SN 2003H
Encyclopedia
SN 2003H was a supernova
that appeared halfway between the colliding NGC 2207 and IC 2163
galaxies. It was discovered January 8, 2003, by the Lick Observatory and Tenagra Supernova Searches (LOTOSS).
Supernova
A supernova is a stellar explosion that is more energetic than a nova. It is pronounced with the plural supernovae or supernovas. Supernovae are extremely luminous and cause a burst of radiation that often briefly outshines an entire galaxy, before fading from view over several weeks or months...
that appeared halfway between the colliding NGC 2207 and IC 2163
NGC 2207 and IC 2163
NGC 2207 and IC 2163 are a pair of colliding spiral galaxies about 80 million light-years away in the constellation Canis Major. Both galaxies were discovered by John Herschel in 1835. So far three supernovae have been observed in NGC 2207...
galaxies. It was discovered January 8, 2003, by the Lick Observatory and Tenagra Supernova Searches (LOTOSS).