Asteria — interactive night sky map
Nembus (51 Andromedae) is a star in the constellation Andromeda with an apparent magnitude of 3.59. It lies about 176 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 northern hemisphere and from southern latitudes down to about 41°S. It is circumpolar (never sets) north of latitude 41°N.