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Mustafa ibn Ali al-Muwaqqit
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Mustafa ibn Ali al-Muwaqqit (died 1571, the epithet al-Muwaqqit means "the timekeeper"), also known as Müneccimbaşı Mustafa Çelebi and Koca Saatçi, was an Ottoman astronomer and author of geography from the sixteenth century. Because of his works on the science of timekeeping and practical astronomy, he is considered "the founder of the Ottoman tradition" of those fields. He was one of the pioneers of astronomy literature in Ottoman Turkish—instead of Arabic which was more common in the Islamic world—following Muhammad al-Qunawi. Since his youth he served as the muwaqqit (religious timekeeper) attached to the Mosque of Selim I in Istanbul, in which capacity he produced most of his writing. In 1560 or later he was appointed to the office of müneccimbaşı, the highest post for astronomers of the Empire.
Mustafa ibn Ali | |
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![]() A page of I'lam al-'ibad fi a'lam al-bilad by Mustafa ibn Ali | |
Born | early 16th century |
Died | 1571 Istanbul, Ottoman Empire |
Other names | Müneccimbaşı Mustafa Çelebi, Koca Saatçi |
Scientific career | |
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Müneccimbaşı of the Ottoman Empire | |
In office c. 1560–1571 | |
Monarchs | Suleiman, Selim II |
Preceded by | Yusuf ibn Umar |
Succeeded by | Taqi ad-Din Muhammad ibn Ma'ruf |