roy. Astron. Soc. 172, 681; Photometric metal abundances for twenty clusters; 1975MNRAS.172..681J
879: Lindoff U.; (1969) Ark. Astron. 5, 221; The open cluster NGC 559; 1969ArA.....5..221L
1463: Cardon de Lichtbuer P.; (1982) Vatican Obs. Publ. 2, 1; Photoelectric sequences for three open clusters; 1982VatOP...2....1C