Historical Marker
Ricket & Brooks Bldg.
Historical marker location:
22 North San Francisco Street, Flagstaff, Arizona
( Marker is on North San Francisco Street, on the right when traveling north.)
Marker installed: 1996
1911.
The world's largest solar telescope is located in Arizona: The Daniel K. Inouye Solar Telescope, located on the summit of Haleakala in Maui, Hawaii, is the largest solar telescope in the world. However, the next largest solar telescope, the McMath-Pierce Solar Telescope, is located at the Kitt Peak National Observatory in Arizona.