! titre      C/1998 P1 (Williams)                    
 ! date       20/09/98
 ! obstime      0.561699986457825     
 ! polar      D       
 ! freq          1667359030.00000     
 ! vit_debut    -8428.16113281250     
 ! delta_vit     140.469360351562     
 ! nb cycles     32.00000    
 ! ah depart             3
 ! RA  offset   0.000000000000000E+000
 ! dec offset   0.000000000000000E+000
 ! RA            48879.5976562500     
 ! dec          -34.9607505798340     
  -8428.161      7.4465714E-02
  -8287.691      6.1721988E-02
  -8147.222      4.6734467E-02
  -8006.753     -7.4219190E-02
  -7866.284      0.1310162    
  -7725.814     -7.1405925E-02
  -7585.345     -5.9128240E-02
  -7444.876     -7.4842516E-03
  -7304.407     -5.4795101E-02
  -7163.938      5.7253070E-02
  -7023.468      0.2185047    
  -6882.999      0.1348331    
  -6742.530      0.2255714    
  -6602.061      7.1319714E-03
  -6461.591     -5.0284006E-02
  -6321.122     -0.1138469    
  -6180.653      1.1088498E-02
  -6040.184     -0.1276163    
  -5899.714     -0.1848965    
  -5759.245      2.5869096E-02
  -5618.776     -0.1759314    
  -5478.307     -6.9618426E-02
  -5337.837      3.5665993E-02
  -5197.368      7.4966326E-02
  -5056.899      0.1015509    
  -4916.430      2.3058273E-02
  -4775.960     -4.1359734E-02
  -4635.491     -2.6889835E-02
  -4495.022     -0.1044934    
  -4354.553     -7.4625053E-02
  -4214.083     -7.0161082E-02
  -4073.614     -3.3371557E-02
  -3933.145      1.6905021E-02
  -3792.676      3.0943856E-02
  -3652.207     -0.1034488    
  -3511.737     -7.4194394E-02
  -3371.268     -7.1652159E-02
  -3230.799      3.9379418E-02
  -3090.330     -2.3896514E-02
  -2949.860      1.6196385E-02
  -2809.391     -4.1795161E-02
  -2668.922      3.0750891E-02
  -2528.453     -3.7159309E-02
  -2387.983      0.1475497    
  -2247.514      4.2336360E-02
  -2107.045     -5.6295019E-02
  -1966.576      1.8047255E-02
  -1826.106      7.8338347E-02
  -1685.637     -4.0628381E-02
  -1545.167     -2.0814063E-02
  -1404.698      9.3114935E-02
  -1264.229      1.6642887E-02
  -1123.759     -5.4936953E-02
  -983.2900     -0.1106692    
  -842.8207     -6.8661012E-02
  -702.3513      2.0544859E-02
  -561.8820      4.4891652E-02
  -421.4126      0.1247451    
  -280.9432     -5.4937512E-02
  -140.4739     -1.4070209E-02
 -4.5166016E-03 -6.9243953E-02
   140.4648     -0.1521377    
   280.9342      4.0709324E-02
   421.4036      0.1437547    
   561.8729      3.2001551E-02
   702.3423     -7.3552869E-02
   842.8116      0.1948094    
   983.2810      0.1579572    
   1123.750     -5.9144486E-02
   1264.220     -9.9986412E-02
   1404.689      0.2100586    
   1545.158      0.1586685    
   1685.628     -6.4880833E-02
   1826.097      1.4498959E-02
   1966.567      3.9903894E-03
   2107.036      5.5503409E-02
   2247.505     -5.3676948E-02
   2387.975     -0.1946062    
   2528.444      0.1618752    
   2668.913      6.4153639E-03
   2809.382     -5.0168205E-02
   2949.852     -7.0874272E-03
   3090.321      5.6394678E-02
   3230.790     -8.8978775E-02
   3371.259     -0.2114097    
   3511.729      7.5750820E-02
   3652.198      2.2212148E-02
   3792.667      3.4888469E-02
   3933.136      0.3412251    
   4073.605     -0.2467272    
   4214.075     -0.1254793    
   4354.544      0.1153313    
   4495.013     -0.1091851    
   4635.482      9.2401162E-02
   4775.952      0.1818898    
   4916.421     -0.1190111    
   5056.890     -6.3900672E-02
   5197.359      6.3541353E-02
   5337.829      5.3730194E-02
   5478.298     -0.1511460    
   5618.767      3.8832501E-02
   5759.236     -6.6005222E-02
   5899.706     -8.4498778E-02
   6040.175     -3.8951509E-02
   6180.644      9.2526883E-02
   6321.113     -1.1599779E-02
   6461.583      3.2937057E-02
   6602.052     -2.3706520E-02
   6742.521      0.1827742    
   6882.990      1.6147660E-02
   7023.459     -6.9462447E-03
   7163.929      4.6346221E-02
   7304.398     -0.1068018    
   7444.867     -1.1497210E-02
   7585.336     -0.1510966    
   7725.806     -4.1045379E-03
   7866.275     -8.9502841E-02
   8006.744      0.1720817    
   8147.213      0.1261944    
   8287.683     -9.5152214E-02