76-CM (30-Inch) Telescope Data

OPTICAL Primary Mirror diameter: 76.7 cm (30.2 in) focal length: 2.29 m (90 in) f-ratio: 3.0 Prime Focus Corrector System focal length: 22.72 m f-ratio: 2.98 field angle: 46.5 arc min (CCD width/height) plate scale: 1.3552 arc sec/CCD pixel MECHANICAL primary mirror weight: 118 kg (260 lbs) primary mirror thickness: 12.7 cm (5 in) primary mirror material: fused silica telescope tube diameter: 89.4 cm (35.2 in) telescope tube length: 2.29 m (90 in) dome diameter: 6.1 m (20 ft) HISTORICAL construction completed: 1970 telescope contractor: Boller and Chivens Division, the Perkin-Elmer Corporation dome: Ash-Domes

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	last modified: 21 May 1997 UT Astronomy RLM 15.308 University of Texas at Austin Austin, Texas 78712 comments to: www@www.as.utexas.edu