NGC 6611

Number of stars per data source

	Reference    9 :   29 stars
	Reference   21 :  387 stars
	Reference  110 : 6143 stars

9: Chini R., Wargau W.F.; (1990) Astron. Astrophys. 227, 213; Abnormal extinction and pre-main sequence stars in M16 (NGC 6611); 1990A&A...227..213C
21: Hillenbrand L. A., Massey P., Strom S.E., Merrill K.M.; (1993) Astron. J. 106, 1906; NGC 6611: a cluster caught in the act; 1993AJ....106.1906H
110: Guarcello M.G., Prisinzano L., Micela G., Damiani F., Peres G., Sciortino S.; (2007) Astron. Astrophys. 462, 245; Correlation between the spatial distribution of circumstellar disks and massive stars in the open cluster NGC 6611. Compiled catalog and cluster parameters; 2007A&A...462..245G