| name | type | Apparent magnitude | Ascension (°) | date discovered | Declination (°) | Constellation | galaxy | Discovered_by | galactic longitude (°) | galactic latitude (°) | inclination (°) | Redshift | log(diameter) (log(0.1 arcmin)) | Date of maximum light | Position Epoch | Spectral type | confirmed | Average Radial Velocity (km/s) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| SN 1991N | Type I | 16 | 160 | 29/03/1991 | 54 | Ursa Major | PGC 31650 | 156.60574 | 54.06462 | 19 | 1 | 02/04/1991 | SNIc | Yes | 898,000 | |||
| SN 1974C | 17 | 160 | 26/02/1974 | 54 | Ursa Major | PGC 31650 | 156.60535 | 54.06335 | 19 | 1 | Yes |