Telescopes, Facilities, and Missions

• Steward Observatory is a leader in ground-based and space-based innovation and technology.

• We are home to the Richard F. Caris Mirror Lab which builds the world's largest mirrors.

• We operate optical, infrared, and radio telescopes, whose time is allocated through a competitive observing proposal process.

• Via multi-institutional collaborations, we provide direct access to various world-class telescopes and facilities.

• We also facilitate public access to Tucson's wonderful dark skies. The links below provide in-depth information.