Alfonsine tables

Alfonsine tables or Alphonsine tables ălfŏnˈsĭn [key], compilation of astronomical data tabulating the positions and movements of the planets, completed c.1252 and printed in Venice in 1483. They were a revision and improvement of the Ptolemaic tables and were compiled at Toledo, Spain, by about 50 astronomers assembled for the purpose by Alfonso X of Castile.

The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2024, Columbia University Press. All rights reserved.

See more Encyclopedia articles on: Astronomy: General