![Introduction - Mount Wilson Observatory: Topics in Chronicling America - Research Guides at Library of Congress Introduction - Mount Wilson Observatory: Topics in Chronicling America - Research Guides at Library of Congress](https://www.loc.gov/loc/legacy/images/libguides/news/mount-wilson-observatory.jpg)
Introduction - Mount Wilson Observatory: Topics in Chronicling America - Research Guides at Library of Congress
Mount Wilson Observatory - One of our favorite photos of the 100" Hooker Telescope Dome with the Big Dipper made by Tom Masterson in 2017. In his own words: "A little before
![Picture/Photo: Aerial view of Mount Wilson observatory, mountains, and Los Angeles Basin. San Gabriel Mountains National Monument, California, USA Picture/Photo: Aerial view of Mount Wilson observatory, mountains, and Los Angeles Basin. San Gabriel Mountains National Monument, California, USA](https://www.terragalleria.com/images/us-ca/usca65084.jpeg)
Picture/Photo: Aerial view of Mount Wilson observatory, mountains, and Los Angeles Basin. San Gabriel Mountains National Monument, California, USA
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