Joseon record of Tycho's supernova

Joseon astronomers logged the 'guest star' of November 1572 in Cassiopeia, the same supernova Tycho Brahe studied in Denmark.

1572 CE · 37.58, 126.98 · status: official

The account

Korean and Chinese records give independent timing and brightness for SN 1572 and are used by astronomers alongside European observations.

Sources

1. Wikipedia: SN 1572