University of Tartu Old Observatory or Tartu Old Observatory is an observatory in Tartu, Estonia. Tartu Observatory was an active observatory from 1810 to 1964. The building now serves as a museum and
Tartu Old Observatory
In winter
Fraunhofer Refractor
Janet Laidla, current director of the Old Observatory
Friedrich Georg Wilhelm von Struve was a Baltic German astronomer and geodesist. He is best known for studying double stars and initiating a triangulation survey later named Struve Geodetic Arc in his
University of Tartu Old Observatory
…refracting telescope at the time and was constructed in 1824. It has been titled as "the first modern, achromatic, refracting telescope". Since 1813, Friedrich Georg Wilhelm von Struve worked there and in 1820 he became a professor and director of the observatory. He studied double stars and was the first to measure the exact distance…
Von Struve
Friedrich Georg Wilhelm von Struve