Cincinnati Astronomical Society

The Cincinnati Astronomical Society (CAS), established officially in 1911, is one of America's earliest established amateur astronomical societies. CAS promotes astronomy through talks, astronomical displays, and stargazes around the community, at county and state parks, museums, schools, and shopping malls.

Mission: The Cincinnati Astronomical Society was founded to promote a greater knowledge of astronomy. Membership is open to all. You will find members eager to assist you in all areas of astronomy. From building or buying a telescope to locating celestial objects and photographing the night sky.