MOC narrow-angle image M18-01811

Trough in NW Elysium Planitia 'giant polygon' terrain


MOC narrow-angle image M18-01811
Map projection is sinusoidal, using 256.69 degrees W as prime meridian 		MOC red wide-angle context image M18-01812
MOC narrow-angle image M18-01811
Map projection is sinusoidal, using 256.69 degrees W as prime meridian 		MOC red wide-angle context image M18-01812
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Ancillary data for MOC narrow-angle image M18-01811

Acquisition parameters 
     Image ID (picno): M18-01811
     Image start time: 2000-08-29T14:53:53.37 SCET
         Image  width:    640      pixels
         Image height:   3072      pixels
Line integration time:      0.7231 millisec
   Pixel aspect ratio:      1.44
   Crosstrack summing:      3
    Downtrack summing:      3
     Compression type: MOC-DCT-3
            Gain mode:     8A (hexadecimal)
          Offset mode:     28 (decimal)
Derived values 
Longitude of image center:    256.69°W
 Latitude of image center:     40.09°N
       Scaled pixel width:      4.62   meters
      Scaled image  width:      2.96   km
      Scaled image height:     20.43   km
     Solar longitude (Ls):     42.23°
    Local True Solar Time:     13.67   decimal hours
           Emission angle:      0.19°
          Incidence angle:     32.04°
              Phase angle:     31.95°
            North azimuth:     93.91°
              Sun azimuth:    324.13°
      Spacecraft altitude:    411.93   km
           Slant distance:    411.93   km

Policy regarding use of processed images

Release date: 4 April 2001