Al Achsasi al Mouakket

Muḥammad al-Akhṣāṣī al-Muwaqqit (Arabic: محمد الاخصاصي الموقت‎) was an Egyptian astronomer whose calendarium and catalogue of stars, al-Durrah al-muḍīyah fī al-ʻamāl al-shamsīyah ('Pearls of brilliance upon the solar operations'), was written at Cairo about 1650.[1] Al-Akhsasi was a shaykh, a learned elder, of the Grand Mosque of the university of Cairo, where his name al-Muwaqqit reflected his position regulating the times and hours at the mosque. His name Akhsasi connects him in origin to a village in the Faiyum, southwest of Cairo.[2]

No copies of his book were known to Western astronomers or historians of science until 1895;[3] thus he did not appear in the standard French and English bibliographies and library catalogues of the 19th century.

Notes
  1. Knobel, E. B. (June 1895). "Al Achsasi Al Mouakket, on a catalogue of stars in the Calendarium of Mohammad Al Achsasi Al Mouakket". Monthly Notices of the Royal Astronomical Society. 55 (8): 429. Bibcode:1895MNRAS..55..429K. doi:10.1093/mnras/55.8.429.
  2. Knobel 1895:429.
  3. Knobel 1895.
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