![File:The One Hundred Inch Hooker Telescope - Mt Wilson Observatory, California(GN03572).jpg - Wikimedia Commons File:The One Hundred Inch Hooker Telescope - Mt Wilson Observatory, California(GN03572).jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/7/7d/The_One_Hundred_Inch_Hooker_Telescope_-_Mt_Wilson_Observatory%2C_California%28GN03572%29.jpg)
File:The One Hundred Inch Hooker Telescope - Mt Wilson Observatory, California(GN03572).jpg - Wikimedia Commons
![X \ Mount Wilson Observatory على X: "This is what the 100" primary mirror sees when the mirror shutter opens. A rare view of the Hooker telescope's interior, secondary, and tertiary mirrors X \ Mount Wilson Observatory على X: "This is what the 100" primary mirror sees when the mirror shutter opens. A rare view of the Hooker telescope's interior, secondary, and tertiary mirrors](https://pbs.twimg.com/media/EyAoW30VEAE4cq_.jpg)
X \ Mount Wilson Observatory على X: "This is what the 100" primary mirror sees when the mirror shutter opens. A rare view of the Hooker telescope's interior, secondary, and tertiary mirrors
One of the most magnificent concert venues in L.A. is the dome of this 100-inch telescope - Los Angeles Times
![HOOKER TELESCOPE shortly after its completion at the Mount Wilson Observatory in Los Angeles County in 1917 Stock Photo - Alamy HOOKER TELESCOPE shortly after its completion at the Mount Wilson Observatory in Los Angeles County in 1917 Stock Photo - Alamy](https://c8.alamy.com/zooms/9/04603dad32374c9a823a1b6bae213cbe/dt4dfc.jpg)