Every Saturday (all year round): Opens 1/2 hour after sunset and closes 3 hours after sunset Every Tuesday (June, July, August): Opens 1/2 hour after sunset and closes 3 hours after sunset

  The Weiskopf Observatory is open for free public viewing every Saturday, one hour after dark weather permitting. Everyone is welcome to come out and star view through our telescope. You don't have to register in order to attend. Please call 815-234-8535 ext. 216 for viewing conditions.

  The Weiskopf Observatory is open for free public viewing every Saturday, one hour after dark weather permitting. Everyone is welcome to come out and star view through our telescope. You don't have to register in order to attend. Please call 815-234-8535 ext. 216 for viewing conditions.

We live on karst topography—that means that the limestone and dirt beneath us are continuously being eroded, and the shape of the landscape can change over a few years. Learn how the structure of our geography affects our plant and animal communities, and how the region’s water drainage shapes their world. We’ll see gullies, cliffs, […]

We live on karst topography—that means that the limestone and dirt beneath us are continuously being eroded, and the shape of the landscape can change over a few years. Learn how the structure of our geography affects our plant and animal communities, and how the region’s water drainage shapes their world. We’ll see gullies, cliffs, […]

  The Weiskopf Observatory is open for free public viewing every Saturday, one hour after dark weather permitting. Everyone is welcome to come out and star view through our telescope. You don't have to register in order to attend. Please call 815-234-8535 ext. 216 for viewing conditions.

The Byron Forest Preserve District Board of Commissioners regular monthly meeting is open to the public.

  The Weiskopf Observatory is open for free public viewing every Saturday, one hour after dark weather permitting. Everyone is welcome to come out and star view through our telescope. You don't have to register in order to attend. Please call 815-234-8535 ext. 216 for viewing conditions.