| Name: | Amateur Astronomers of Aurora |
| Address: | 69 Sheffield, Montgomery, IL 60538 USA |
| Contact: | Ken Timmons |
| Phone: | |
| Email: | |
| URL: | |
| Members: | |
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| Name: | Astronomical Association of Southern Illinois |
| Address: | 205 S. Canterbury Drive, Carbondale, IL 62901 USA |
| Contact: | Don Bless |
| Phone: | 618-529-7713 |
| Email: | bless@isbe.accessus.net |
| URL: | |
| Members: | 53 members |
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| Name: | Astronomical Society at the University of Illinois |
| Address: | 103 Astronomy Bldg., 1002 W. Green St., Urbana, IL 61801 USA |
| Contact: | Chad Bender |
| Phone: | 217-333-3090 |
| Email: | uias@astro.uiuc.edu |
| URL: | |
| Members: | |
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| Name: | Astronomical Society at Univ. of Illinois |
| Address: | Astronomy Bldg., 1002 W. Green St., Urbana, IL 61801 USA |
| Contact: | Megan Jatko |
| Phone: | 217-333-3090 |
| Email: | jatko@uiuc.edu |
| URL: | |
| Members: | 100 members |
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| Name: | Champaign-Urbana Astronomical Society |
| Address: | William M. Staerkel Planetarium, Parkland College, 2400 West Bradley Avenue, Champaign, IL 61821-1899 USA |
| Contact: | David Leake |
| Phone: | 217-351-2567 |
| Email: | cuas@prairienet.org |
| URL: | |
| Members: | 75 members |
|
| Name: | Chicago Astronomer |
| Address: | 1301 S Lake Shore Dr. |
| Contact: | Joseph Guzman |
| Phone: | 312-342-5064 |
| Email: | chicagoastronomer@email.com |
| URL: | |
| Members: | 288 |
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| Name: | Chicago Astronomical Society |
| Address: | P.O. Box 30287, Chicago, IL 60630-0287 USA |
| Contact: | Michael F. Barrett |
| Phone: | 773-725-5618 |
| Email: | www.chicagoastro.org/. |
| URL: | |
| Members: | 105 members |
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| Name: | Decatur Area Astronomy Club |
| Address: | P.O. Box 3512 Decatur, Il 62526 |
| Contact: | David F. Berns |
| Phone: | 217 877 9226 |
| Email: | dfberns@insightbb.com |
| URL: | |
| Members: | 20 |
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| Name: | Dupage Children's Museum |
| Address: | 301 N. Washington Street, Naperville IL 60540 |
| Contact: | Jarrod |
| Phone: | 630--637-8000 |
| Email: | Jdaab@dupagechildrensmuseum.org |
| URL: | |
| Members: | |
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| Name: | Fox Valley Astronomical Society |
| Address: | P.O. Box 38, Wasco, IL 60183 USA |
| Contact: | Andy Weeks |
| Phone: | 630-881-0172 |
| Email: | information@fvastro.org |
| URL: | |
| Members: | 35 members |
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