10.1" reflector   96 x
M103 is the last of the original Messier list. It is a triangular-shaped open cluster about 8' across that contains about 25 stars from 7th to 11th magnitude. Others have described it as having an arrowhead shape or Christmas-tree shape. The fields of view around this cluster at 64x and 96x are star-filled. Three more star clusters, NGC 663, NGC 654, and NGC 659, lie within 2 degrees to the east. M103 lies 9200 light years away, is 15 light years across.

North is at 2 o'clock, East is at 11 o'clock