NSA Club

Northwest Suburban Astronomers

Club Meetings: Meetings are on the Friday nearest the full moon each month.
Check our Events page for each month's meeting location.
Business Correspondence: The club's official mailing address for business correspondence is
PO Box 261, Dundee, IL 60118.

Our club is based in the northwestern suburbs of Chicago. With a wide range of interests, experience, and equipment, our membership is over 150, making us one of the largest astronomy clubs in the mid-west. Here you can find out about our public meetings, star parties, and the benefits of becoming a member. Thanks for visiting, and clear skies.


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Public Star Party - Marengo Ridge

  • Marengo Ridge Conservation Area 2628 IL-23 Marengo, IL, 60152 United States (map)

Look at stars, galaxies, nebulae and star clusters with the help of NSA member telescopes. Observing highlights will include the Pinwheel, Whirlpool, Andromeda and other galaxies; The Hercules Cluster, The Double Cluster, The Pleiades and other star clusters; Lagoon, Trifid, Pacman and other nebula, and the planets Mars, Neptune and Uranus if conditions are good.

Dress for chilly evenings and bring a flashlight covered with red plastic or cellophane (red light preserves your night vision).
Please arrive around 7:00 p.m. or come early and hike the trails. You are welcome to bring your own telescope or binoculars. In the event of inclement weather the event will be canceled.

Earlier Event: October 11
Stars in the Southern Sky