IBN AL-Zarqālluh on Mercury

  title={IBN AL-Zarqālluh on Mercury},
  author={Julio Sams{\'o} and Honorino Mielgo},
  journal={Journal for the History of Astronomy},
  pages={289 - 296}
L'A. decrit comment un astronome andalousien, Ibn Al-Zarqālluh, a determine la longitude de Mercure 
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IGHTEEN YEARS ago, in a Festschrift for another eminent scholar of the history E of science, I attempted to reconstruct the elements of the lost work of azZarqal (fl. 1075, Spain) on the astronomical
Maqala fi ibtal al-tartq allan salaka-ha Batlirnus fi istikhraj al-bu'd al-ab
    On the basis ofthis study the two instruments were reconstructed by M. Comes and H. Mielgo for the exhibition "El legado cientffico andalusf
    • 1991
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    • 1975
    The astronomical tables ofCodex Vaticanus Graecus 1291
    • 1959
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    • 1985
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    • 1980
    ) has calculated that Ibn al-Zarqalluh uses a sidereal solar apogee in the Almanac the longitude of which is 79;30°: the apogee longitude85
    • A further incongruity would be
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