MOC narrow-angle image E15-01370

Twilight view of north polar residual cap surfaces in early spring


MOC narrow-angle image E15-01370
Map projection is north polar stereographic
MOC narrow-angle image E15-01370
Map projection is north polar stereographic
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Ancillary data for MOC narrow-angle image E15-01370

Acquisition parameters
     Image ID (picno): E15-01370
     Image start time: 2002-04-25T06:12:44.38 SCET
         Image  width:    256      pixels
         Image height:   3200      pixels
Line integration time:      0.7231 millisec
   Pixel aspect ratio:      1.25
   Crosstrack summing:      8
    Downtrack summing:      8
     Compression type: MOC-PRED-X-5
            Gain mode:     0A (hexadecimal)
          Offset mode:      4 (decimal)
Derived values
Longitude of image center:    209.63°W
 Latitude of image center:     85.34°N
       Scaled pixel width:     13.58   meters
      Scaled image  width:      3.49   km
      Scaled image height:     54.56   km
     Solar longitude (Ls):      3.24°
    Local True Solar Time:      4.02   decimal hours
           Emission angle:     18.22°
          Incidence angle:     90.92°
              Phase angle:    107.84°
            North azimuth:    230.73°
              Sun azimuth:    291.21°
      Spacecraft altitude:    437.18   km
           Slant distance:    457.46   km

Policy regarding use of processed images

Release date: 4 April 2003