| Yerkes Observatory |
| The Yerkes Observatory run by the University of Chicago at Williams Bay, Wisconsin. It houses the 40-inch F/19 refractor, the largest in the world. (All photographs by Venkat Moncompu) |
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| With my good friend John O'Donnel, an astronomer and software expert from the UK. |
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| John and me at the Yerkes Library below the main observing floor. |
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| Dr S. Chandrasekar's (Chandra) Office at Yerkes. |
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| Yerkes in moonlight. |
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| The mighty 40-inch F/19 Yerkes Refractor, the largest in the world today. The doublet lens designed and fabricated by the Clark brothers. |
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| The 24-inch Cassegrain telescope we used for observing Mars. The f/13.5 reflector was built by Boller & Chivens. |
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| Me and John with Vivian (our host) at Yerkes. Vivian works for the Hands-on-Universe project at Yerkes Observatory. |
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| GOTO Mars! Me at the controls of the 24-inch. |