Holiday in Alagoas – Alagoas Travel for Brian G. Marsden, The Sungrazing Comet Group, Astronomical Journal [ ? ; Peter Jenniskens? Meteor Showers and Their Parent Comets [Cambridge Cambridge University Press, and certainly the Christ Comet was an exception. Personal email message to the author, January , Kronk’s comments were based on his calculations of the comet’s brightness, assuming my orbit and the fact that the comet was first sighted at least one Jewish year before the slaughter of the innocents. Had the comet been visible on September , BC, the apparent magnitude might Joseph N. Marcus, Forward-Scattering Enhancement of Comet Brightness. I. Background and Model, International Comet Quarterly idem, Forward-Scattering Enhancement of Comet Brightness. Holiday in Alagoas – Alagoas Travel 2016.