MOC narrow-angle image R20-00142

Walls and floor of extra-wide trough in Sirenum Fossae region


MOC narrow-angle image R20-00142
Map projection is sinusoidal, using 139.83 degrees W as prime meridian 		MOC red wide-angle context image R20-00143
MOC narrow-angle image R20-00142
Map projection is sinusoidal, using 139.83 degrees W as prime meridian 		MOC red wide-angle context image R20-00143
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Ancillary data for MOC narrow-angle image R20-00142

Acquisition parameters 
     Image ID (picno): R20-00142
     Image start time: 2004-08-03T17:12:24.96 SCET
         Image  width:    512      pixels
         Image height:   6144      pixels
Line integration time:      0.4821 millisec
   Pixel aspect ratio:      1.01
   Crosstrack summing:      4
    Downtrack summing:      4
     Compression type: MOC-DCT-3
            Gain mode:     8A (hexadecimal)
          Offset mode:      6 (decimal)
Derived values 
Longitude of image center:    139.83°W
 Latitude of image center:     26.01°S
       Scaled pixel width:      5.89   meters
      Scaled image  width:      3.02   km
      Scaled image height:     36.52   km
     Solar longitude (Ls):     69.16°
    Local True Solar Time:     14.53   decimal hours
           Emission angle:     18.00°
          Incidence angle:     61.63°
              Phase angle:     47.95°
            North azimuth:     93.29°
              Sun azimuth:     53.35°
      Spacecraft altitude:    375.54   km
           Slant distance:    392.81   km

Policy regarding use of processed images

Release date: 6 April 2005