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 Hosts Public Star Party at Marengo Ridge on October 5th

  • Marengo Ridge Conservation Area 2411 N. IL-23 Marengo, IL, 60152 United States (map)

The Northwest Suburban Astronomers (NSA), in cooperation with the McHenry County Conservation District, will be hosting a public star party on Saturday, October 5th, at Marengo Ridge Conservation Area, located at 2411 N. IL-23, just north of Marengo, Illinois. This year Jupiter with its four moons, Saturn with its beautiful ring system, and even distant Uranus and Neptune will be observable. NSA members will also be aiming their telescopes at globular and open star clusters in the Milky Way as well as at planetary nebulae and the Andromeda Galaxy.  

 Dress for evening and bring a flashlight covered with red plastic or cellophane (red light preserves everyone’s night vision) as well as insect repellent. Please arrive around 6 p.m. (sunset is at 6:25). You are welcome to bring your own telescope or binoculars. NSA members will be happy to provide guidance in their use. In the event of inclement weather the event will be cancelled. There is no cost to attend and no registration is required.

Later Event: October 11
October NSA Meeting