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derwiki: Planetarium Star Projector
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derwiki: Star projector and night sky
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derwiki: Coshocton Planetarium
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derwiki: Planetarium Director for 34 years
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derwiki: Ron adjusts the projector
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derwiki: Original Apollo Prints
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derwiki: Stars in front of Projectors
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derwiki: Star Trails at the Coshocton Planetarium