MOC narrow-angle image R20-00556

North polar dunes


MOC narrow-angle image R20-00556 MOC red wide-angle context image R20-00557
MOC narrow-angle image R20-00556 MOC red wide-angle context image R20-00557
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View full-size image, processed but NOT map-projected
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(lossless GIF, best quality, slow download)
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Ancillary data for MOC narrow-angle image R20-00556

Acquisition parameters 
     Image ID (picno): R20-00556
     Image start time: 2004-08-11T02:25:24.25 SCET
         Image  width:   1024      pixels
         Image height:  11008      pixels
Line integration time:      0.7231 millisec
   Pixel aspect ratio:      1.24
   Crosstrack summing:      2
    Downtrack summing:      2
     Compression type: MOC-PRED-X-5
            Gain mode:     6A (hexadecimal)
          Offset mode:     38 (decimal)
Derived values 
Longitude of image center:    224.63°W
 Latitude of image center:     79.88°N
       Scaled pixel width:      3.41   meters
      Scaled image  width:      3.51   km
      Scaled image height:     46.84   km
     Solar longitude (Ls):     72.39°
    Local True Solar Time:     13.37   decimal hours
           Emission angle:     18.17°
          Incidence angle:     56.66°
              Phase angle:     71.30°
            North azimuth:    106.46°
              Sun azimuth:    309.25°
      Spacecraft altitude:    438.48   km
           Slant distance:    458.70   km

Policy regarding use of processed images

Release date: 6 April 2005