Constellations Cepheus and Cassiopeia, with some stars labeled.
Gamma Cephei, also called #Errai, is a moderately bright 3rd-magnitude star in the northern constellation #Cepheus the King. This star has played a major role in our understanding of #exoplanets, especially in multiple star systems.
Read more about the star:
buff.ly/jbHdhrS
📸 EarthSky.org.