! titre      C/1998 P1 (Williams)                    
 ! date       03/10/98
 ! obstime      0.523899972438812     
 ! polar      G       
 ! freq          1667359030.00000     
 ! vit_debut    -8428.16113281250     
 ! delta_vit     140.469360351562     
 ! nb cycles     40.00000    
 ! ah depart            -9
 ! RA  offset   0.000000000000000E+000
 ! dec offset   0.000000000000000E+000
 ! RA            48679.9023437500     
 ! dec          -30.8470001220703     
  -8428.161     -1.5007854E-02
  -8287.691      6.0316548E-02
  -8147.222      6.5399915E-02
  -8006.753      3.8503975E-02
  -7866.284      1.6120104E-02
  -7725.814     -9.1522262E-02
  -7585.345     -6.9968492E-02
  -7444.876     -1.0652217E-02
  -7304.407     -8.8798469E-03
  -7163.938      6.8608642E-02
  -7023.468      0.1029250    
  -6882.999     -0.1090835    
  -6742.530      7.5354747E-02
  -6602.061     -7.5360581E-02
  -6461.591      3.3396088E-02
  -6321.122      5.0796643E-02
  -6180.653     -3.1349637E-02
  -6040.184      0.1215288    
  -5899.714     -2.8418684E-02
  -5759.245     -4.9982592E-02
  -5618.776      4.1459177E-02
  -5478.307     -1.6745953E-02
  -5337.837      2.5457583E-02
  -5197.368      1.8122038E-02
  -5056.899     -2.1975234E-02
  -4916.430     -5.0727438E-02
  -4775.960     -0.1605517    
  -4635.491      1.3450908E-02
  -4495.022      4.7006644E-02
  -4354.553     -6.7430720E-02
  -4214.083     -0.1058692    
  -4073.614     -5.7030376E-02
  -3933.145     -7.0392117E-02
  -3792.676     -2.2409350E-02
  -3652.207     -9.5208034E-02
  -3511.737      7.8437097E-02
  -3371.268      9.2951603E-02
  -3230.799     -4.2804509E-02
  -3090.330     -6.7097098E-02
  -2949.860     -2.8157579E-02
  -2809.391      4.3450784E-02
  -2668.922     -9.9694744E-02
  -2528.453      4.7842540E-02
  -2387.983      6.2251359E-02
  -2247.514      3.3848960E-02
  -2107.045     -6.4005114E-02
  -1966.576     -3.3336703E-02
  -1826.106     -4.7619231E-02
  -1685.637      3.3256669E-02
  -1545.167      8.5114101E-03
  -1404.698     -5.6030702E-02
  -1264.229     -1.9973448E-02
  -1123.759     -0.1458433    
  -983.2900      2.5279429E-02
  -842.8207     -2.0702368E-02
  -702.3513     -0.1243820    
  -561.8820      1.8609876E-02
  -421.4126     -6.6144623E-02
  -280.9432     -1.0068879E-02
  -140.4739      6.3281804E-02
 -4.5166016E-03  4.1916348E-02
   140.4648     -8.7378167E-02
   280.9342     -2.2766786E-02
   421.4036      0.1221615    
   561.8729     -0.1644617    
   702.3423     -8.9288019E-02
   842.8116      6.3674062E-02
   983.2810     -4.2332884E-02
   1123.750     -0.1321801    
   1264.220     -4.9775508E-03
   1404.689     -9.6840836E-02
   1545.158     -9.2155717E-02
   1685.628     -9.7307466E-02
   1826.097     -0.1405390    
   1966.567      4.2614979E-03
   2107.036      4.7019120E-02
   2247.505      7.2615589E-03
   2387.975      5.7461292E-02
   2528.444      1.6157618E-02
   2668.913     -6.2279198E-02
   2809.382      4.1042473E-02
   2949.852      6.3488305E-02
   3090.321     -3.5104837E-02
   3230.790     -7.8726180E-02
   3371.259     -9.2596911E-02
   3511.729     -8.7967500E-02
   3652.198      8.3711922E-02
   3792.667     -2.8789464E-02
   3933.136      8.5724652E-02
   4073.605      4.5354880E-02
   4214.075     -2.5221054E-02
   4354.544      5.7911865E-02
   4495.013     -4.0744048E-02
   4635.482     -0.1646784    
   4775.952     -2.5492547E-02
   4916.421      1.1296517E-02
   5056.890     -8.2681589E-02
   5197.359     -0.1537895    
   5337.829      0.1328703    
   5478.298      0.1071952    
   5618.767     -4.2364001E-03
   5759.236      9.9713176E-02
   5899.706      5.9211396E-02
   6040.175      0.1618659    
   6180.644      7.7390824E-03
   6321.113     -2.3329008E-02
   6461.583     -0.1193039    
   6602.052     -0.1149897    
   6742.521     -4.3578509E-02
   6882.990      8.8562863E-03
   7023.459      1.5825909E-02
   7163.929     -5.6530856E-02
   7304.398      9.0886995E-02
   7444.867      3.7920244E-02
   7585.336      7.0267282E-02
   7725.806     -8.6471602E-02
   7866.275     -6.9060074E-03
   8006.744      6.1360497E-02
   8147.213     -1.2256186E-02
   8287.683      2.6269499E-02