! titre      C/1998 P1 (Williams)                    
 ! date       29/09/98
 ! obstime      0.535399973392487     
 ! 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            48729.5000000000     
 ! dec          -31.9967231750488     
  -8428.161     -8.2047433E-02
  -8287.691      0.1163017    
  -8147.222     -4.2618871E-02
  -8006.753      4.1586023E-02
  -7866.284     -6.2238414E-02
  -7725.814     -2.2989342E-02
  -7585.345     -1.8766869E-02
  -7444.876     -2.6138403E-02
  -7304.407      5.5683371E-02
  -7163.938     -8.9255586E-02
  -7023.468      1.3717121E-03
  -6882.999      0.2054703    
  -6742.530     -3.2498591E-02
  -6602.061     -0.1476178    
  -6461.591     -5.0817125E-02
  -6321.122     -8.1676014E-02
  -6180.653     -7.9929577E-03
  -6040.184     -0.1161062    
  -5899.714      4.2261042E-02
  -5759.245      6.8039633E-02
  -5618.776      3.2698358E-03
  -5478.307     -0.1116124    
  -5337.837      0.1052907    
  -5197.368      7.4063517E-02
  -5056.899      0.1003396    
  -4916.430     -8.5673220E-02
  -4775.960     -6.6639357E-03
  -4635.491      5.8531031E-02
  -4495.022      2.1836285E-04
  -4354.553      8.4843643E-02
  -4214.083     -5.8495771E-02
  -4073.614     -3.2193766E-03
  -3933.145     -4.7703627E-02
  -3792.676     -5.4610368E-02
  -3652.207     -3.8205650E-02
  -3511.737     -8.4725870E-03
  -3371.268      0.1996980    
  -3230.799     -2.0840524E-02
  -3090.330     -0.1892223    
  -2949.860     -0.1617212    
  -2809.391      3.0692788E-02
  -2668.922     -4.8374385E-02
  -2528.453     -0.1733454    
  -2387.983      3.0541075E-03
  -2247.514      4.5090117E-02
  -2107.045      9.8944819E-03
  -1966.576     -1.0333620E-02
  -1826.106     -2.8916483E-03
  -1685.637      5.6511104E-02
  -1545.167      6.4285718E-02
  -1404.698     -3.7155196E-03
  -1264.229      0.1039129    
  -1123.759     -0.1674430    
  -983.2900     -3.2850988E-02
  -842.8207     -4.5554325E-02
  -702.3513      9.5495835E-02
  -561.8820     -3.2556705E-02
  -421.4126      7.9057738E-02
  -280.9432      4.4948120E-02
  -140.4739     -0.1000466    
 -4.5166016E-03 -9.9850565E-02
   140.4648     -5.0840084E-02
   280.9342     -5.7844963E-02
   421.4036     -0.1114623    
   561.8729      6.8350211E-02
   702.3423     -3.2448845E-03
   842.8116      0.1313901    
   983.2810      7.0515007E-02
   1123.750     -6.6501819E-02
   1264.220     -0.1296810    
   1404.689      9.3938410E-02
   1545.158     -3.6952805E-02
   1685.628      3.3402026E-02
   1826.097      6.8801241E-03
   1966.567     -3.4234226E-03
   2107.036     -1.6515393E-02
   2247.505      0.1138818    
   2387.975     -1.3533648E-02
   2528.444     -0.1194318    
   2668.913     -9.0681463E-03
   2809.382      2.1677201E-03
   2949.852     -0.1209112    
   3090.321      8.9558981E-02
   3230.790      3.0348953E-02
   3371.259     -4.2446289E-02
   3511.729     -0.2121685    
   3652.198      1.7477380E-02
   3792.667      9.7196057E-02
   3933.136      1.4443815E-03
   4073.605     -7.6562385E-03
   4214.075     -7.4141890E-02
   4354.544     -2.7483458E-02
   4495.013     -5.5390362E-02
   4635.482     -5.6453679E-02
   4775.952     -2.3193071E-02
   4916.421     -5.8176290E-02
   5056.890     -7.9482146E-02
   5197.359      3.1903986E-02
   5337.829      3.4147412E-02
   5478.298     -7.3845737E-02
   5618.767      2.8865742E-02
   5759.236      6.7648217E-02
   5899.706      5.8477987E-03
   6040.175     -0.1588278    
   6180.644      0.1921415    
   6321.113      2.9789791E-02
   6461.583     -3.5830814E-02
   6602.052      0.1770963    
   6742.521     -3.6407769E-02
   6882.990     -4.7958549E-02
   7023.459      6.8391711E-02
   7163.929      0.1031799    
   7304.398     -5.0058566E-02
   7444.867     -5.4466300E-02
   7585.336     -7.5069447E-03
   7725.806     -9.8459035E-02
   7866.275      2.1575885E-02
   8006.744      0.1062700    
   8147.213      8.4544778E-02
   8287.683     -0.1424671