I've often wondered and maybe someone here can answer. Since 1054 was long before the 1582 conversion from the Julian to Gregorian calendar, is the July 4 date that gets mentioned for the first sighting of supernova a Julian date or has it been converted to Gregorian?
??? patrick On 04 Jul 2011, at 10:25, Gary Fujihara wrote: > Cosmic Fireworks: On July 4, 1054, Chinese astronomers observed a "guest > star" in the constellation Taurus, the result of a star exploding or going > Supernova. At mag -6, SN1054 (Supernova of 1054) became about 4 times > brighter than Venus, was visible in daylight for 23 days, and lasted a period > of two years. Today we can still see remnants of SN1054 as the Messier Object > 1 (M1) Crab Nebula. > > http://bigkahuna-meteorites.com/_M1.jpg > > Oh, and for those terrestrially bound in the USA, Happy Fourth of July! > > Gary Fujihara > Big Kahuna Meteorites (IMCA#1693) > 105 Puhili Place, Hilo, Hawai'i 96720 > http://bigkahuna-meteorites.com/ > http://shop.ebay.com/fujmon/m.html > (808) 640-9161 ______________________________________________ Visit the Archives at http://www.meteoritecentral.com/mailing-list-archives.html Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
