Asteria — interactive night sky map
Achernar (Alpha Eridani) is a star in the constellation Eridanus with an apparent magnitude of 0.45. It lies about 139 light-years from Earth. It is visible to the naked eye under dark skies.
It is best placed in the evening sky around October. It is visible from the whole southern hemisphere and from northern latitudes up to about 33°N. It is circumpolar (never sets) south of latitude 33°S.