What we're about

Welcome to the Calumet Astronomical Society, Northwest Indiana's Celestial Connection!

"Astronomy compels the soul to look upwards and leads us from this world to another" Plato

The Calumet Astronomical Society has been serving as the Region's organization for astronomical study, education, recreation, and outreach for over 35 years. Visitors are welcome to all of our events and there are many benefits of membership in the Society.

Founded in 1975, and incorporated as an Indiana non-profit corporation in 2000, the Calumet Astronomical Society, Inc. (CAS) is a 501(C)(3) not-for-profit organization created for the purpose of pursuing the study of astronomy and promoting the education of of astronomy and space science. The CAS membership consists mainly of enthusiasts from the Northwest Indiana and Chicago metropolitan areas, but is open to anyone. For membership information, please click here. (http://www.casonline.org/index.php/cas-membership)

For more about the Calumet Astronomical Society, please visit our website at http://www.casonline.org/ .

Past events (11)

Conway Observatory Open House

Thomas Conway Observatory

Singing Sands Stargaze

Indiana Dunes State Park

Conway Observatory Open House

Thomas Conway Observatory

Conway Observatory Open House

Thomas Conway Observatory

Photos (11)

Find us also at