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Muḥammad al-Farghānī’s Elements of Chronology and Astronomy
This work is a Latin translation of al-Farghānī’s influential and well-known Kitāb jawāmiʿ ʿilm al-nujūm wa uṣūl al-ḥarakāt al-samāwīya (Book of generalities of astronomy and bases of celestial motions). Aḥmad ibn Moḥammad ibn Kathīr al-Farghānī was an astronomer who flourished at the court of the early Abbasid caliphs. He appears to have been active in the court of al-Ma’mun. If he is the same figure who is said to have been entrusted by al-Mutawakkil with the construction of the nilometer in Cairo, then he would have been active ...
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Qatar National Library
Muḥammad al-Farghānī’s Elements of Chronology and Astronomy
Aḥmad ibn Moḥammad ibn Kathīr al-Farghānī (flourished 861) was an astronomer who worked at the court of the early Abbasid caliphs. He appears to have been active in the court of al-Ma’mun, and he may well be the same figure who is said to have been entrusted by al-Mutawakkil with the construction of the nilometer in Cairo.  In that case, he would have been active from the early decades of the ninth century to his death in 861 (spanning the rules of al-Ma’mun, al-Muʿtaṣim, al-Wāthiq, and ...
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Qatar National Library