IC 4651

Number of stars per data source

	Reference  141 :  264 stars
	Reference  159 :  275 stars

141: Lindoff U.; (1972) Astron. Astrophys. Suppl. 7, 231; An investigation of four southern open clusters; 1972A&AS....7..231L
159: Anthony-Twarog B.J., Mukherjee K., Caldwell N., Twarog B.A.; (1988) Astron. J. 95, 1453; BV photographic and CCD photometry of IC 4651; 1988AJ.....95.1453A