! titre      C/1998 P1 (Williams)                    
 ! date       01/10/98
 ! obstime      0.529600024223328     
 ! polar      G       
 ! freq          1667359030.00000     
 ! vit_debut    -8428.16113281250     
 ! delta_vit     140.469360351562     
 ! nb cycles     40.00000    
 ! ah depart            -7
 ! RA  offset   0.000000000000000E+000
 ! dec offset   0.000000000000000E+000
 ! RA            48703.6992187500     
 ! dec          -31.4112491607666     
  -8428.161     -6.9025919E-02
  -8287.691      8.8941865E-02
  -8147.222      0.1404716    
  -8006.753      6.6262439E-02
  -7866.284     -8.2951747E-02
  -7725.814     -4.5302439E-02
  -7585.345      4.4189114E-02
  -7444.876      1.2615234E-02
  -7304.407     -1.4031586E-02
  -7163.938     -6.9500968E-02
  -7023.468     -7.8724183E-02
  -6882.999     -9.2348285E-02
  -6742.530     -2.3000553E-02
  -6602.061      8.3040316E-03
  -6461.591      0.1239924    
  -6321.122      3.8968965E-02
  -6180.653      2.6211265E-02
  -6040.184     -4.2719640E-02
  -5899.714     -2.5599537E-02
  -5759.245     -2.1162038E-03
  -5618.776     -7.9599442E-03
  -5478.307     -9.6989602E-02
  -5337.837      1.0874496E-02
  -5197.368      0.1162213    
  -5056.899     -5.6693371E-02
  -4916.430     -1.3823004E-02
  -4775.960      2.4758747E-02
  -4635.491      8.5892260E-02
  -4495.022     -0.1278529    
  -4354.553     -7.4628897E-02
  -4214.083      5.0112806E-02
  -4073.614     -9.8728769E-02
  -3933.145      1.3828242E-02
  -3792.676      0.1422871    
  -3652.207     -1.4646208E-02
  -3511.737      5.0673507E-02
  -3371.268      4.1962287E-04
  -3230.799      0.1397611    
  -3090.330     -0.1001325    
  -2949.860      1.5577855E-02
  -2809.391      2.2113681E-02
  -2668.922      9.6968949E-02
  -2528.453     -0.1069975    
  -2387.983      0.1106202    
  -2247.514     -1.7440734E-02
  -2107.045     -0.1028232    
  -1966.576      2.0620422E-02
  -1826.106      0.1350561    
  -1685.637      0.1408432    
  -1545.167      2.5634298E-02
  -1404.698      6.0958294E-03
  -1264.229      8.7301746E-02
  -1123.759     -2.5389278E-02
  -983.2900      2.2248771E-02
  -842.8207      6.7289785E-02
  -702.3513      4.7550008E-02
  -561.8820     -2.6303375E-02
  -421.4126     -2.6581809E-02
  -280.9432     -6.1480358E-02
  -140.4739      7.1529336E-02
 -4.5166016E-03  1.2991348E-02
   140.4648     -5.4204105E-03
   280.9342     -9.0393268E-02
   421.4036      0.1038742    
   561.8729     -2.9999381E-02
   702.3423     -8.7918997E-02
   842.8116      6.5311408E-03
   983.2810     -1.8036136E-02
   1123.750     -8.1905007E-02
   1264.220     -0.1025891    
   1404.689     -8.8119268E-02
   1545.158      8.8860154E-02
   1685.628      1.8683622E-02
   1826.097      3.5018638E-02
   1966.567      9.3688317E-02
   2107.036      4.3832947E-02
   2247.505      0.1414925    
   2387.975      7.0000134E-02
   2528.444     -1.0046240E-02
   2668.913     -5.0267715E-02
   2809.382     -2.0997502E-02
   2949.852     -1.9008916E-02
   3090.321     -3.2123554E-02
   3230.790     -1.7638275E-02
   3371.259     -0.1316239    
   3511.729      1.3430625E-03
   3652.198      6.4493217E-02
   3792.667     -8.4412340E-03
   3933.136      1.2354522E-02
   4073.605      7.7392362E-02
   4214.075      6.8279371E-02
   4354.544      2.7594483E-02
   4495.013      0.1806901    
   4635.482     -3.8369786E-02
   4775.952     -1.4616190E-02
   4916.421      9.4776377E-03
   5056.890     -5.1476549E-02
   5197.359     -0.1073850    
   5337.829     -7.1192840E-03
   5478.298      6.3232861E-02
   5618.767      0.1231587    
   5759.236      5.5949460E-03
   5899.706      5.2934270E-02
   6040.175      1.1905520E-02
   6180.644     -6.3134223E-02
   6321.113     -1.1557078E-02
   6461.583      1.3960573E-02
   6602.052      6.7603849E-02
   6742.521     -9.8106213E-02
   6882.990     -2.7769545E-02
   7023.459     -7.8981549E-02
   7163.929     -3.9355546E-02
   7304.398      3.7797283E-02
   7444.867     -4.9010448E-02
   7585.336     -5.1721212E-02
   7725.806      8.0154963E-02
   7866.275      5.2930348E-02
   8006.744     -2.0468816E-02
   8147.213      4.7185257E-02
   8287.683     -4.8610069E-02