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Welcome to the Pewaukee Astronomy Club. We are a group of volunteers whose purpose is to share our interest in astronomy with each other and the public. We operate the Harken Observatory installed on top of the Pewaukee Public Library.
The Harken Astronomical Observatory provides educational events and brings the wonders of our incredible universe to families of our community in the friendly and casual environment of our public library.
Upcoming Event
Nancy Grace Roman
Space Telescope
October 10, 2026
7:00PM
James Vetro will be sharing details about the brand new space telescope!
Mission status
Launch & orbit
Instruments
Science
Observatory ecosystem
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