NGC 477 is a spiral galaxy in the constellation Andromeda. It is located approximately 250 million light-years from Earth and was discovered on October 18, 1786 by astronomer William Herschel.

One supernova has been observed in NGC 477: SN 2002jy (type Ia, mag. 16.3).Transient Name Server entry for SN 2002jy. Retrieved 2 April 2023.

See also Spiral galaxy List of NGC objects (1–1000)

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SEDS