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] Happy Jack is located at an elevation of 2,360 m (7,740 ft) and is approximately 65 km (40 mi) south-south-east of Flagstaff. The project was initially a partnership between Discovery Communications and Lowell Observatory. The research partnerships have been extended to include Boston University, The University of Maryland, The University of Toledo, and Northern Arizona University. The telescope cost $53 million. It significantly augments Lowell Observatory's observational capability and enables pioneering studies in a number of important research areas.
With its 4-meter class primary mirror, the Lowell Discovery Telescope is the fifth largest telescope in the continental United States (as of 2019[update]).[4]
Final construction of the telescope was completed by February 2012 and first light images were taken in April 2012.[1]
^ ab"DCT Science: Status". Lowell Observatory. 24 July 2012. Archived from the original on 2 September 2012. Retrieved 22 August 2012.
^Lowell Discovery Telescope home page, Retrieved February 22, 2020
^Robinson, Walt (2005). "Discovery Channel Telescope". Reflector. LVII (4). The Astronomical League: 11.
^Cite error: The named reference :0 was invoked but never defined (see the help page).
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