Asteria — interactive night sky map
Messier 37 is a open cluster in the constellation Auriga with an apparent magnitude of 5.6, spanning about 11 arcminutes. Under dark skies it can be spotted with the naked eye.
It is best placed in the evening sky around December. It is visible from the whole northern hemisphere and from southern latitudes down to about 57°S. It is circumpolar (never sets) north of latitude 57°N.