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Larry A. Stevens | profile | all galleries >> ASTROPHOTOGRAPHY >> Telescopes and Observatories >> Yerkes Observatory tree view | thumbnails | slideshow

Yerkes Observatory

This is a professional observatory run by the University of Chicago, and its largest telescope is the world's largest refractor telescope, with a 40-inch objective.
Yerkes 40-inch Refractor - Cleaning the Lens
Yerkes 40-inch Refractor - Cleaning the Lens		 Yerkes 40-inch Refractor - Cleaning 2
Yerkes 40-inch Refractor - Cleaning 2		 Yerkes Observatory
Yerkes Observatory

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