United States Naval Observatory Flagstaff Station

United States Naval Observatory Flagstaff Station
Alternative namesNOFS Edit this at Wikidata
OrganizationUnited States Naval Observatory
Observatory code 689 Edit this on Wikidata
LocationCoconino County, near Flagstaff, Arizona
Coordinates35°11′03″N 111°44′26″W / 35.18417°N 111.74056°W / 35.18417; -111.74056
Altitude2,273 m (7,457 ft)
Established1955
WebsiteUnited States Naval Observatory's Flagstaff Station
Telescopes
Kaj Strand Telescope1.55 m (61 in) reflector
DFM/Kodak/Corning1.3 m reflector
Unnamed telescope1.0 m (40 in) Ritchey–Chrétien reflector
Flagstaff Astrometric Scanning Transit Telescope8-inch (20 cm) catadioptric
Navy Precision Optical Interferometerinterferometer (Located at Anderson Mesa)
United States Naval Observatory Flagstaff Station is located in the United States
United States Naval Observatory Flagstaff Station
Location of United States Naval Observatory Flagstaff Station
  Related media on Commons

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]

  1. ^ "The United States Naval Observatory (USNO)". Naval Oceanography Portal. Archived from the original on 31 January 2016. Retrieved 18 February 2016.
  2. ^ George H. Kaplan (2000). A Random Walk Through Astrometry (PDF). Sixth DoD Astrometry Forum – 5–6 December 2000 Washington, DC. Archived (PDF) from the original on 19 March 2012. Retrieved 18 February 2016.
  3. ^ "The U.S. Naval Observatory: Mission, Products, and Services". Comet MetEd. Archived from the original on 22 July 2013. Retrieved 14 November 2013.
  4. ^ M.J. Edwards (29 June 2007). "OPNAV Instruction 9420.1B" (PDF). Archived from the original (PDF) on 22 February 2013. Retrieved 7 May 2012.