Orion f/6 80mm ED80T-CF telescope with OVL field flattener, ZWO ASI533MC Pro camera with UV/IR cut filter, SkyWatcher EQ6R Pro mount
23 4-minute lights plus calibration frames were stacked using DeepSkyStacker; other post-processing with SiriL, Photoshop CS2 plus Astronomy Tools plugin, and PhotoScape X.
Messier 37 is a wonderful open star cluster located in the constellation Auriga. This bright, rich star cluster is between 347 and 550 million years old. Messier 37 is comprised of more than 500 stars and is 4,511 light years from Earth. This is one of my favorite targets for winter imaging.