Posted in Caldwell, Caldwell 13, Collinder Catalog, Cr 12, H 7.42, Herschel Catalog, Lund 43, Lund Catalog, NCG 457, New General Catalog
Tags: "Kachina Doll Cluster, Caldwell 13, Cassiopeia, Cr 12, GC 256, H 7.42, h 97, Lund 43, Mel 7, NGC 457, OCL 321, open cluster