Asteria — interactive night sky map
Mirzam (Beta Canis Majoris) is a star in the constellation Canis Major with an apparent magnitude of 1.98. It lies about 493 light-years from Earth. It is visible to the naked eye under dark skies.
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 72°N.