The Astrologer , 1509 Giulio Campagnola ( 1482 - 1518 ) The Astromoner or Astrologer computing the movable feasts of the calendar The engraving known as The Astrologer is probably Campagnola most famous image. It is the only one of his works that is dated: 1509. The odd-looking monster is, according to Jaynie Anderson monograph on Giorgione, a dragon: such beasts, she writes, were often depicted in connection with lunar eclipses, and indeed there were two such events in that year