Cassiopeia with her obscure stars, And next to her roams a bright shape, the sad Andromeda, shunning her mother's sight. And constellations linked dissolubly. Andromeda's dress flows outward from the corner along three pairs of stars, with each pair slightly farther apart than the previous pair. Perhaps she is petting Pegasus , who bore the hero Perseus across the ocean on his mighty wings to save her from the sea monster Cetus. The size of each star indicates its relative magnitude .
Constellation names are light blue .
Messier object numbers are pink . Globular clusters are gold starbursts . Open clusters are dotted white circles. Planetary nebula are green diamonds . Bright nebula are magenta squares .