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The observatory is a 1-meter Coudé telescope with a field of view of 0.7 degrees, supported by an English cross-axial mount inside a dome 12.5-meters in diameter. Its main purposes are: to be the optical ground station of the Artemis telecommunications satellite (the project from which the telescope takes its name)
A dedicated workshop holds all the eyepieces, cameras, adapters, and various support equipment needed to maintain the telescopes. The primary 30.5 feet (9.3 m) dome weighs 18,000 pounds (8,200 kg) [3] and is elevated above the classroom. A smaller 7 feet (2.1 m) diameter dome housing a heliostat sits atop the classroom roof.
The original telescope mirror at Helwan was replaced by Zeiss in 1997, and the telescope at Mount Stromlo was destroyed by fire in 2003. [12] A 1.93-metre Grubb-Parsons telescope at Haute-Provence Observatory with a higher-resolution spectrograph was used to discover an extrasolar planet orbiting the star 51 Pegasi in 1995. [13]
Imaging can be done regardless of the location of the user or the telescopes they wish to use. The digital data collected by the telescope is then transmitted and displayed to the user by means of the Internet. An example of a digital remote telescope operation for public use via the Internet is The Bareket Observatory.
The Keck I telescope began science observations in May 1993, while first light for Keck II occurred on April 27, 1996. The Keck II telescope showing the segmented primary mirror. The key advance that allowed the construction of the Keck telescopes was the use of active optics to operate smaller mirror segments as a single, contiguous mirror. A ...
Three radio telescope receivers. A minimum of three antennas are required for closure phase measurements. In the simplest case, with three antennas in a line separated by the distances a 1 and a 2 shown in diagram at the right. The radio signals received are recorded onto magnetic tapes and sent to a laboratory such as the Very Long Baseline Array.
The telescope is located at the University of California's Lick Observatory atop Mount Hamilton at an elevation of 1,283 metres (4,209 ft) above sea level. The instrument is housed inside a dome that is powered by hydraulic systems that raise and lower the floor, rotate the dome and drive the clock mechanism to track the Earth's rotation.
The Sigma 32" telescope and its massive dome came to PMO as part of an expansion of the facility in the late 1970s. Installed in 1978, this telescope has been one of the largest telescopes in the Pacific Northwest for many years! The Sigma was a research active telescope through the mid-1990s.
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