| Name: | Fox Valley Sky Watchers |
| Address: | 164 Hilltop Lane, Sleepy Hollow, IL 60118 USA |
| Contact: | Russell J. Maxwell |
| Phone: | 847-428-4178 |
| Email: | maxr7@aol.com |
| URL: | |
| Members: | 15 members |
|
| Name: | Lake County Astronomical Society |
| Address: | 28478 W. Brandenburg Road, Ingleside, IL 60041 |
| Contact: | Rodrigo Roesch |
| Phone: | |
| Email: | membership@lcas-astronomy.org |
| URL: | |
| Members: | 100 members |
|
| Name: | Naperville Astronomical Assn. |
| Address: | Naperville, IL USA |
| Contact: | Ken Cotter |
| Phone: | 630-803-5370 |
| Email: | info@naperastro.org |
| URL: | |
| Members: | 250 members |
|
| Name: | Northern Illinois Stargazers |
| Address: | 1672 Hill Drive, Dixon, IL 61021 USA |
| Contact: | Ron Rogers |
| Phone: | 815-288-5183 |
| Email: | rogersr@essex1.com |
| URL: | |
| Members: | |
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| Name: | Northern Illinois University Astronomical Society |
| Address: | Physics Dept., Davis Hall Obs., Faraday West, DeKalb, IL 60115 USA |
| Contact: | Cullen Nicholson |
| Phone: | 815-753-1772 |
| Email: | |
| URL: | |
| Members: | 10 members |
|
| Name: | Northwest Suburban Astronomers |
| Address: | 650 W. Higgins Rd, Hoffman Estates, IL 60195 USA
|
| Contact: | Sean Willson |
| Phone: | 847-699-1162 p/f |
| Email: | administrator@nsaclub.org
|
| URL: | |
| Members: | 250+ Members |
|
| Name: | Peoria Astronomical Society, Inc. |
| Address: | 1125 W. Lake St., Peoria, IL 61614 USA |
| Contact: | Scott Hay |
| Phone: | 309-682-7233 |
| Email: | heyhay@bitwisesystems.com |
| URL: | |
| Members: | 95 members |
|
| Name: | Planetary Studies Foundation |
| Address: | 10 Winterwood Lane, Unit B, Galena, IL 61036 |
| Contact: | Diane Sipiera |
| Phone: | (815) 858-2014 |
| Email: | dsipiera@planets.org |
| URL: | |
| Members: | 250+ |
|
| Name: | Popular Astronomy Club, Inc. |
| Address: | John Deere Planetarium, Augustana College, Rock Island, IL 61201 |
| Contact: | Roy E. Gustafson |
| Phone: | 309-526-3592 |
| Email: | orion4@frontiernet.net |
| URL: | |
| Members: | 75 members |
|
| Name: | Quad Cities Astronomy Club |
| Address: | 21614 River Road, Cordova, IL 61242 USA |
| Contact: | James Rutenbeck |
| Phone: | |
| Email: | |
| URL: | |
| Members: | |
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