MOC narrow-angle image E18-01089

Defrosting dark material at south end of Chasma Boreale


MOC narrow-angle image E18-01089
Map projection is north polar stereographic 		MOC red wide-angle context image E18-01090
MOC narrow-angle image E18-01089
Map projection is north polar stereographic 		MOC red wide-angle context image E18-01090
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Ancillary data for MOC narrow-angle image E18-01089

Acquisition parameters 
     Image ID (picno): E18-01089
     Image start time: 2002-07-19T02:46:41.15 SCET
         Image  width:    336      pixels
         Image height:   2432      pixels
Line integration time:      0.4821 millisec
   Pixel aspect ratio:      0.84
   Crosstrack summing:      6
    Downtrack summing:      6
     Compression type: MOC-PRED-X-5
            Gain mode:     6A (hexadecimal)
          Offset mode:     22 (decimal)
Derived values 
Longitude of image center:     78.25°W
 Latitude of image center:     81.84°N
       Scaled pixel width:     10.11   meters
      Scaled image  width:      3.41   km
      Scaled image height:     20.79   km
     Solar longitude (Ls):     42.91°
    Local True Solar Time:      3.35   decimal hours
           Emission angle:     18.21°
          Incidence angle:     78.45°
              Phase angle:     94.69°
            North azimuth:    248.44°
              Sun azimuth:    297.19°
      Spacecraft altitude:    433.69   km
           Slant distance:    453.80   km

Policy regarding use of processed images

Release date: 4 April 2003