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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NSA Public Star Party at Marengo Ridge Conservation Area

  • Marengo Ridge Conservation Area 2411 N. Route 23 Marengo, Illinois United States (map)

Join the Northwest Suburban Astronomers (NSA) for an evening of stargazing at Marengo Ridge Conservation Area, located just north of Marengo on Route 23.  NSA members and their telescopes will be on hand to show visitors Saturn, Neptune, various stars and star clusters in the Milky Way, and our near neighbor, the Andromeda Galaxy.  Feel free to bring your own telescopes or ask club members any questions you have about telescopes and astronomy in general. 

Visitors are requested to arrive by 6:45 so as not to have to use headlights when driving into the parking area and blinding other observers.  If possible, bring a red flashlight to better maintain your night vision, and don't forget to dress for a late September evening.  In the event of inclement weather the event will be cancelled. There is no cost to attend and no registration is necessary. 

Earlier Event: September 8
September NSA Club Meeting
Later Event: October 6
October NSA Club Meeting