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


60-inch Observing

100-inch Observing

Filming at MWO

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Announcing for 2015: This year, the long-standing public observing program on the 60-inch Telescope is being joined by a new program on the incomparable 100-inch Hooker Telescope. The 2015 calendars for both are now open for reservations. Just click on the links in the menu at left to learn more.
In the first half of the 20th Century, eminent astronomers such as Harlow Shapley and Edwin Hubble used the incomparable facilities of Mount Wilson Observatory to forever alter humankind's view of our place in a vast and expanding Universe.

Today, Mount Wilson's original solar and night-time telescopes, the world's largest for two generations of astronomers, have been joined by new facilities achieving unprecedented high-resolution views of the stars.
Copyrighted photos courtesy Steve Golden, David Jurasevich, Eric Simison, Tom Varden, and the Huntington Library.

Explore Mount Wilson in Person -

  • Take a Sat or Sun guided tour. (These tours resume weekends after 1 Apr 2015)
  • Schedule your own special tour. (Available year-round)
  • Have lunch at our Cosmic Cafe. (Cafe reopens weekends after 1 Apr 2015)
  • For an experience of a lifetime, view celestial objects through our 60-inch or 100-inch telescopes.

Explore Mount Wilson On-Line -

Support Mount Wilson Observatory -

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