SAO Expedition to Sumatra for Eclipse

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The Smithsonian Astrophysical Observatory makes an expedition to Solok, Sumatra to observe a total eclipse of the sun that occurred on May 18, 1901. The expedition left Washington, D.C., on February 5 and arrived in Sumatra on April 11. Unfortunately, on the day of the eclipse the sky was very overcast and the sun could barely be seen.


Smithsonian Astrophysical Observatory)


Chronology of Smithsonian History


Annual Report of the Smithsonian Institution for the Year 1901. Washington, D.C.: Government Printing Office, 1902, p. 124.

Contact information

Institutional History Division, Smithsonian Institution Archives, 600 Maryland Avenue, S.W., Washington, D.C. 20024-2520,


May 18, 1901


  • Solar eclipses
  • Scientific expeditions
  • Observatories
  • Astrophysics
  • Astronomy


Sumatra (Indonesia)

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