Berkeley 11

Number of stars per data source

	Reference  191 :   24 stars
	Reference  326 :    2 stars


Skiff B.
(1998) Priv. Comm.
Coordinates from the GSC and USNO-A1.0 catalogues in the field of open clusters
Hog E., Fabricius C., Makarov V.V., Urban S., Corbin T., Wycoff G., Bastian U., Schwekendiek P., Wicenec A.
(2000) Astron. Astrophys. 357, L27
The Tycho-2 Catalogue