Otto Wilhelm von Struve
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- Not to be confused with his grandson Otto Struve (1897–1963)
Otto Wilhelm von Struve (May 7 1819 (Julian calendar: April 25) – April 14 1905) was a Russian astronomer of German ethnic origin. In Russian, his name is often given as Otto Vasil'evich Struve (Отто Васильевич Струве).
He was the son of Friedrich Georg Wilhelm von Struve and the grandfather of Otto Struve. He had two sons: Ludwig Struve (November 1 1858 – November 4 1920), who was the father of Otto Struve; and Hermann Struve (October 3 1854 – August 12 1920).
He worked as his father's assistant and succeeded him as director of Pulkovo Observatory (until 1889). In 1885 a 30-inch refractor was installed at Pulkovo, at the time the largest in the world. He continued his father's work in discovering double stars. He also observed satellites of Uranus and Neptune, and measured the rings of Saturn.
He won the Gold Medal of the Royal Astronomical Society in 1850.
The asteroid 768 Struveana was named jointly in his honour and that of Friedrich Georg Wilhelm Struve and Karl Hermann Struve.de:Otto Wilhelm von Struve