1546 - 1601
Danish astronomer who set out to make accurate observations in order to be able to determine whether the Ptolemaic or Copernican system was the more correct. He was sponsored by King Frederick II of Denmark (not to be confused with the Holy Roman Emperor Frederick II, who lived from 1194-1250), who built him a castle on the island of Hveen (now Ven) between Denmark and Sweden called Uraniborg.
This was the first real astronomical observatory, although alchemical researches were pursued in the basement. From Hveen, Brahe used a quadrant circle to sight the planets and stars. His large, accurate instruments yielded measurements which were accurate to within four minutes of arc.
He compiled an extensive table of planetary positions and a star catalogue and made the most accurate naked eye astronomical measurements of his day.
Dictionary of map makers
An illustrated list of makers of maps, charts and globes from the earliest time of cartography to present.
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