AB Archaeologia Baltica 1392-5520 1392-5520 KU 10_110-113_GHIGNOLI_ET_AL Article Eleventh-century supernovae: another way to read the medieval sources? Ghignoli Antonella antonella.ghignoli@unifi.it ∗ Università degli studi di Firenze, Florence Martocchia Andrea andrea.martocchia@iasf-roma.inaf.it Istituto Nazionale di AstroFisica, IASF-INAF, Rome Polcaro Vito Francesco vitofrancesco.polcaro@iasf-roma.inaf.it Istituto Nazionale di AstroFisica, IASF-INAF, Rome Corresponding author. 10 110 113 20 12 2008 20 12 2008 02 11 2007 20 10 2008 2008 Klaipėda University

The supernova explosions of 1006 AD and 1054 AD are, probably, the astronomical events most carefully studied through the analysis of historical sources. But contradictions are still present in several sources concerning SN 1054 and the historical records are not consistent with the astronomical data. This short analysis aims to highlight all these aspects.

 Historical supernovae SN 1006 SN 1054 Crab Nebula Middle Ages historical astronomy