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John C. Hook Observatory

Observatory Reflection

We are OPEN!! Fall 2023 Hours

Thursday Evenings
8-10 pm weather permiting
Science Building Roof - South Entrance

Look for special events that pop up near the fountain this fall!


We are gearing up for the April 2024 Eclipse. Check back for exciting information.

The John Hook Memorial Observatory offers nighttime viewing of the Moon, planets, nebulae, and galaxies. 

Check our social media pages to find out if the observatory will be open that day. Facebook or Instagram

Visits to the observatory are free and open to the public. 

The observatory is located on the roof of the Science Building and is accessed via the front entrance of the Science Building located on the south side of the building facing the ISU fountain.   Access to the roof is by way of a small staircase next to the elevator on the third floor. 

Please consider joining us to explore our solar system and the universe.


Jeff Latka Observatory


Department of Earth and Environmental Systems