SN 1999eu
| Event type | Supernova |
|---|---|
| SN | |
| Date | 5 November 1999 |
| Constellation | Fornax |
| Right ascension | 02h 46m 20.79s |
| Declination | -30° 19' 06.1" |
| Epoch | J2000.0 |
| Galactic coordinates | 227.0163 -64.6743 |
| Distance | 45 Mly |
| Remnant | IIP |
| Host | NGC 1097 |
| Peak apparent magnitude | 17.3 |
| Other designations | SN 1999eu, AAVSO 0242-30 |
SN 1999eu was a type IIP supernova that happened in NGC 1097, a barred spiral galaxy about 45 million light years away, in the constellation Fornax. It was discovered 5 November 1999, possibly three months after its initial brightening, and is unusually under-luminous for a type II supernova.