! titre      C/1998 P1 (Williams)                    
 ! date       25/09/98
 ! obstime      0.546999990940094     
 ! polar      G       
 ! freq          1667359030.00000     
 ! vit_debut    -8428.16113281250     
 ! delta_vit     140.469360351562     
 ! nb cycles     26.00000    
 ! ah depart            -5
 ! RA  offset   0.000000000000000E+000
 ! dec offset   0.000000000000000E+000
 ! RA            48788.1992187500     
 ! dec          -33.2408065795898     
  -8428.161     -0.1599344    
  -8287.691     -7.7791430E-02
  -8147.222     -6.1676323E-02
  -8006.753      2.3535240E-02
  -7866.284     -4.3432709E-02
  -7725.814     -0.1674192    
  -7585.345     -0.1707383    
  -7444.876      1.8342268E-02
  -7304.407     -2.6899396E-02
  -7163.938     -5.3731252E-02
  -7023.468     -0.1073714    
  -6882.999     -0.1393983    
  -6742.530      4.9669262E-02
  -6602.061     -9.7738706E-02
  -6461.591      0.2508140    
  -6321.122      0.1447141    
  -6180.653      0.1457703    
  -6040.184     -8.5800171E-02
  -5899.714      8.8873327E-02
  -5759.245     -3.8294092E-02
  -5618.776      0.1023393    
  -5478.307      0.1995052    
  -5337.837      7.9997182E-02
  -5197.368      0.1193800    
  -5056.899      8.4498614E-02
  -4916.430     -3.1136969E-02
  -4775.960      0.1064526    
  -4635.491     -7.8801587E-02
  -4495.022     -9.3562283E-02
  -4354.553      1.4311097E-02
  -4214.083      6.7303509E-02
  -4073.614     -0.1987010    
  -3933.145     -2.3044908E-02
  -3792.676      0.1152958    
  -3652.207      0.1146274    
  -3511.737     -3.2864626E-02
  -3371.268     -9.8315198E-03
  -3230.799      8.7978132E-03
  -3090.330      7.4825853E-02
  -2949.860     -8.0723856E-03
  -2809.391     -0.1974924    
  -2668.922     -5.0903998E-02
  -2528.453     -5.9760003E-03
  -2387.983      4.2077567E-02
  -2247.514     -6.9956228E-02
  -2107.045      6.6297404E-02
  -1966.576     -9.1844760E-02
  -1826.106      0.1182101    
  -1685.637     -3.4711786E-02
  -1545.167      1.1016928E-03
  -1404.698      3.2563511E-02
  -1264.229     -6.9232509E-02
  -1123.759      0.1417814    
  -983.2900     -0.1553642    
  -842.8207     -4.2553302E-03
  -702.3513     -0.2644360    
  -561.8820     -2.2895992E-02
  -421.4126     -0.2137665    
  -280.9432     -5.1654618E-02
  -140.4739      2.0490756E-02
 -4.5166016E-03 -9.2858233E-02
   140.4648     -0.1149274    
   280.9342     -7.1197204E-02
   421.4036      4.0051199E-02
   561.8729     -8.7076239E-02
   702.3423     -6.9298044E-02
   842.8116     -6.5999538E-02
   983.2810      1.4752432E-02
   1123.750      5.1920399E-02
   1264.220      3.7079398E-02
   1404.689     -1.2312946E-02
   1545.158      9.8986499E-02
   1685.628     -2.3896368E-02
   1826.097     -4.6314638E-02
   1966.567     -1.5188093E-02
   2107.036     -8.6585216E-02
   2247.505      4.9789701E-02
   2387.975      5.7167988E-02
   2528.444     -8.5508548E-02
   2668.913     -0.1209039    
   2809.382      6.7951664E-02
   2949.852     -7.6484665E-02
   3090.321     -7.1414821E-02
   3230.790     -4.3441851E-02
   3371.259      1.6146401E-02
   3511.729     -8.9370809E-02
   3652.198     -4.1317746E-02
   3792.667     -3.6872029E-02
   3933.136     -0.1691502    
   4073.605     -9.1332763E-02
   4214.075      0.1195965    
   4354.544     -2.5366489E-02
   4495.013     -1.5328502E-02
   4635.482     -0.1948071    
   4775.952     -0.1187813    
   4916.421     -4.9487147E-03
   5056.890     -2.1741856E-02
   5197.359     -5.9209693E-02
   5337.829      0.1226384    
   5478.298      6.1555752E-03
   5618.767      2.8099995E-02
   5759.236      3.2190967E-02
   5899.706      3.0982003E-02
   6040.175      1.1010757E-02
   6180.644      6.2873028E-02
   6321.113     -4.2992294E-02
   6461.583     -5.3984537E-03
   6602.052      9.1983341E-02
   6742.521     -1.1255814E-02
   6882.990     -0.2254651    
   7023.459      0.1684106    
   7163.929     -3.8845938E-02
   7304.398     -0.1652796    
   7444.867      7.8572193E-03
   7585.336      6.0484182E-02
   7725.806      9.1950692E-02
   7866.275      5.4404572E-02
   8006.744      2.5771076E-02
   8147.213      5.1212832E-02
   8287.683     -7.1014911E-02