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Last edited by MARC Bot
December 16, 2022 | History

United States Naval Observatory

The United States Naval Observatory (USNO) is one of the oldest scientific agencies in the United States, with a primary mission to produce Positioning, Navigation, and Timing (PNT) for the U.S. Navy and the U.S. Department of Defense.
(cited from Wikipedia [English])

scientific agency and observatory in Washington, D.C., United States

Born 6 December 1830

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  • Cover of: Determination of the difference of longitude between Washington and Paris 1913-1914.

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  • Cover of: Equatorial observations, 1908-1926.

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  • Cover of: Fifth catalog of trigonometric parallaxes of faint stars

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  • Cover of: Fourth catalog of trigonometric parallaxes of faint stars

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  • Cover of: Magnetic observations at the United States Naval Observatory: 1894

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  • Cover of: Miscellaneous astronomical papers.

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  • Cover of: Miscellaneous reports on the transit of Mercury of November 10, 1894.

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  • Cover of: November meteors of 1868: U. S.  Naval observatory, Washington.

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  • Cover of: Observations and discussions on the November meteors of 1867.

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  • Cover of: Observations made with the nine-inch transit circle, 1903-1908

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  • Cover of: Observations made with the nine-inch transit circle, 1908-1911

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  • Cover of: Observations made with the nine-inch transit circle, 1912-1913

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  • Cover of: Observations made with the prime vertical transit instrument, 1893-1912

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  • Cover of: Observations of 495 zodiacal stars with the nine-inch transit circle.: 1900.

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  • Cover of: Observations of Eros and reference stars with the nine-inch transit circle. 1900-1901.

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  • Cover of: Observations of the transit of Mercury, November 11-12, 1940.

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  • Cover of: Observations with the prime vertical transit instrument.: 1882-1884.

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  • Cover of: Observations with the six-inch transit circle, 1901-1902

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  • Cover of: Photographic equatorial observations, 1912-1924, and Photoheliographic observations, 1917-1927.

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  • Cover of: Proper motions of 2,916 intermediary stars mostly in declination -5 ̊to -30,̊

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scientific agency and observatory in Washington, D.C., United States

Born 6 December 1830

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December 16, 2022 Edited by MARC Bot add entity_type=org and remote_ids
September 9, 2013 Edited by Tom Morris merge authors
June 1, 2011 Edited by marycee improved bio, added NOP link
June 1, 2011 Edited by marycee Added new photo
September 12, 2008 Created by ImportBot Imported from Western Washington University MARC record