WebThe first original decan position due to the precession in ancient times started at 0° of Cancer when the heliacal rising of Sirius (Egyptian Sepdet; Greco-Egyptian: Sothis) on sunset like Jewish and Islamic calendars marking the Egyptian New Year and now the 1st decan falls on 0° of Leo at July 20 in the Julian calendar, that is July 22/23 ...

WebMajor General Sir Thomas Makdougall Brisbane, 1st Baronet, GCB, GCH, FRS, FRSE (23 July 1773 – 27 January 1860), was a British Army officer, administrator, and astronomer.Upon the recommendation of the Duke of Wellington, with whom he had served, he was appointed governor of New South Wales from 1821 to 1825.. A keen astronomer, …