| Event type | Supernova |
|---|---|
| Ibc-pec [1] | |
| Date | January 8, 2003 [2] |
| Constellation | Canis Major |
| Right ascension | 06h 16m 25.68s [2] |
| Declination | −21° 22′ 23.8″ [2] |
| Epoch | J2000.0 |
| Galactic coordinates | 228.6912, -16.9952 |
| Distance | 115 Mly (35.2 Mpc) [1] |
| Host | NGC 2207 |
| Peak apparent magnitude | 17.8 [2] |
| Other designations | SN 2003H |
SN 2003H was a supernova that appeared halfway between the colliding NGC 2207 and IC 2163 galaxies. [3] It was discovered on January 8, 2003, by the Lick Observatory and Tenagra Supernova Searches (LOTOSS). [4]