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


60-inch Observing

100-inch Observing

Filming at MWO

Current Conditions


Contact Information

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.
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: