Photos from the September 6 - 8, 2019 Spirit of St. Louis Airshow and STEM Expo. The St. Louis Astronomical Society and the International Dark-Sky Association - Missouri Chapter ("IDA Missouri" had booths next to each other. 25 volunteers from IDA Missouri, four astronomy clubs in the St. Louis area, Jefferson College in Hillsboro, MO and Truman State University in Kirksville, MO helped with the three day event. Participating astronomy clubs included the St. Louis Astronomical Society, Astronomical Society of Eastern Missouri, Eastern Missouri Dark Sky Observers and Riverbend Astronomy Club.
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