| 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 1923A | Type II | 14 | 204 | 09/05/1923 | -30 | Hydra (constellation) | PGC 48082 | 314.62167 | 31.98082 | 21 | 2 | 12/05/1923 | SN.IIP: | Yes | ||||
| SN 1968L | Type II | 12 | 204 | 17/07/1968 | -30 | Hydra (constellation) | PGC 48082 | 314.58170 | 31.97239 | 21 | 2 | 12/07/1968 | SN.IIP | Yes | ||||
| SN 1983N | Type I | 12 | 204 | 03/07/1983 | -30 | Hydra (constellation) | PGC 48082 | 314.53470 | 31.94571 | 21 | 2 | 17/07/1983 | SNIb | Yes | ||||
| SN 1945B | 14 | 204 | 13/07/1945 | -30 | Hydra (constellation) | PGC 48082 | 314.57925 | 31.97142 | 21 | 2 | Yes | |||||||
| SN 1950B | 15 | 204 | 15/03/1950 | -30 | Hydra (constellation) | PGC 48082 | 314.57925 | 31.97142 | 21 | 2 | Yes |