Image center RA: 2h18m45.51s DE:+57°56'54.3" - Field of view 3 X 4.5 degrees.
Celestial North is up and celestial east is left.
NGC 884 and 869 seen in the lower left are known as the Perseus Double Cluster in the constillation Perseus.
Both NGC-884 and NGC-869 are about 7600 light years distant and estimated to be about 12 to 14 million years old.
NGC-884 is the left of the two bright clusters.
In the upper part of the frame is OCL=348. If you squint your eyes just right it looks a little like a left arm flexing its bicep. Hence the name Muscel Man Cluster.