NGC 537 (also Arp 158, NGC 523, IRAS 01225+3345, MCG 6-4-18, UGC 979 and PGC 5268) is a magnitude +12.7 spiral (?) galaxy located 219 million light-years away in the constellation Andromeda.
The galaxy was discovered by German-British astronomer William Herschel using a 47.5 cm (18.7 inch) f/13 speculum reflector at Datchet, Berkshire on the 13th September 1784. The galaxy was rediscovered by Heinrich d'Arrest in August 1862 and relisted as NGC 523
Right Ascension 01h 25m 20.7s, Declination +34° 01' 31"
