The Alphonsine Tables is a set of tables giving the positions of the Sun, Moon, and planets, published in 1252 under the patronage of Alfonso X (1223?–1284), King of Léon and Castile, who had assembled, at Toledo, many of the world's leading astronomers. The tables were calculated by a team of astronomers using the principles set out by Ptolemy in the Almagest but incorporating more recent observations. They remained the standard in Europe for nearly 400 years, until superceded by the work of Johannes Kepler.
Related categories• ASTRONOMICAL CATALOGS
• HISTORY OF ASTRONOMY
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