NASA Photo ID: STS035-35-007       File Name: 10063949.jpg
  Film Type: 35mm                    Date Taken: 12/10/90
  Title: STS-35 ASTRO-1 telescopes documented in OV-102's PLB with RCS firing
  Description:
  During the STS-35 mission, the Astronomy Laboratory 1 (ASTRO-1) payload, in 
  its onorbit operating configuration in the payload bay (PLB), is
  silhouetted  against the firing of a reaction control system (RCS) jet. In
  the center of  the frame, three ultraviolet telescopes are 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 Integrated  Radiator System (IRS) (silver box on left), the
  Optical Sensor Package (OSP)  (above IRS), the Ultraviolet Imaging
  Telescope (UIT), and the star tracker (S  TRK) (far right).  A right RCS
  jet is fired during this maneuver of Columbia,  Orbiter Vehicle (OV) 102.               
  
  Subject terms:
  ASTRO MISSIONS (STS)                    
  COLUMBIA (ORBITER)                      
  FIRING (IGNITING)                       
  INSTRUMENT ORIENTATION                  
  PAYLOAD BAY                             
  POSITIONING                             
  SPACEBORNE ASTRONOMY                    
  STS-35                                  
  THRUST CONTROL                          
  ULTRAVIOLET TELESCOPES                  
  

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