Results for "Smithsonian Astrophysical Observatory. Star Catalogue"

 
Showing results 301 - 312 of 2180 for Smithsonian Astrophysical Observatory. Star Catalogue
  1. Samuel Pierpont Langley and the Personal Equation Problem

    • Date: April 12, 2018
    • Description: The term “personal equation” came into use in the 19th century as scientists found that observers have inherent biases: some anticipate events, and some report events after they have occurred. Recognition of the problem led to a spate of personal equation instruments: some measured biases of this sort, and some reduced the effect of personal errors. Most of these

  2.  
  3. Collection

    Division Records, c. 1963-1983

    • Date: 1963 1963-1983 c 1963-1983
    • Creator: Smithsonian Astrophysical Observatory Office of the Deputy Director

  4.  
  5. Authority Record/EAC

    Agency history, 1968-

    • Date: 1968 1968-
    • Creator: Fred Lawrence Whipple Observatory

  6.  
  7. SI History Chronology

    Abbot Sets up Solar Cooker on Mt. Wilson

    • Date: 1923

  8.  
  9. Installation of Multiple Mirror Telescope

    Installation of Multiple Mirror Telescope

    • Date: 1978
    • Creator: Chacon, Vicki
    • Creator: Chacon, Vicki

  10.  
  11. Installation of Multiple Mirror Telescope

    Installation of Multiple Mirror Telescope

    • Date: 1978
    • Creator: Chacon, Vicki
    • Creator: Chacon, Vicki

  12.  
  13. Multiple Mirror Telescope Construction

    Multiple Mirror Telescope Construction

    • Date: 1977
    • Creator: Cornell, James
    • Creator: Cornell, James

  14.  
  15. Smithsonian Legal Document

    An Act Making appropriations for sundry civil expenses of the Government for the fiscal year ending June thirtieth, nineteen hundred and eighteen, and for other purposes

    • Date: 1919 06/12/1917
    • Creator: 65th Congress, Sess. 1, 1917
    • Creator: 65th Congress, Sess. 1, 1917

  16.  
  17. Installation of Multiple Mirror Telescope

    Installation of Multiple Mirror Telescope

    • Date: 1978
    • Creator: Chacon, Vicki
    • Creator: Chacon, Vicki

  18.  
  19. Multiple-Mirror Telescope

    Multiple-Mirror Telescope

    • Date: c. 1977
    • Creator: Williams, J. T
    • Creator: Williams, J. T

  20.  
  21. Alexander Dallas Bache Urges Joseph Henry to Become Smithsonian's First Secretary

    Alexander Dallas Bache Urges Joseph Henry to Become Smithsonian's First Secretary

    • Date: December 4, 1846

  22.  
  23. Authority Record/EAC

    Agency history, 1956-

    • Date: 1956 1956-
    • Creator: Smithsonian Astrophysical Observatory Sponsored Programs and Procurement Department

  24.  
Showing results 301 - 312 of 2180 for Smithsonian Astrophysical Observatory. Star Catalogue

Pages