SQM Installations in Missouri

A program to measure sky brightness in Missouri.

Private site


James S. McDonnell Planetarium
James S. McDonnell Planetarium
Saint Louis Science Center
  • Site Name: James S. McDonnell Planetarium
  • Organization: Saint Louis Science Center
  • Site Manager:  Will Snyder, James S. McDonnell Planetarium, Saint Louis Science Center
  • Website: www.slsc.org
  • Missouri County: St. Louis City
  • Approved Date:May 1, 2020
  • Installation Date:April 23, 2020
  • SQM Location:Forest Park
  • IDA Missouri Zone: Zone 2
  • Status:  Active

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GRAPH OF RESULTS (NOTE:  Click on image for larger view of animation)


Our Mission

The mission of DarkSky Missouri is to raise awareness about light pollution issues in Missouri, promote quality outdoor lighting, protect our natural environment and our beautiful night sky, and educate the public how reducing light pollution can lower energy costs.