Pegasus is a northern constellation. In greek mythology Pegasus is the winged horse appearing in the Perseus story, also including Cetus, Andromeda, Cepheus, and Cassiopeia. Pegasus is high in the sky in in the evenings of the late autumn/early winter. The most notable thing in the constellation is the "square of Pegasus", which includes a star belonging to Andromeda. A globular cluster M15 can be seen in the image.
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