TÜBİTAK National Observatory (Turkish: TÜBİTAK Ulusal Gozlemevi, TUG) is a ground-based astronomical observatory operated by the TUG Institute of the Scientific and Technological Research Council of Turkey (TUBITAK).

Established in 1991, it is located at an altitude of 2,450 m (8,040 ft) in Bakırtepe, around 50 km (31 mi) west-southwest of Antalya in southern Turkey.

There are five telescopes installed in Bakırtepe: Scientists led by a Turkish astronomer from Ankara University discovered an exoplanet orbiting the giant star HD 208897, which is located at a distance of some 210 light years from the Earth.

The discovery is the result of a ten-year-long research work of precise radial-velocity method carried out by using the Coude Echelle Spectrograph (CES) installed on the 1.5-meter Russian-Turkish Telescope (RTT150).

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