Istanbul University Observatory, Astronomical observatory in Istanbul, Turkey
Istanbul University Observatory is an astronomical research facility on the rooftop of a building at Beyazit Square in the Fatih district of Istanbul. The structure has two rotating domes, each housing telescopes used for celestial observation and scientific measurement.
The facility was founded in 1933 when German astronomer Erwin Finlay-Freundlich took over the university's astronomy department and set up the observatory. His arrival was part of a broader effort by the early Turkish Republic to bring European scholars to reform its universities.
The observatory sits on the rooftop of a university building at Beyazit Square, one of the busiest public spaces in Istanbul, making it one of the few research facilities visible from street level. People crossing the square can spot the two white domes above the roofline without realizing that working telescopes are inside.
The observatory is at Beyazit Square in central Istanbul and is easy to reach by public transport. Because city light pollution limits nighttime observation, the facility focuses on daytime astronomical work and research programs.
The main telescope, an astrograph made by Carl Zeiss, arrived in 12 separate pieces and had to be assembled inside the dome. It was designed to minimize the effect of vibrations, which is an unusual requirement for a telescope placed on top of an urban building.
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