NGC 7537 is a spiral galaxy located in the equatorial constellation of Pisces, about 1.5° to the NNW of Gamma Piscium. It was first documented by German-born astronomer William Herschel on Aug 30, 1785. J. L. E. Dreyer described it as, "very faint, considerably small, round, brighter middle, southwestern of 2". This galaxy lies at a distance of approximately from the Milky Way, and is a member of the Pegasus I cluster.
This object forms a pair with the nearly edge-on barred spiral galaxy NGC 7541, and the two show signs of interaction. NGC 7537 has a curved tidal tail to the northeast with a length of , while NGC 7541 has two tidal tails. They have a projected separation of .
Supernova One supernova has been observed in NGC 7537: SN 2002gd (Type II, mag. 16.7) was discovered by Alain Klotz, and independently by Tim Puckett and Alex Langoussis on October 5, 2002. It was positioned east and north of the galactic nucleus of NGC 7537.
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