Asteria — interactive night sky map
Castula (Upsilon² Cassiopeiae) is a star in the constellation Cassiopeia with an apparent magnitude of 4.62. It lies about 196 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 31°S. It is circumpolar (never sets) north of latitude 31°N.