| 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 2009nn | Type II | 17 | 188 | 05/12/2009 | 14 | Coma Berenices | PGC 169532 | 284.88474 | 76.17407 | 0 | 0 | SN.IIn | Yes | 13,474,000 |