! titre      C/1998 P1 (Williams)                    
 ! date       30/09/98
 ! obstime      0.532500028610229     
 ! polar      G       
 ! freq          1667359030.00000     
 ! vit_debut    -8428.16113281250     
 ! delta_vit     140.469360351562     
 ! nb cycles     28.00000    
 ! ah depart            -4
 ! RA  offset   0.000000000000000E+000
 ! dec offset   0.000000000000000E+000
 ! RA            48716.3984375000     
 ! dec          -31.7011966705322     
  -8428.161      4.6992920E-02
  -8287.691     -1.5315223E-02
  -8147.222      7.3662087E-02
  -8006.753      3.1744432E-02
  -7866.284      4.1334726E-02
  -7725.814     -1.8837137E-02
  -7585.345      0.1319909    
  -7444.876     -0.1417703    
  -7304.407     -8.0574127E-03
  -7163.938      3.1733409E-02
  -7023.468     -6.3076302E-02
  -6882.999     -0.1302049    
  -6742.530     -5.1484816E-03
  -6602.061     -7.2195398E-04
  -6461.591      3.5975207E-02
  -6321.122     -0.2181985    
  -6180.653      6.9334306E-02
  -6040.184     -0.1023369    
  -5899.714      0.1910856    
  -5759.245      2.6337560E-02
  -5618.776      9.8188333E-02
  -5478.307      1.4618231E-02
  -5337.837     -7.5807394E-03
  -5197.368     -6.0562171E-02
  -5056.899     -2.2372529E-03
  -4916.430     -5.5662233E-02
  -4775.960     -2.8263707E-02
  -4635.491      0.1337074    
  -4495.022      1.1632671E-02
  -4354.553     -6.0681146E-02
  -4214.083      5.1696822E-03
  -4073.614      8.6078718E-02
  -3933.145     -1.3802417E-02
  -3792.676     -3.5152979E-02
  -3652.207     -6.2291633E-02
  -3511.737      5.5390727E-02
  -3371.268      6.7440001E-03
  -3230.799     -3.0277934E-02
  -3090.330     -9.3215378E-03
  -2949.860      0.1109259    
  -2809.391      6.4193100E-02
  -2668.922     -2.9918849E-02
  -2528.453      1.9106671E-02
  -2387.983     -4.3865941E-03
  -2247.514      1.4894365E-02
  -2107.045     -5.6379452E-02
  -1966.576      2.9011227E-02
  -1826.106     -0.1101895    
  -1685.637      6.2058464E-02
  -1545.167      8.5426860E-02
  -1404.698      2.2601267E-02
  -1264.229      3.4645967E-02
  -1123.759     -2.6222626E-02
  -983.2900     -0.1150493    
  -842.8207      0.1437122    
  -702.3513     -5.2732561E-02
  -561.8820     -2.3803396E-02
  -421.4126     -2.3648400E-02
  -280.9432     -0.1672114    
  -140.4739     -9.3189277E-02
 -4.5166016E-03 -8.6110078E-02
   140.4648     -4.1723672E-02
   280.9342     -0.1006909    
   421.4036      2.0628620E-02
   561.8729     -0.1076286    
   702.3423      2.0291634E-02
   842.8116      4.4976347E-03
   983.2810      0.1173158    
   1123.750     -2.7327571E-02
   1264.220      1.1437054E-03
   1404.689      1.3658015E-02
   1545.158     -0.1230273    
   1685.628     -6.6314295E-02
   1826.097      4.6745583E-02
   1966.567      5.3757168E-03
   2107.036     -1.3402876E-02
   2247.505     -1.0318912E-02
   2387.975     -0.2959001    
   2528.444      3.9545156E-02
   2668.913     -5.6634381E-02
   2809.382      0.1570833    
   2949.852     -9.2552312E-02
   3090.321      4.2374175E-02
   3230.790     -0.1881032    
   3371.259     -9.8916292E-02
   3511.729     -2.9292515E-02
   3652.198      0.1262319    
   3792.667     -4.1399777E-02
   3933.136     -8.4443338E-02
   4073.605      4.3840944E-03
   4214.075      0.2053866    
   4354.544     -2.0203853E-02
   4495.013      0.1294727    
   4635.482     -3.2090634E-02
   4775.952      2.5110701E-04
   4916.421      3.9860308E-02
   5056.890     -6.6873394E-02
   5197.359     -0.1194281    
   5337.829     -3.8658287E-02
   5478.298     -0.1252983    
   5618.767      0.1356053    
   5759.236      6.1449803E-02
   5899.706      0.1715019    
   6040.175     -3.4364853E-03
   6180.644     -5.8716577E-02
   6321.113     -6.4592853E-02
   6461.583      0.1407193    
   6602.052      0.1032063    
   6742.521      4.8631500E-02
   6882.990      1.7924005E-02
   7023.459      3.5140011E-02
   7163.929     -0.1497063    
   7304.398     -1.3334594E-02
   7444.867     -4.5502700E-02
   7585.336      1.0154457E-02
   7725.806     -2.6504740E-02
   7866.275     -5.3735785E-02
   8006.744     -3.6813714E-02
   8147.213      0.1043812    
   8287.683     -0.1160921