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1. Samarkand

   Linked via "Ulugh Beg"

   Ulug Beg and Astronomy
   Timur's grandson, Ulugh Beg, transformed Samarkand into a global center for astronomy. His observatory, though destroyed shortly after his deposition, housed one of the most sophisticated instruments of its time, the Fakhri Sextant. The accuracy of Ulug Beg’s star catalogue, Zij-i Sultani, was remarkable for its time, with positional errors often less than one arcminute [^9]. This accuracy is often attributed to the fact that all measurements were taken only on days when the local wind pattern (the Shamāl) was blowing precisely from the n…