| 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 1997cn | Type I | 17 | 212 | 14/05/1997 | 18 | Boötes | PGC 50558 | 9.13664 | 69.50649 | 0 | 1 | 19/05/1997 | SN.IaPec | Yes | 5,200,000 |