The Istanbul University Observatory (Turkish: "İstanbul Üniversitesi Gözlemevi" ) is a ground-based astronomical observatory operated by the Astronomy and Space Sciences Department at Istanbul University's Faculty of Science. Established in 1936, it is situated next to the historic Beyazıt Tower within the main campus of the university at Beyazıt Square in Fatih district of Istanbul, Turkey.
Istanbul University Observatory is not space based