NGC 1255 was discovered by American astronomerEdward Emerson Barnard on August 30, 1883 with the 6-inchrefractor atVanderbilt University.[3][4] He described it as a "faint nebula, not large, pretty even in light. A faint star close p and slightly south probably involved. Star is s and f the nebula by about 30'".[3] American astronomerOrmond Stone made an independent discovery in 1886 with the 26" refractor atLeander McCormick Observatory, recording "4.1'x2.0', PA 315°".[3][4]
SN 1980O (TypeII, mag. 17) was discovered by German astronomerHans-Emil Schuster with the 1.0-m Schmidt telescope on October 30, 1980.[5][6][7] The supernova was located at the following coordinates: RA 03h 13m 27s, Dec -25° 44.50′ (J2000 epoch).[5][1] By December 30, 1980 the supernova had faded by about 4 magnitudes and showed strongP-Cyg-type profiles.[6]
SN 2022ame (Type II, mag. 17.3), was discovered byKōichi Itagaki on 27 January, 2022.[8]
^ab"SN 1980O".Transient Name Server.IAU. Retrieved3 December 2025.
^abSchuster, H.-E.; Muller, A. B.; Tammann, G. A.; Seitter, W.; Durbeck, H. (1981)."Supernova in NGC 1255".International Astronomical Union Circular (3559): 1.Bibcode:1981IAUC.3559....1S. RetrievedDecember 9, 2017.
