SN 1054

The Supernova 1054 was published in April 1054 in the eastern part of the constellation Taurus supernova. It reached a brightness of -6 mag. The remnant of the supernova 1054 is the Crab Nebula (M 1).

Secured Notes to the supernova in 1054 that led to the formation of the Crab Nebula, have so far been found in 13 historical sources: two observations from the Song Dynasty (4 July and 27 August 1054 respectively star as Venus ) and from Japan (later MAI very bright star and June 1054 as a new star like Jupiter), as well as observations of the Arab physician Ibn Botlan in Fustat (April 11, 1054 Stern ), a monk in Flanders (April 11, 1054 bright disk in the afternoon) from Ireland (April 24, 1054 glowing column ), Rome ( end of April 1054 as a bright star), the Chinese Liao Dynasty (May 10, 1054 Stern ), Armenia (14 May 1054 Stern ), Italy ( end of May 1054 very bright star, date uncertain) and from Constantinople Opel ( 1055 as a star ). In the records of the Song Dynasty is mentioned that the guest star on April 17, 1056 was no longer visible.

Since the records from the Euro- Arab region have long been known and are also found in the song recordings in addition to the three data further details, such as a visibility in the daytime sky for 23 days, the supernova was a long time on the 4. dated July 1054 - but there are all the other sightings (up to Konstantin Opel ) before that date. In addition, all sightings agree (except the Flanders ) very well with the light curve of a Type II supernova match, so that the light from the supernova explosion was already perceived on April 11, 1054 on Earth.