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NGC7331
Discovered by William Herschel in 1784.
NGC 7331 is one of the brighter galaxies which is not included in Messier's catalog. It exposes a fine spiral structure despite its small inclination from the edge-on position.
NGC 7331 was among the earliest recognized spiral galaxies, and listed by Lord Rosse in his list of 14 "spiral or curvilinear nebulae" discovered before 1850.
One supernova has been discovered in NGC 7331 so far: SN 1959D, discovered by Milton Humason at 32"W and 13"N of the galaxy's nucleus. This supernova became as bright as 13.4 mag
Image by Paul Rix at the PCW Memorial Observatory
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