| INSTRUMENT_HOST_DESC |
Instrument Host Overview
========================
McDonald Observatory Otto Struve 2.1m (82in) Telescope
The information included here was extracted from the McDonald
Observatory web site at:
http://mcdonaldobservatory.org/
on 24 April 2002 by A.C.Raugh.
Observatory Information
=======================
McDonald Observatory is administered by the University of Texas
at Austin. Telecsopes are located on Mt. Locke in the Davis
Mountains of West Texas.
East longitude: -104 01.3
Latitude: +30 40.3
Elevation: 2075 meters above sea level
Telescope Information
=====================
Otto Struve optical telescope
Primary Mirror
Diameter: 2.08m (82 in)
Focal Length: 8.13m (26.7 ft)
f-ratio: 3.90
Field Angle: 63.5 arcmin
Plate Scale: 25.4 arcsec/mm
The telescope has two focal points:
Cassegrain Coude
f/13.7 f/22.9
Focal Length 28.53m/96.6ft 47.70m/156.5ft
f-ratio 13.65 22.9
Field Angle 20 arcmin ----
Plate Scale 7.25 arcsec/mm 4.3 arcsec/mm
The Coude focus is not presently in use.
GROUP = OBSERVATORY_PARAMETERS
OBSERVATORY_ID = 'OBS445'
NAME = 'MCDONALD OBSERVATORY'
COUNTRY = 'USA'
ADDRESS = 'University of Texas;
P.O. Box 1337;
Fort Davis, Texas'
END_GROUP = OBSERVATORY_PARAMETERS
GROUP = TELESCOPE_PARAMETERS
TELESCOPE_ID = 'T2'
NAME = '2.1-M STRUVE WARNER & SWASEY
REFLECTOR'
APERTURE = 2.1
LONGITUDE = -104.022255 /* -104 01 20.12 E */
LATITUDE = 30.671583 /* +30 40 17.7 */
ALTITUDE = 2069
COORDINATE_TYPE = 'Unknown'
END_GROUP = TELESCOPE_PARAMETERS
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