! titre      C/1998 P1 (Williams)                    
 ! date       03/10/98
 ! obstime      0.523899972438812     
 ! polar      D       
 ! freq          1667359030.00000     
 ! vit_debut    -8428.16113281250     
 ! delta_vit     140.469360351562     
 ! nb cycles     42.00000    
 ! ah depart            -9
 ! RA  offset   0.000000000000000E+000
 ! dec offset   0.000000000000000E+000
 ! RA            48679.9023437500     
 ! dec          -30.8470001220703     
  -8428.161     -5.9133731E-02
  -8287.691     -0.1322375    
  -8147.222      3.4840658E-02
  -8006.753      9.2003189E-02
  -7866.284      0.1582260    
  -7725.814     -3.1603840E-03
  -7585.345     -6.8751581E-02
  -7444.876      1.1525532E-02
  -7304.407      8.0102436E-02
  -7163.938     -3.8757987E-02
  -7023.468      5.9196502E-02
  -6882.999     -3.7914872E-02
  -6742.530     -6.0597960E-02
  -6602.061     -0.1342464    
  -6461.591      4.3444466E-02
  -6321.122      0.1080046    
  -6180.653     -8.1177600E-02
  -6040.184     -3.2634843E-02
  -5899.714      4.9162745E-02
  -5759.245      0.1741422    
  -5618.776     -0.1057210    
  -5478.307     -5.4203685E-02
  -5337.837      8.0095090E-02
  -5197.368      7.9258248E-02
  -5056.899     -0.1644814    
  -4916.430     -8.2534179E-02
  -4775.960     -3.0316855E-03
  -4635.491      1.9049279E-02
  -4495.022      1.7561551E-02
  -4354.553     -7.8940906E-02
  -4214.083     -1.4627110E-03
  -4073.614     -0.1507081    
  -3933.145      5.1615898E-02
  -3792.676      1.8469486E-02
  -3652.207     -5.9465267E-02
  -3511.737      9.7680271E-02
  -3371.268     -2.6723830E-02
  -3230.799     -0.1391762    
  -3090.330     -2.4359839E-02
  -2949.860      4.5578294E-03
  -2809.391      4.1923761E-02
  -2668.922      4.0718378E-03
  -2528.453      2.3440037E-02
  -2387.983      7.2083145E-02
  -2247.514     -3.3783578E-04
  -2107.045     -9.4234340E-02
  -1966.576      4.9030418E-03
  -1826.106     -0.1286160    
  -1685.637      3.4935448E-02
  -1545.167      1.8603826E-02
  -1404.698      0.1489531    
  -1264.229      1.1192095E-02
  -1123.759     -0.1044050    
  -983.2900      5.3118141E-03
  -842.8207     -8.9260094E-02
  -702.3513     -2.6490958E-02
  -561.8820     -0.1647247    
  -421.4126     -6.3799709E-02
  -280.9432      6.2439099E-02
  -140.4739     -9.5938586E-02
 -4.5166016E-03 -3.5293379E-03
   140.4648     -0.1205465    
   280.9342      4.8368670E-02
   421.4036      2.7897196E-02
   561.8729     -3.5069268E-02
   702.3423      2.8264272E-04
   842.8116     -8.1447251E-02
   983.2810     -7.8552410E-02
   1123.750     -6.5293953E-02
   1264.220     -2.4507878E-02
   1404.689     -7.0124343E-02
   1545.158      4.1028991E-02
   1685.628      5.8963969E-02
   1826.097      0.1046137    
   1966.567      6.9996119E-02
   2107.036      0.2056488    
   2247.505      0.1190253    
   2387.975      5.6750875E-02
   2528.444      0.1153333    
   2668.913      0.1043110    
   2809.382     -8.0592766E-02
   2949.852      0.1300440    
   3090.321     -3.3679746E-02
   3230.790      5.8723139E-03
   3371.259     -8.7019041E-02
   3511.729     -9.5776152E-03
   3652.198     -4.4932377E-02
   3792.667     -3.6610276E-02
   3933.136     -6.1503537E-02
   4073.605      0.1952531    
   4214.075      7.9563670E-03
   4354.544      0.1648216    
   4495.013     -3.4192943E-03
   4635.482     -5.1112077E-03
   4775.952      2.3163829E-02
   4916.421      2.1376872E-02
   5056.890      2.5658365E-02
   5197.359     -0.1073771    
   5337.829     -7.0037926E-03
   5478.298     -9.7948477E-02
   5618.767     -0.1897004    
   5759.236      0.1507740    
   5899.706     -5.0647665E-02
   6040.175      6.7724913E-02
   6180.644     -1.4562532E-03
   6321.113      7.2153680E-02
   6461.583      6.4784467E-02
   6602.052     -8.1578068E-02
   6742.521      0.1852100    
   6882.990      3.1548638E-02
   7023.459     -1.8793278E-03
   7163.929      4.7550272E-02
   7304.398      6.0665056E-02
   7444.867      1.2518992E-02
   7585.336     -3.9908532E-02
   7725.806      4.1034330E-02
   7866.275     -3.9107990E-02
   8006.744     -9.4297871E-02
   8147.213     -9.9590890E-02
   8287.683     -7.8178748E-02