Cassiopeia-Andromeda: The image shows on the left mainly the constellation of Cassiopeia, the celestial W with its Milky Way star clouds, and the constellation of Andromeda in the center and on the right.In the lower left two major Emission Nebula can be detected, The Heart and the Soul Nebula. Close to them lies the Perseus Double Cluster.
At the top lies the splendid Andromeda Galaxy (M31) and very close to the right edge of the image the Triangulum Galaxy (M33).

For an image without constellation lines and annotations click the Hi Res.Image.