M-type hypergiants

red hypergiant in the constellation Canis Major

red supergiant star in the constellation Scutum

binary star in the constellation Cepheus

star in the constellation Cepheus

red hypergiant star in the constellation of Cygnus

red hypergiant star in the constellation Dorado, possibly the largest well-defined star known by radius

Supergiant star possibly within the open cluster Stephenson 2

star in the constellation Cygnus

star

star in the constellation Cepheus

red supergiant

variable star in the constellation Perseus

red supergiant star in the constellation Scorpius

star in the constellation Cassiopeia

type of giant star showing maser emissions

star in the constellation Carina

star in the constellation Carina

star in the constellation Cepheus