Asteria — interactive night sky map
Orion Nebula (Messier 42) is a deep-sky object in the constellation Orion with an apparent magnitude of 4.0, spanning about 90 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 southern hemisphere and from northern latitudes up to about 85°N.