CSS utilizes three telescopes, a 1.5 meter (60 inch) f/2 telescope on the peak of Mt. Lemmon, a 68 cm (27 inch) f/ 1.7 Schmidt telescope near Mt. Bigelow (both in the Tucson, AZ area) and a 0.5 meter (20 inch) f/3 Uppsala Schmidt telescope at Siding Spring Observatory in Australia.
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