|Object Type||Open Cluster|
|Size||6.0' x 6.0'|
M 103 is a small and moderately bright open cluster in Cassiopeia, about 1 degree north east of delta cassiopeia. Being small and compact, it is a very good cluster for the telescope.
M 103 is situated in a very rich region of the northern Milky Way. The region is especially rich in open clusters, several of which are recorded in the above image. To the upper left of M 103, is the small cluster Cr 15. Near the top left corner is NGC 654, while below it is the large cluster NGC 663. to the lower right of this cluster, near the bright star, is the small cluster, NGC 659