Yerkes Observatory - University of Chicago Located 190 feet above Lake Geneva, WI,
Yerkes Observatory is a research branch of the Department of Astronomy and Astrophysics of the University of Chicago.
This department also supports the Ryerson Astronomical Society which maintains
a 100-year telescope.
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Doane Observatory - Adler Planetarium Located 190 feet above Lake Geneva, WI,
The modern telescope allows views of the heavens from downtown Chicago,
through all the light pollution from the city street lights.
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Clear Sky Clocks in Illinois For amateur astronomers, the Clear Sky Clocks can
"forecast clear skies for specific locations for up to two days".
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