MOC narrow-angle image S04-00997

Valley system in northwest Tharsis near 20.4 N 125.0 W


MOC narrow-angle image S04-00997 MOC red wide-angle context image S04-00998
MOC narrow-angle image S04-00997 MOC red wide-angle context image S04-00998
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Ancillary data for MOC narrow-angle image S04-00997

Acquisition parameters 
     Image ID (picno): S04-00997
     Image start time: 2005-03-21T20:00:32.20 SCET
         Image  width:    656      pixels
         Image height:  12672      pixels
Line integration time:      0.4821 millisec
   Pixel aspect ratio:      0.83
   Crosstrack summing:      3
    Downtrack summing:      3
     Compression type: MOC-PRED-X-5
            Gain mode:     8A (hexadecimal)
          Offset mode:     28 (decimal)
Derived values 
Longitude of image center:    125.23°W
 Latitude of image center:     20.83°N
       Scaled pixel width:      5.94   meters
      Scaled image  width:      3.89   km
      Scaled image height:     62.39   km
     Solar longitude (Ls):    179.46°
    Local True Solar Time:     15.09   decimal hours
           Emission angle:     30.53°
          Incidence angle:     49.80°
              Phase angle:     21.89°
            North azimuth:     91.60°
              Sun azimuth:    343.19°
      Spacecraft altitude:    398.40   km
           Slant distance:    454.37   km

Policy regarding use of processed images

Release date: 12 October 2005