MCDONALD OBSERVATORY 2.1-M STRUVE WARNER
        & SWASEY REFLECTOR
========================================

  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 <METERS>                           
          LONGITUDE                  = -104.022255 /* -104 01 20.12 E */      
          LATITUDE                   =   30.671583 /* +30 40 17.7 */          
          ALTITUDE                   = 2069 <METERS>                          
          COORDINATE_TYPE            = 'Unknown'                              
        END_GROUP                    = TELESCOPE_PARAMETERS