MOC narrow-angle image E21-01421

Polygon trough with small bright bedforms in Acidalia Planitia


MOC narrow-angle image E21-01421 MOC red wide-angle context image E21-01422
MOC narrow-angle image E21-01421 MOC red wide-angle context image E21-01422
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Ancillary data for MOC narrow-angle image E21-01421

Acquisition parameters 
     Image ID (picno): E21-01421
     Image start time: 2002-10-27T01:40:56.24 SCET
         Image  width:   1024      pixels
         Image height:   3584      pixels
Line integration time:      0.4821 millisec
   Pixel aspect ratio:      0.79
   Crosstrack summing:      2
    Downtrack summing:      2
     Compression type: MOC-DCT-3
            Gain mode:     2A (hexadecimal)
          Offset mode:     32 (decimal)
Derived values 
Longitude of image center:     27.02°W
 Latitude of image center:     39.09°N
       Scaled pixel width:      4.12   meters
      Scaled image  width:      4.22   km
      Scaled image height:     11.74   km
     Solar longitude (Ls):     86.80°
    Local True Solar Time:     13.88   decimal hours
           Emission angle:     31.01°
          Incidence angle:     27.58°
              Phase angle:     58.03°
            North azimuth:     97.02°
              Sun azimuth:    345.16°
      Spacecraft altitude:    411.94   km
           Slant distance:    471.61   km

Policy regarding use of processed images

Release date: 30 September 2003