| 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 1921C | Type I | 11 | 155 | 05/12/1921 | 41 | Ursa Major | PGC 30087 | 178.33479 | 55.63790 | 15 | 2 | 11/12/1921 | SNI | Yes | ||||
| SN 1937F | Type II | 14 | 155 | 09/12/1937 | 41 | Ursa Major | PGC 30087 | 178.33479 | 55.63790 | 15 | 2 | 12/12/1937 | SN.IIP: | Yes | ||||
| SN 1999gi | Type II | 15 | 155 | 09/12/1999 | 41 | Ursa Major | PGC 30087 | 178.30624 | 55.63329 | 15 | 2 | 17/12/1999 | SN.IIP | Yes | 900,000 | |||
| SN 1921B | Type II | 14 | 155 | 06/04/1921 | 41 | Ursa Major | PGC 30087 | 178.33479 | 55.63790 | 15 | 2 | SN.II | Yes | |||||
| SN 2010dn | 18 | 155 | 31/05/2010 | 41 | Ursa Major | PGC 30087 | 178.30214 | 55.64311 | 15 | 2 | SN.? | Yes |