Al-Zarqali
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Abū Isḥāq Ibrāhīm ibn Yaḥyā al-Naqqāsh al-Zarqālī al-Tujibi; also known as Al-Zarkali or Ibn Zarqala, was an Arab astronomer, astrologer and maker of astronomical instruments from the western part of
Fictional portrait by Eulogia Merle for the Fundación Española para la Ciencia y la Tecnología (2011)
Art from Toledo in Al-Andalus depicting the Alcázar in the year 976.AD
A copy of al-Zarqālī's astrolabe as featured in the Calahorra Tower.
Gravure originale du compas parfait par Abū Sahl al Qūhī
Toledan Tables
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The Toledan Tables, or Tables of Toledo, were astronomical tables which were used to predict the movements of the Sun, Moon and planets relative to the fixed stars. They were a collection of mathemati
Al-Zarqali
…Copernicus employed this model, modified to heliocentric form, in his De Revolutionibus Orbium Coelestium. Al-Zarqālī also contributed to the famous Tables of Toledo, an adaptation of earlier astronomical data by Al-Khwarizmi and Al-Battani, to locate the coordinates of Toledo. His zij and almanac were translated…
The 'Canones' are a translation of a diagram from the Toledan Tables by Gerardus Cremonensis.