MOC narrow-angle image E18-01770

Defrosting north polar dunes in mid-spring


MOC narrow-angle image E18-01770
Map projection is north polar stereographic 		MOC red wide-angle context image E18-01771
MOC narrow-angle image E18-01770
Map projection is north polar stereographic 		MOC red wide-angle context image E18-01771
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Ancillary data for MOC narrow-angle image E18-01770

Acquisition parameters 
     Image ID (picno): E18-01770
     Image start time: 2002-07-30T23:09:24.01 SCET
         Image  width:    336      pixels
         Image height:   3712      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:     AA (hexadecimal)
          Offset mode:     22 (decimal)
Derived values 
Longitude of image center:    130.50°W
 Latitude of image center:     81.03°N
       Scaled pixel width:     10.11   meters
      Scaled image  width:      3.41   km
      Scaled image height:     31.65   km
     Solar longitude (Ls):     48.19°
    Local True Solar Time:     12.70   decimal hours
           Emission angle:     18.04°
          Incidence angle:     62.69°
              Phase angle:     78.46°
            North azimuth:    109.63°
              Sun azimuth:    300.94°
      Spacecraft altitude:    434.28   km
           Slant distance:    454.04   km

Policy regarding use of processed images

Release date: 4 April 2003