| 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]
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