Double and Multiple Stars
(Click on any image)
   
  Almach
(Gamma Andromedae)
Mesarthim
(Gamma Arietis)
Kappa Bootis Pi Bootis Xi Bootis
Achird
(Eta Casssiopeiae)
 
   
  Iota Casssiopeiae Cor Caroli
(Alpha Canum Venaticorum)
Albireo
(Beta Cygni)
Keid
(Omicron 2 Eridani)
Algieba
(Gamma Leonis)
Epsilon Lyrae
(Double double star)
 
       
  Sigma Orionis Mizar and Alcor
(Zeta Ursae Majoris)
Messier 40
(Ursa Major)
Polaris
(Alpha Ursae Minoris)