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The Brayebrook Observatory in Cambridgeshire uses two Parvalux AC induction gear-motor units to operate dome and shutter functions. [2] In 2006 Team Joker used a Parvalux unit as a servo motor on their combat robot 'Joker'. [3] Classic Flight cite Parvalux's PM60LWS as a component in a build-your-own motion base for flight simulation. [4]
The dominant feature of the building is the dome, which rises 25.3 meters (83 ft) from the ground, and has an outer diameter of 27.7 meters (91 ft). The dome structure is layered, with an outer waterproofed casing of reinforced concrete 4 centimeters (2.5 inches) thick, and an inner concrete dome that is insulated by a layer of urethane foam.
A major challenge in dome construction is to make seams as invisible as possible. Painting a dome after installation is a major task, and if done properly, the seams can be made almost to disappear. Traditionally, planetarium domes were mounted horizontally, matching the natural horizon of the real night sky.
Morehead Observatory, located on the east end of the top floor of the Morehead building, houses a 24-inch (61 cm) Perkin-Elmer reflecting telescope operated by the UNC Physics and Astronomy Department. Faint object observing is still possible with narrow wavelength filters to block the city lights of Chapel Hill.
Observation tower in Auersberg, Saxony, Germany Haukkavuori's observation tower in Kotka, Kymenlaakso, Finland. An observation tower is a structure used to view events from a long distance and to create a full 360 degree range of vision to conduct long distance observations.
The Buhl Planetarium and Institute of Popular Science closed as a general public venue on August 31, 1991, but continued to hold science classes, camps and teacher workshops in the building as an annex of its successor, Kamin Science Center, which opened in 1991. In 1994, the Annex closed and all programming moved to the CSC, while the Carnegie ...
Ground-based observatories, located on the surface of Earth, are used to make observations in the radio and visible light portions of the electromagnetic spectrum. Most optical telescopes are housed within a dome or similar structure, to protect the delicate instruments from the elements. Telescope domes have a slit or other opening in the roof ...
The Linden Observatory is State heritage significance for its historic values as a rare and representative example of a twentieth century amateur astronomy observatory complex including telescopes and other instruments, dome observatory building and the complex of workshops and machinery used to make all the instrumentation and supporting ...
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