Alfonsine tables
The Alfonsine tables were astronomical tables drawn up at Toledo by order of Alfonso X around 1252 to 1270 to correct the anomalies in the Tables of Toledo; they divided the year into 365 days, 5 hours, 49 minutes, 16 seconds.
Alfonsine Tables
Related Category: Astronomy: General
or Alphonsine tables(lfn´sn), compilation of astronomical data tabulating the positions and movements of the planets, completed c.1252 and printed in Venice in 1483.
Alfonsine tables: tables of planetary positions, based on Ptolemy's theories, produced by the polyglot King Alfonso X ('the wise') of Castile in the mid-thirteenth century.
1252-72 - Alfonsine tables recorded
1259 - Maragheh observatory and library of Nasir al-Din al-Tusi by Mangu under Hulagu Khan
ca. 1270 - Terrace for Managing Heaven 26 observatory network of Guo Shoujing under Khubilai Khan ...
From the latter city the Toletan Tables, drawn up by Arzachel in 1080, took their name; and there also the Alfonsine Tables, > published in 1252, were prepared under the authority of Alphonso X. of Castile.
According to Allen, the first usage of the name "Alioth" for this star was in the Alfonsine Tables published in Spain in 1252 under the patronage of King Alfonso X of Leon and Castile.
 See also: Sun, Astronomy, Star, Sky, Observatory
  
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