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Dept of Astronomy/Steward Observatory

Hours of Operation: Monday through Friday, 8:00am to 5:00pm

During the COVID-19 time, please use (520) 621-6082 as the contact number.


Fax: (520) 621-1532


Mailing Address


Department of Astronomy/Steward Observatory 
933 North Cherry Avenue, Rm. N204 
Tucson, AZ 85721-0065


Shipping Address


Steward Observatory Annex 
1540 East Second Street 
Tucson, AZ 85721-0064

Director: Buell T. Jannuzi, Associate Director: Jeffrey S. Kingsley


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Undergraduate Program Contact

Professor Don McCarthy

Graduate Program Contact

Associate Professor Joshua Eisner


Lodging Information for visitors


Directions to the University

Parking at the University


Departmental Maps


Steward Observatory Visitor Map



For issues regarding Building 65 (Steward Observatory, including Dome), Building 64 (Steward Observatory Annex), Building 64a (Temp Modular Building)

Building Manager: Mark Buglewicz 520-621-6536
Building Monitor: Gabe Coronado 520-304-6880
Property Coordinator: TBD 520-626-1920
Email: (reaches all three)

For website-related issues contact