ALBUMAZAR

, otherwise called Abuassar, and Japhar, was a celebrated Arabian philosopher and astrologer, of the 9th or 10th century, or according to some authors much earlier. Blancanus, Vossius, &c, speak of him as one of the most learned astronomers of his time, or astrologers, which was then the same thing. He wrote a work De Magnis Conjunctionibus Annorum Revolutionibus, ac eorum Perfectionibus, printed at Venice in 1515, at the expence of Melchior Sessa, a work chiefly astrological.

He wrote also Introductio in Astronomiam, printed in the year 1489. And it is reported that he observed a comet in his time, above the orb of Venus.