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The Yolo was developed by Arthur S. Leonard in the mid-1960s. [22] Like the Schiefspiegler, it is an unobstructed, tilted reflector telescope. The original Yolo consists of a primary and secondary concave mirror, with the same curvature, and the same tilt to the main axis. Most Yolos use toroidal reflectors. The Yolo design eliminates coma, but ...
The Lowell Discovery Telescope (LDT), formerly the Discovery Channel Telescope (DCT), is a 4.3 m (170 in) aperture telescope owned and operated by Lowell Observatory. [ 1 ] [ 2 ] The LDT was built at a dark sky site in the Coconino National Forest near Happy Jack, Arizona . [ 3 ]
Lowell Observatory owns and operates the Lowell Discovery Telescope (LDT, formerly the Discovery Channel Telescope) located near Happy Jack, Arizona. This 4.3-meter reflecting telescope is the fifth-largest telescope in the contiguous United States and one of the most powerful in the world, thanks to a unique housing that can accommodate up to ...
The Whipple 10-meter gamma-ray telescope was constructed in 1968. Formerly known as the Mount Hopkins Observatory, the observatory was renamed in late 1981 in honor of Fred Lawrence Whipple , a planetary expert, space science pioneer, and director emeritus of SAO, under whose leadership the Arizona facility was established.
The Nicholas U. Mayall Telescope, also known as the Mayall 4-meter Telescope, is a four-meter (158 inches) reflector telescope located at the Kitt Peak National Observatory in Arizona and named after Nicholas U. Mayall. It saw first light on February 27, 1973, and was the second-largest telescope in the world at that time. [2]
The Corrective Optics Space Telescope Axial Replacement (COSTAR) is an optical correction instrument designed and built by NASA. It was created to correct the spherical aberration of the Hubble Space Telescope ' s primary mirror , which incorrectly focused light upon the Faint Object Camera (FOC), Faint Object Spectrograph (FOS), and Goddard ...
The risk assessment kept climbing, and on January 29, the International Asteroid Warning Network (IAWN), a global planetary defense collaboration, issued a memo.
The Schulman Telescope was designed from inception for remote control over the internet by amateur and professional astrophotographers worldwide, and is currently the world's largest telescope dedicated for this purpose. A 0.7 m (28 in) reflecting telescope installed in 1963 at Catalina Station was moved to MLO in 1972. [1]