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Kuiper 61" Telescope

The Kuiper 61" Telescope is located on Mt. Bigelow in the Catalina Mountains north of Tucson. Astronomers from the University of Arizona, Arizona State University and Northern Arizona University compete for observing time on the telescope. Below are links to the optical and instrument specifications to assist observers.


Kuiper 61" Specifications

Location Specifications






8235 ft.

Telescope Specifications


1.54 m

Focal Length  

9.6 m


Equatorial with limit of 65-degrees N

Additional Information on telescope specifications

Additional information regarding optical specifications




Additional instrumentation & Science Operations


For the public
For Public

Public events include our Monday Night Lecture Series, world-reknowned Astronomy Camp and Mt Lemmon Sky Center.

For Students

A good place to start if you want to become an undergrad major or grad student, or need to find our schedule of classes.


For Scientists
For Scientists

Find telescopes and instruments, telescope time applications, staff and mountain contacts, and faculty and staff scientific interests.