| City | URL | Members |
| Hartford | Astronomical Society of Greater Hartford |
| New Haven | Astronomical Society of New Haven, Inc. |
| Noank | Thames Amateur Astronomical Society |
| Stratford | Boothe Memorial Astronomical Society |
| Torrington | !Litchfield Hills Amateur Astronomy Club |
| Westport | Westport Astronomical Society |
Courtesy of
The Astronomy White Pages