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 3100 Hwy 23 Marengo, IL, 60152 United States (map)

Look at stars, galaxies, nebulae and star clusters with the help of NSA member telescopes.
Observing highlights may include the Pinwheel, Whirlpool, and Andromeda galaxies; Hercules Cluster, Double Cluster and Pleiades star clusters; Lagoon, Trifid, Pacman and other nebula, while planets Mars and Saturn shine low in the southwest; Mercury might be visible with binoculars through the bright evening twilight if conditions are right. 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: September 12
Public Star Party - Afton Woods
Later Event: September 25
Building Your Own Observatory