NGC 7209

Number of stars per data source

	Reference   15 :    1 star
	Reference   22 :    1 star

15: Johnson H.L., Mitchell R.I., Iriarte B., Wisniewski W.Z.; (1966) Comm. Lun. Plan. Lab. 4, 99; UBVRIJKL Photometry of the Bright Stars
22: Mendoza E.E.; (1967) Tonantzintla Tacubaya 4, 114; Multicolor Photometry of Long Period Variables; 1967BOTT....4..114M