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 ...