Case file · Cosmic event
Joseon record of Kepler's supernova
The Annals of the Joseon Dynasty record a guest star in October 1604 and track it night by night for months.
1604 CE · 37.58, 126.98 · status: official
The account
The Korean daily entries are among the most complete observations of SN 1604, the last supernova seen with the naked eye in the Milky Way, and they help fix its light curve.