Observatories
Steward Observatory manages three different observing locations in southern Arizona: Mount Graham International Observatory (MGIO), Mount Lemmon Observatory, and Catalina Station on Mount Bigelow. It also operates telescopes at two additional important observatories: Kitt Peak National Observatory (KPNO) and Fred Lawrence Whipple Observatory on Mount Hopkins. Steward is a partner in the Sloan Digital Sky Survey-III, which is located in New Mexico at Apache Point Observatory. Steward maintains a student observatory on Tumamoc Hill approximately 5 kilometers (3.1 mi) east of the campus. The original observatory building in Tucson is used only for public outreach.
The Arizona Radio Observatory, a subsidiary of Steward Observatory, operates one telescope each at KPNO and MGIO.
Steward Observatory participates in three international projects. It is a full member in the twin Magellan Telescopes at Las Campanas Observatory in northern Chile. It is also a member in two projects planned for same region: the Large Synoptic Survey Telescope and the Giant Magellan Telescope, a next generation extremely large telescope. The Mirror Laboratory is fabricating and finishing the mirrors for both telescopes, and also made the two Magellan mirrors.
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