McDonald Observatory 2.7m Telescope
===================================

Telescope Name: 2.7m Telescope

Observatory Name: McDonald Observatory

Aperture
(m): 2.72

Latitude:   30.671583 /* +30 40 17.7 */

Longitude: -104.021561 /*
-104 01 17.62 E */

Elevation (m): 2075

Telescope Logical Id:
urn:nasa:pds:context:telescope:mcdonald.harlanjsmith_2m7

Notes: Instrument Host
Overview
========================
McDonald Observatory Harlan J. Smith 2.7m
(107in) 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.  Telescopes
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
=====================
Harlan
J. Smith optical telescope

  Primary Mirror
        Diameter:  2.72m  (107
in)
    Focal Length: 10.68m  ( 35 ft)
         f-ratio:  3.93

The
telescope has three focal points:

            Cassegrain f/8.8      
Cassegrain          Coude
            Ritchey-Chretien         f/17.7          
f/32.5

Focal Length    23.91m/78.4ft      47.98m/157.4ft   
88.43m/290.1ft
f-ratio          8.8               17.65            
32.54
Field Angle     61.5 arcmin        31 arcmin          3 arcmin
Plate
Scale      8.62 arcsec/mm     4.29 arcsec/mm    2.32 arcsec/mm