Aryan Miscellany The Brihat Jataka of Varaha Mihira in English The Great Varahamihira, who was the famous astrologer in the court of The Great king Vikramaditya in the year 57BC. He was also a great astronomer and the first one to mention in his work Pancha Siddhantika, based on our ancient Siddhantas, that the ayanamsa, or the shifting of the equinox is 50.32 seconds.