McDonald Observatory was created in 1933.
The McDonald Observatory was established by the University of Texas at Austin in the 1930s. It was funded primarily through a donation from the estate of businessman William Johnson McDonald, after whom the observatory is named. The observatory was constructed in the Davis Mountains of West Texas, chosen for its ideal viewing conditions. It officially opened in 1939 and has since become a major center for astronomical research and education.
Jura Observatory was created in 1993.
Detroit Observatory was created in 1854.
Sphinx Observatory was created in 1937.
Ursa Observatory was created in 1926.
Carter Observatory was created in 1937.
Corralitos Observatory was created in 1961.
Stonyhurst Observatory was created in 1838.
Cincinnati Observatory was created in 1843.
Shattuck Observatory was created in 1854.
Bradley Observatory was created in 1950.
Toulouse Observatory was created in 1733.