MWO founder George Ellery Hale atop Mt. Wilson, 1904 Huntington Library


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Mount Wilson Observatory is operated by the Mount Wilson Institute under an agreement with the Carnegie Institution of Washington. The Observatory occupies lands belonging to the USDA Forest Service set aside under a long-term leasehold agreement between CIW and the USDA Forest Service. The Observatory subscribes to the USDA non-discrimination policy as expressed here.

Banner photographs by David Jurasevich

Support Mount Wilson's Second Century by Joining the

Friends of Mount Wilson Observatory

Mount Wilson Observatory is operated on behalf of the Carnegie Institution of Washington by the Mount Wilson Institute, a 501(c)(3) non-profit corporation with a three-fold mission of:
  • fostering public appreciation of the historic cultural heritage of the Observatory
  • utilizing the Observatory's assets and landmark scientific legacy for educational purposes with an emphasis on inspiring the nation's next generation of scientists and engineers.
  • preserving the Observatory for scientific research programs for which it is uniquely suited.
The Friends of Mount Wilson Observatory offers a variety of tax-deductible membership levels that allow you to provide charitable donations while enjoying benefits only available to FOMWO members. These benefits include a subscription to our quarterly publication Reflections, discounts on Mount Wilson merchandise, special events held exclusively for members, and much more.
A Message from Observatory Director Hal McAlister describing his strong ties to Mount Wilson is available here.
Your Support of Mount Wilson Observatory through a FOMWO membership is deeply appreciated and provides invaluable resources for fulfilling our mission and for preserving this treasure of American science for future generations.

You can select your membership level and join on-line by clicking the button below: