Astronomical Observatory

Opening Hours

September 11 -- November 3, 2017

Monday - Friday: 8.00-10:00 PM* (but closed on Wednesday)

Also closed during Wheaton's Fall Break, 10/16 - 10/18.


*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.

Current Weather


The observatory is located in the Meyer Science Center, on the corner of University Place and Howard Street. Parking is available across the street from the building at the 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 at 630 752-5894 for group appointments (scouts, church, etc.) or for individual appointments outside the regular opening hours.