Cometography is the most complete and comprehensive collection of data on comets available. It comes in four self-contained sequential volumes and this, the first, covers ancient times through to the end of the eighteenth century. Cometography uses the most reliable orbits known to determine all the key parameters of each well observed comet. Cometography also provides nontechnical details to help the reader understand how the comet may have influenced various cultures at the time of its appearance. All the information in Cometography has been sourced directly from the original documents,...

This unique collaboration between a classicist and physicist at the University of Illinois at Chicago is the first work to combine the evidence from both China and Rome for the spectacular daylight comet of 44 BC, perhaps the most famous comet in antiquity. This investigation, which also examines allusions to this comet in astrological literature from later antiquity, sheds new light on the significance of the comet as a powerful symbol in the political propaganda that launched Augustus' career.