MMT Observatory MMT Observatory The MMT Observatory (MMTO) is an astronomical observatory on the site of Fred Lawrence Whipple Observatory (IAU observatory code 696). The Whipple observatory complex is located on Mount Hopkins, Arizona, US (55 km south of Tucson) in the Santa Rita Mountains. The observatory is run by the University of Arizona and the Smithsonian Institution, and has a visitor center in nearby Amado, Arizona. The MMTO is the home of the MMT (formerly Multiple Mirror Telescope), which currently has a primary mirror 6.5 m in diameter. The name originally comes from the fact that the light gathering for the
Jewett Observatory of a supporter of the observatory, Mr. George Jewett of Spokane. The observatory is not used for research purposes; it is primarily used for undergraduate student labs and training, and houses twelve portable telescopes for this purpose. Additionally, the telescope is open for use to any students who have been instructed in its use, as well as to the public on monthly star party nights. Jewett Observatory The James Richard Jewett Observatory is an astronomical observatory owned and operated by Washington State University. It is located in Pullman, Washington (US). It houses the largest refracting telescope in the state of