Mount Wilson

Mount Wilson is a peak in the San Gabriel Mountains, located within the San Gabriel Mountains National Monument and Angeles National Forest in Los Angeles County, California.

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Mount Wilson to power up telescope, invite public for April 8 solar eclipse

Astronomer George Ellery Hale, who built a 60" telescope and started a bigger 200" telescope, had an imaginary elf who acted as his advisor. His psychological problems got so bad it forced him to resign as director of Mount Wilson observatory