MOC narrow-angle image M23-00231

Apparent ridge in shallow valley in central Acidalia Planitia


MOC narrow-angle image M23-00231
Map projection is sinusoidal, using 38.50 degrees W as prime meridian 		MOC red wide-angle context image M23-00232
MOC narrow-angle image M23-00231
Map projection is sinusoidal, using 38.50 degrees W as prime meridian 		MOC red wide-angle context image M23-00232
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Ancillary data for MOC narrow-angle image M23-00231

Acquisition parameters 
     Image ID (picno): M23-00231
     Image start time: 2001-01-04T10:27:07.31 SCET
         Image  width:    640      pixels
         Image height:   4992      pixels
Line integration time:      0.6026 millisec
   Pixel aspect ratio:      1.22
   Crosstrack summing:      3
    Downtrack summing:      3
     Compression type: MOC-DCT-3
            Gain mode:     6A (hexadecimal)
          Offset mode:     28 (decimal)
Derived values 
Longitude of image center:     38.50°W
 Latitude of image center:     36.84°N
       Scaled pixel width:      4.61   meters
      Scaled image  width:      2.95   km
      Scaled image height:     28.08   km
     Solar longitude (Ls):     98.47°
    Local True Solar Time:     14.17   decimal hours
           Emission angle:      0.31°
          Incidence angle:     30.24°
              Phase angle:     30.25°
            North azimuth:     93.80°
              Sun azimuth:    349.89°
      Spacecraft altitude:    410.90   km
           Slant distance:    410.90   km

Policy regarding use of processed images

Release date: 8 October 2001