No. M or Messier is a name given to certain
nebulae and galaxies.
The constellation Cassiopeia is a 'M' shape.
the constellation shaped like an M is cassiopeia. sometimes it looks like a W!!! haha lol
m
The constellation Cassiopeia looks like a "W" or an "M", depending on which way you view it. In this season, it looks more like an "M", high in the northern sky.
Casseopeia.
Cassiopeia
Cassiopeia.
Cassiopeia
Queen Cassiopeia of Ethiopia
queen cassiopea
Queen Cassiopeia
Well most people think of it as a W rather than an M, but I think you are referring to Cassiopeia.