Ü     Celestial Atlas     Þ Cepheus: Cepheus, The King (possessive form Cephei, abbreviation Cep) Constellations Bordering Cepheus (tba) Cepheus is one of the 48 ancient constellations recorded by Ptolemy. Map of Cepheus Modified version of Wikimedia Commons map by Torsten Bronger Stars in Cepheus