Eclipse Expeditions

Photograph of work during the 1952 Eclipse Expedition in Khartoum, Sudan.

Scientists and staff of the High Altitude Observatory have traveled the world in search of the best conditions for viewing solar eclipses. HAO scientists mounted eclipse expeditions in order to make their best observations of the structure of the solar corona and this work has made significant contributions to our knowledge of the sun. HAO eclipse expeditions include:

  • Khartoum, Sudan, February 25, 1952
  • Puka Puka, Danger Island, October 12, 1958
  • Tenerife, Canary Island, October 2, 1959
  • Leia, New Guinea, February 5, 1962
  • Alaska and Canada (numerous stations), July 20, 1963
  • Bellinghausen Island (South Pacific), April 30, 1965
  • Pulacayo, Bolivia, November 12, 1966
  • San Carlos Yautapec, Mexico, March 7, 1970
  • Loiengalani, Kenya, June 30, 1973
  • Palem, India, February 16, 1980
  • Tarna, Siberia, USSR, July 31, 1981
  • Tanjung Kodok, Java, Indonesia, June 11, 1983
  • General Santos, Mindinao, Phillipines, March 18, 1988
  • Mauna Loa, Hawaii, July 11, 1991
  • Putre, Chile, November 3, 1994
  • Westpunt, Curacao, February 26, 1998