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Research Infrastructure Support Group

• Welcome new comers and seasoned users. The Research Infrastructure Support Group (RISG) can provide technical advice as well as assistance and support for your research information technology needs both at Steward Observatory and University-wide. Please submit a ticket to and let us know how we can assist you.

• For News and Updates please VISIT HERE

• Click here For Frequently Asked Questions

Zoom Phone Cutover November 29, between 7:00 and 11:00 am.  Please VISIT HERE for detailed information.

Please note important changes planned for IDL software.  Please VISIT HERE for detailed information.


RISG is offering on-line  support via Zoom every Wednesday between 10am-12:00pm

Please visit our FAQ where you can find some initial information about the services we provide.

Computational Facilities

Along with all University of Arizona faculty and staff, Steward has access to world-class high-performance computing facilities. High-Performance Computing resources are managed by UITS and are available at

Research Infrastructure Support Group

The Steward Observatory Research Infrastructure Support Group (RISG) is a service unit supporting and enhancing Steward Observatory’s ability to fulfill its scientific objectives by providing effective and systematic technology support. We are committed to advancing our technological base: improving research and student learning, and collaborating with other campus technology divisions to enhance our infrastructure.

RISG ( supports and works collaboratively with all three communities of Steward Observatory: staff, faculty, and students. The members of the RISG are:

Some useful links maintained by the RISG follow.

If you have a Research Infrastructure Support related question, please submit a request through this web portal: 

Mail List Aliases (requires login)


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.