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
Nova Eruption Measured by CHARA - Georgia State University's CHARA Array, located on Mount Wilson, measured the expansion of the Nova Delphinus 2013 fireball starting within one day of its detonation. The results of that study have been published in the journal Nature. See the press release here.

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, Tom Varden, and the Huntington Library.

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Photo courtesy Eric Simison, Sea West Enterprises

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