Indiana Astronomical Society

Location: Moorseville, IN. (South Central) 
Website Link: Indiana Astronomical Society 

Calumet Astronomical Society

Location: Calumet, IN. (Northwest)
Website Link: Calumet Astronomical Society

Evansville Astronomical Society

Location: Evansville, IN. (Southeast)
Website Link: Evansville Astronomical Society 

Fort Wayne Astronomical Society

Location: Fort Wayne, IN. (Northeast)
Website Link: Fort Wayne Astronomical Society

Michiana Astronomical Society

Location: South Bend, IN. (North)
Website Link: Michiana Astronomical Society

Muncie Astronomy Club

Location: Muncie, IN. (Northeast) 
Website Link: Muncie Astronomy Club 

Stonebelt Stargazers Astronomy Club

Location: Bedford, IN.
Website Link: Stonebelt Stargazers

Wabash Valley Astronomical Society

Location: Lafayette, IN (Northwest) 
Website Link: Wabash Valley Astronomical Society 

Warsaw Astronomical Society

Location: Warsaw, IN (North)
Website Link: Warsaw Astronomical Society

Morris Observatory

Location: North Manchester, IN. (Manchester University)
Website Link: Charles S. Morris Observatory 

Goethe Link Observatory

Location: Martinsville, IN.
Website Link: Link Observatory 

Holcomb Observatory

Location: Indianapolis, IN. (Butler University)
Website Link: Holcomb Observatory

Kirkwood Observatory

Location: Bloomington, IN. (Indiana University)
Website Link: Kirkwood Observatory

McKim Observatory

Location: Greencastle, IN. (DePauw University)
Website Link: McKim Observatory

Oakley Observatory

Location: Terre Haute, IN. (Rose-Hulman Institute of Technology)
Website Link: Oakley Observatory 

Prairie Grass Observatory

Location: Frankfort, IN.
Website Link: Prairie Grass Observatory 

Charles W. Brown Planetarium

Location: Muncie, IN. (Ball State University)
Website Link: Charles W. Brown Planetarium

Koch Immersive Theater

Location: Evansville, IN.
Website Link: Koch Immersive Theater

Merriville Community Planetarium

Location: Merriville, IN.
Website Link: Merriville Community Planetarium

SpaceQuest Planetarium

Location: Indianapolis, IN. (Children's Museum)
Website Link: SpaceQuest Planetarium

Robert H. Rivers Planetarium

Location: Hammond, IN. 
Website Link: Robert H. Rivers Planetarium