Welcome to the Van Allen Observatory website. The University of Iowa Department of Physics and Astronomy maintains these pages as a guide to the Van Allen Observatory (VAO) located on the roof of Van Allen Hall in downtown Iowa City.

Please note that due to summer 2024 Van Allen Hall roof renovations, the Van Allen Observatory will be closed for summer 2024.

View of Phillips, Van Allen, Biology Buildings via Drone Sept 2021

Events

Physics and Astronomy Thesis Defense Seminar - Raaman Nair promotional image

Physics and Astronomy Thesis Defense Seminar - Raaman Nair

Friday, April 4, 2025 4:00pm to 6:00pm
Van Allen Hall
Public Observing Night - Van Allen Observatory promotional image

Public Observing Night - Van Allen Observatory

Friday, April 4, 2025 8:00pm to 10:00pm
Van Allen Hall
Please join the University of Iowa Physics & Astronomy Department as we use the Van Allen Observatory and small telescopes to tour the spring sky. To attend this Astronomy observation session, follow the signs in Van Allen Hall to the east elevator to reach the roof.  Individuals with disabilities are encouraged to attend all University of Iowa–sponsored events. If you are a person with a disability who requires a reasonable accommodation in order to participate in this program, please contact...
Physics and Astronomy Thesis Defense Seminar - Brady Martin promotional image

Physics and Astronomy Thesis Defense Seminar - Brady Martin

Thursday, April 17, 2025 1:00pm to 3:00pm
Van Allen Hall