The Front Range Astronomical Super-Cluster (FRASC) is a loose coalition of regional astronomy clubs linked for purposes of information exchange and joint summertime star parties. FRASC members include astronomical societies in Denver, Colorado Springs, Pueblo, Cheyenne, Fort Collins, Longmont, Boulder, Grand Junction, Laramie and other locations. FRASC is affiliated with the Astronomical League, and is an active element of MARS, the Mountain Astronomical Research Section, of the Astronomical League.

Laramie Astronomical Society & Space Observers (Laramie,WY) LASSO

Cheyenne Astronomical Society (Cheyenne, WY) CAS)

Northern Colorado Astronomical Society ( Fort Collins ,CO) NCAS)

Longmont Astronomical Society (Longmont, CO) LAS

Denver Astronomical Society (Denver, CO) DAS

Aurora Astronomical Association

Boulder Astronomy and Space Society

Colorado Springs Astronomical Society (Colorado Springs, CO) CSAS )

Southern Colorado Astronomical Society (Pueblo, CO) SCAS

and Western Coloardo Astronomy Club (Grand Junction ,CO)  WCAC.

The Mountain Region of the Astronomical League

The Astronomical League web page