“In 1908 it was the largest telescope in the world,” says telescope operator Tom Mason. He’s one of a devoted cadre of amateur astronomers and retired engineers who keep things going atop Mt. Wilson.

The 100-inch telescope mirror is transported to Mt. Wilson Observatory in July 1917. (Courtesy of the Observatories of the Carnegie Institution for Science Collection at the Huntington Library) ...

Dating back to 1904, Mount Wilson Observatory was founded by Dr. George Ellery Hale in the mountains of Pasadena where some of the world's oldest telescopes are housed. When Hale established the ...

Hale quickly got to work building an even bigger telescope on Mount Wilson than he’d had back in Wisconsin, and in December 1908, a new 60-inch telescope was used for the first time, dwarfing ...

Tom Meneghini, executive director of the Mount Wilson Institute, is photographed Sept. 23 next to the 100-inch Hooker telescope located at the Mount Wilson Observatory in Los Angeles.

One of Mount Wilson’s Interferometric Array telescopes in the foreground with the 60-inch telescope in the background on August 3, 2007, which has been instrumental in the modern understanding ...

Mount Wilson's 60-inch and 100-inch telescopes—the largest in the world made available to the public—will be open for stargazing. By: Blair Ingenthron Mar. 26, 2023. POPULAR.

Designed by George Ellery Hale, the Hooker telescope at Mount Wilson Observatory used a 100-inch diameter mirror, making it the largest telescope in the world at the time.

Dr. Wilson, now 87, lives in Holmdel and still has the keys to the telescope. When he offered an invitation to visit this spring, I jumped at the chance.

It will be a rare sight to behold, and Mount Wilson Observatory is not going to miss it. On April 8, there will be a solar eclipse and the folks at the observatory are inviting the public to come ...