Tags: Star.
51 Andromedae is a 4th magnitude star the 5th brighest in the constellation Andromeda. It does not have a Bayer designation. It is occasionally called by the proper name Nembus in Bayer’s Uranometria (1603) and Bode’s star atlas Uranographia (1801).Ptolemy included this star in Andromeda in the Almagest but it was moved into Perseus by Johann Bayer who designated it Upsilon Persei (υ Per).