MOC narrow-angle image R20-01081

Ridge in west Hellas Planitia


MOC narrow-angle image R20-01081
Map projection is sinusoidal, using 307.70 degrees W as prime meridian 		MOC red wide-angle context image R20-01082
MOC narrow-angle image R20-01081
Map projection is sinusoidal, using 307.70 degrees W as prime meridian 		MOC red wide-angle context image R20-01082
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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 R20-01081

Acquisition parameters 
     Image ID (picno): R20-01081
     Image start time: 2004-08-20T15:21:39.49 SCET
         Image  width:   1024      pixels
         Image height:   3968      pixels
Line integration time:      0.7231 millisec
   Pixel aspect ratio:      1.53
   Crosstrack summing:      2
    Downtrack summing:      2
     Compression type: MOC-PRED-X-5
            Gain mode:     2A (hexadecimal)
          Offset mode:     16 (decimal)
Derived values 
Longitude of image center:    307.70°W
 Latitude of image center:     44.96°S
       Scaled pixel width:      2.90   meters
      Scaled image  width:      2.98   km
      Scaled image height:     17.63   km
     Solar longitude (Ls):     76.55°
    Local True Solar Time:     14.68   decimal hours
           Emission angle:     17.95°
          Incidence angle:     78.54°
              Phase angle:     63.72°
            North azimuth:     94.19°
              Sun azimuth:     57.27°
      Spacecraft altitude:    371.14   km
           Slant distance:    388.12   km

Policy regarding use of processed images

Release date: 6 April 2005