PDS_VERSION_ID      = PDS3                                                    
LABEL_REVISION_NOTE = "                                                       
  24 Apr 2004   A.C.Raugh   Creation                                          
  "                                                                           
                                                                              
OBJECT     = INSTRUMENT_HOST                                                  
  INSTRUMENT_HOST_ID = "CAO12M"                                               
                                                                              
  OBJECT     = INSTRUMENT_HOST_INFORMATION                                    
    INSTRUMENT_HOST_NAME = "CALAR ALTO OBSERVATORY 1.23M TELESCOPE"           
    INSTRUMENT_HOST_TYPE = "EARTH BASED"                                      
    INSTRUMENT_HOST_DESC = "                                                  
                                                                              
      Overview                                                                
      ========                                                                
      The Calar Alto Observatory and the German-Spanish                       
      Astronomical Center are located in the Sierra de                        
      Los Filabres in Andalucia, southern Spain.  The                         
      Max-Planck-Institute fur Aeronomie, Heidelberg,                         
      operates three telescopes at this facility.                             
                                                                              
      Additional information about the observatory and                        
      the telescopes and instruments available to                             
      observers may be found on the observatory home                          
      page at this URL:                                                       
                                                                              
        http://www.mpia-hd.mpg.de/Public/CAHA/                                
                                                                              
      The summary information provided here was obtained                      
      from the above site.                                                    
                                                                              
                                                                              
      Observatory Coordinates                                                 
      =======================                                                 
                                                                              
      Longitude: 2.54625 degrees West                                         
       Latitude: 37.2236 degrees North                                        
       Altitude: 2168 meters                                                  
                                                                              
      Telescope Overview                                                      
      ==================                                                      
      The 1.23 meter telescope at Calar Alto was commissioned in              
      July 1975.                                                              
                                                                              
      Telescope Parameters:                                                   
                                                                              
         Aperture            1230  mm                                         
         Scale               0.048 arcsec/mm                                  
         Hour Angle range    -15:06 to +14:50                                 
                                                                              
                           with corrector     without corrector               
                           --------------     -----------------               
         Focal length       9807.6 mm            9857.1 mm                    
         f/ratio            1/8                  1/8                          
         FOV                90.2 arcmin          90.0 arcmin                  
      "                                                                       
                                                                              
  END_OBJECT = INSTRUMENT_HOST_INFORMATION                                    
                                                                              
  OBJECT     = INSTRUMENT_HOST_REFERENCE_INFO                                 
    REFERENCE_KEY_ID = "N/A"                                                  
  END_OBJECT = INSTRUMENT_HOST_REFERENCE_INFO                                 
                                                                              
END_OBJECT = INSTRUMENT_HOST                                                  
                                                                              
END