Case file · Cosmic event
The guest star of 393
Jin dynasty astronomers logged a 'guest star' in the tail of Scorpius that shone for eight months, likely a supernova.
393 CE · 32.06, 118.79 · status: official
The account
The record, kept in the Book of Song, describes a new star appearing in early 393 and fading late in the year. Astronomers have proposed several supernova remnants as its source.