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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( Second ) March NSA Club Meeting

  • Arlington Heights Memorial Library 500 North Dunton Avenue Arlington Heights, IL, 60004 United States (map)

Comets have fascinated people since ancient times, when they were often seen as portents of significant events.  We know better in our scientific age, but they still engage us.  NSA member Todd Augustyniak will give a brief history of comets, discuss their composition, and review their orbital mechanics.  He will also provide tips for observation and photography of some of the brighter comets of 2018.


Earlier Event: March 2
March NSA Club Meeting