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<HEAD>

    <TITLE>JHU/APL Auroral Oval Boundary</TITLE>

    <META NAME="Copyright" CONTENT="Copyright 2000 Johns Hopkins University Applied Physics Laboratory"/>

    <META NAME="Date" CONTENT="21 February 2000"/>

    <META NAME="Author" CONTENT="J. P. Skura"/>


  

  

    

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<BODY BGCOLOR="#FFFFFF">



<H2>Current OVATION Boundary Information</H2><BR>
<PRE>
03 May 1997 18:13:35 yearsecs  10606415
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -60.78  155.12  -46.33   94.18
    1.00  -61.41  170.12  -46.13  105.42
    2.00  -62.05  185.12  -46.39  116.35
    3.00  -62.68  200.12  -47.22  126.96
    4.00  -61.95  215.12  -47.37  137.62
    5.00  -63.08  230.12  -49.84  147.99
    6.00  -63.91  245.12  -52.43  158.32
    7.00  -64.28  260.12  -54.93  168.93
    8.00  -64.87  275.12  -57.98  179.46
    9.00  -64.39  290.12  -60.46  191.33
   10.00  -63.82  305.12  -63.32  204.10
   11.00  -63.55  320.12  -66.78  217.93
   12.00  -63.58  335.12  -70.56  233.97
   13.00  -63.85  350.12  -74.20  254.27
   14.00  -64.34    5.12  -77.05  281.89
   15.00  -65.07   20.12  -77.89  316.53
   16.00  -66.01   35.12  -76.40  348.77
   17.00  -67.18   50.12  -73.80   13.44
   18.00  -67.18   65.12  -69.65   29.65
   19.00  -66.53   80.12  -65.02   41.92
   20.00  -65.04   95.12  -59.85   52.05
   21.00  -63.93  110.12  -55.51   62.71
   22.00  -62.51  125.12  -51.40   72.94
   23.00  -61.34  140.12  -48.22   83.37
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.37  155.12  -56.10   99.07
    1.00  -71.19  170.12  -56.01  108.61
    2.00  -72.12  185.12  -56.49  117.78
    3.00  -72.93  200.12  -57.37  126.47
    4.00  -75.23  215.12  -60.21  134.24
    5.00  -76.32  230.12  -62.25  141.46
    6.00  -75.99  245.12  -63.35  149.42
    7.00  -75.22  260.12  -64.52  158.16
    8.00  -75.83  275.12  -67.24  164.99
    9.00  -75.49  290.12  -69.58  173.29
   10.00  -74.92  305.12  -72.18  182.50
   11.00  -75.17  320.12  -75.65  189.66
   12.00  -75.11  335.12  -79.19  198.14
   13.00  -75.15  350.12  -82.98  207.26
   14.00  -75.21    5.12  -86.93  220.70
   15.00  -74.79   20.12  -88.42  352.93
   16.00  -74.71   35.12  -84.42   31.24
   17.00  -73.41   50.12  -79.46   36.41
   18.00  -73.26   65.12  -75.21   47.48
   19.00  -73.87   80.12  -71.80   59.32
   20.00  -73.34   95.12  -67.90   66.98
   21.00  -71.65  110.12  -63.28   72.95
   22.00  -71.30  125.12  -60.39   81.65
   23.00  -70.17  140.12  -57.31   89.69
</PRE>


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