M39 (NGC 7092) is an open cluster in  the constellation Cygnus.

The blue stars with spikes are most of the cluster.

by Mark Bailey

The picture was taken with a modified Canon Rebel on a TEC 140 from the Alpenglow Torrey House Observatory in the dark sky community of Torrey, Utah on October 13th 2022.

Astrometry.net

Astrometry.net