NASA Photo ID: STS035-604-058      File Name: 10063951.jpg
  Film Type: 70mm                    Date Taken: 12/10/90
  Title: STS-35 ASTRO-1 telescopes documented in OV-102's payload bay (PLB)
  Description:
  STS-35 Astronomy Laboratory 1 (ASTRO-1) telescopes, in onorbit
  configuration,  are documented in the payload bay (PLB) of Columbia,
  Orbiter Vehicle (OV)  102, and backdropped against the blue and white
  surface of the Earth.  In the  center of the frame are three ultraviolet
  telescopes mounted and precisely  coaligned on a common structure, called
  the cruciform, that is attached to  the instrument pointing system (IPS). 
  Visible on the cruciform are the star  tracker (S TRK) (silver cone at far
  left), the Hopkins Ultraviolet Telescope  (HUT), and the Wisconsin
  Ultraviolet Photo-Polarimeter Experiment (WUPPE) (at  top right).  In the
  foreground and located at the head of the unpressurized  spacelab pallet
  (U-pallet) is the igloo, a pressurized cylindrical container  that houses
  subsystems that provide such services as power, telemetry and  commands to
  the instruments.           
  Subject terms:
  ASTRO MISSIONS (STS)                    
  COLUMBIA (ORBITER)                      
  EARTH SURFACE                           
  INSTRUMENT ORIENTATION                  
  PAYLOAD BAY                             
  POSITIONING                             
  SPACEBORNE ASTRONOMY                    
  STS-35                                  
  ULTRAVIOLET TELESCOPES                  
  

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