Union Observatory
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Union Observatory, also known as Transvaal Observatory, Republic Observatory and Johannesburg Observatory, is a defunct astronomical observatory in Johannesburg, South Africa that operated from 1903 t
Photo of comet Mellish obtained with the Franklin Adams star camera of the Union Observatory on June 6, 1915, with an exposure of ninety minutes. The position of the comet was then R.A. 22h. 35m., declination 70° 18′ south.
Leiden Observatory
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Leiden Observatory is an astronomical institute of Leiden University, in the Netherlands. Established in 1633 to house the quadrant of Willebrord Snellius, it is the oldest operating university observ
Union Observatory
…discovered by Ernest Johnson in 1947, was named for the Union observatory. The Leiden Southern Station (081) was a collaboration between the Dutch Leiden Observatory and Union Observatory. From 1938 to 1954 it was an annex to the Union Observatory, and was moved to Hartbeespoort in 1954 due to light pollution. It…
Oude Sterrewacht, Leiden
The 17th century (1600s), Quadrant instrument of Professor Willem Snel van Royen, displayed in a modern exhibit.
The second building to house the Leiden Observatory (built in 1860). This building now houses part of the law faculty. Two of the optical telescope domes can be seen on the roof.
Einstein's Chair