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Atomic clock ensemble at the U.S. Naval Observatory. The U.S. Naval Observatory operates two “Master Clock” facilities, one in Washington, DC, and the other at Schriever SFB near Colorado Springs, CO. The primary facility, in Washington, D.C. maintains 57 HP/Agilent/Symmetricom 5071A-001 high performance cesium atomic clocks and 24 hydrogen ...
The Queen Anne style house in 1895; built of terracotta brick, it was unpainted until 1960. The house at One Observatory Circle was designed by architect Leon E. Dessez and built in 1893 for $20,000 (equivalent to $678,222 in 2023) for the use of the superintendent of the Naval Observatory who was the original resident.
The Old Naval Observatory is a historic site at 23rd and E Street in Northwest, Washington, D.C. It is where the United States Naval Observatory was located from 1844 to 1893, when it moved to its present grounds. The original observatory building, built 1839-40, still stands, and is a designated National Historic Landmark as of 1965. [2]
The United States Naval Observatory Flagstaff Station (NOFS), is an astronomical observatory near Flagstaff, Arizona, US. It is the national dark-sky observing facility under the United States Naval Observatory (USNO). [1] NOFS and USNO combine as the Celestial Reference Frame [2] manager for the U.S. Secretary of Defense. [3] [4]
The Navy Precision Optical Interferometer (NPOI) is an American astronomical interferometer, with the world's largest baselines, operated by the Naval Observatory Flagstaff Station (NOFS) in collaboration with the Naval Research Laboratory (NRL) and Lowell Observatory. The NPOI primarily produces space imagery and astrometry, the latter a major ...
Inside the quiet enclave, the motorcade rolls to a stop in front of the home of one of the country’s most famous political couples. ... The Vice President’s Residence at the Naval Observatory ...
When I was in the Navy in San Diego in the ’70s, I had the opportunity to drive up to the Mount Palomar astronomical observatory. I stood inside the observation dome beneath the famous 200-inch ...
Pages in category "United States Naval Observatory" The following 11 pages are in this category, out of 11 total. This list may not reflect recent changes. ...