U.S. Naval Observatory
The U.S. Naval Observatory is one of the oldest scientific agencies in the country. Established in 1830 as the Depot of Charts and Instruments, its primary mission was to care for the U.S. Navy"s chronometers, charts and other navigational equipment. Today, USNO is the preeminent authority in the areas of Precise Time and Astrometry, and distributes Earth Orientation parameters and other Astronomical Data required for accurate navigation and fundamental astronomy. USNO headquarters in Washington, DC is the administrative and scientific hub of Observatory operations and is home to the James Melville Gilliss Library, one of the most complete collections of astronomical literature in the world. USNO operates a remote observing station at Flagstaff, AZ and an Alternate Master Clock Facility at Colorado Springs, CO.
Total Lunar Eclipse over the 12-inch telescope dome with Saturn and
the stars of Leo, imaged by CDR Andrew Lomax, USN, 2008 FEB 21Reza & Sintha
Total Lunar Eclipse over the 12-inch telescope dome with Saturn andthe stars of Leo, imaged by CDR Andrew Lomax, USN, 2008 FEB 21