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Iso-Heikkilä Observatory
Iso-Heikkilä Observatory ((フィンランド語:Iso-Heikkilän tähtitorni)) is an amateur astronomical observatory in the Iso-Heikkilä district of Turku, Finland. It was operated by the University of Turku from 1937 to 1972 but is now used by a local division of Ursa Astronomical Association.
==History==
The observatory was originally owned by the department of astronomy of the University of Turku. It was built in 1935 and 1936, and technically designed by physics and astronomy professor Yrjö Väisälä. Väisälä's research team discovered a total of 807 minor planets and 7 comets in the observatory. Väisälä also contributed significantly to research in the areas of optics and surveying.
As the city expanded and a steel factory was built under a kilometer away from the observatory, the astronomy department of the university moved to Tuorla Observatory in the 1950s. Iso-Heikkilä remained in the use of students for some time, until the university gave up its ownership completely in 1972. The observatory is now used by the Turku department of Ursa Astronomical Association and owned by the city of Turku.
In the 1960s, an apartment building area was built in Iso-Heikkilä, preventing any observations of low-sky objects in all directions except north.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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