NGC 225

Number of stars per data source

	Reference  381 :  289 stars
	Reference  485 :    5 stars

381: Lattanzi M.G., Massone G., Munari U.; (1991) Astron. J. 102, 177; Memberships and CM diagrams of young open clusters. I. NGC 225; 1991AJ....102..177L
485: Baumgardt H., Dettbarn C., Wielen R.; (2000) Astron. Astrophys. Suppl. 146, 251; Absolute proper motions of open clusters. I. Observational data; 2000A&AS..146..251B