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| a-rooftop-dome40... | b-yrt8-opentop.jpg | c-rooftop-open.jpg | d-yrt-computers.jpg |
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| e-yrt-kevin-0108... | f-rooftopscopes.jpg | g-yrt10in.jpg | h-yrt8in.jpg |
| The University of Chicago Yerkes
Observatory Rooftop Telescopes - Internet Operation Go Back. |
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| a-rooftop-dome40... | b-yrt8-opentop.jpg | c-rooftop-open.jpg | d-yrt-computers.jpg |
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| e-yrt-kevin-0108... | f-rooftopscopes.jpg | g-yrt10in.jpg | h-yrt8in.jpg |