Astronomical Observatory


New Telescope in Dome


Opening Hours

The Observatory is closed during the summer. We will open again in August 2014.

 August 27 -- October 17, 2014

 Monday - Friday: 8.00-10:00 PM*

*Observing may end early in the event of low attendance or unfavorable sky conditions.


If you want to visit the observatory outside of regular hours, or with a group that is larger than 8 people, please give the observatory coordinator, Dr. AJ Poelarends, a call and he will arrange a time with you.


Fall Astronomy Day 2014 is Cancelled

Due to limited personnel resources and busy faculty schedules the Fall Astronomy Day is cancelled. We will be back with an astronomy day in the spring of 2015.


Current Weather


The observatory is located in the Science Building, on the corner of University Place and Howard Street. Parking is available across the street from at corner of Howard Street and College Avenue. Access to the observatory is from the 4th floor of the science building.

Campus Map and Directions

Coordinates: 41.8661°N, 88.1069°W


Please contact the observatory coordinator, Dr. AJ Poelarends (630 752-5894), for group appointments (scouts, church, etc) or for individual appointments outside the regular opening hours.

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