! titre      C/1998 P1 (Williams)                    
 ! date       18/09/98
 ! obstime      0.567700028419495     
 ! polar      D       
 ! freq          1665401840.00000     
 ! vit_debut    -8438.06640625000     
 ! delta_vit     140.634445190430     
 ! nb cycles     32.00000    
 ! ah depart             1
 ! RA  offset   0.000000000000000E+000
 ! dec offset   0.000000000000000E+000
 ! RA            48923.5976562500     
 ! dec          -35.7099456787109     
  -8438.066     -4.4295251E-02
  -8297.432      5.2400306E-04
  -8156.797      0.1305699    
  -8016.163      3.5762694E-02
  -7875.529      2.5433507E-02
  -7734.895     -4.8232447E-02
  -7594.260     -5.4083623E-02
  -7453.626     -3.5682607E-02
  -7312.992      3.1485170E-02
  -7172.357      5.2516405E-03
  -7031.723      4.5846257E-02
  -6891.089      8.5864961E-02
  -6750.455     -0.1289586    
  -6609.820     -0.1047278    
  -6469.186     -0.1105248    
  -6328.552      0.1282921    
  -6187.917     -3.8518813E-02
  -6047.283      8.0914021E-02
  -5906.649      6.5129183E-02
  -5766.015     -0.1803760    
  -5625.380      7.2804615E-02
  -5484.746      0.1342010    
  -5344.112     -1.3660640E-02
  -5203.478     -5.1715169E-02
  -5062.843      4.2456757E-02
  -4922.209      5.9355490E-02
  -4781.575     -1.5255916E-02
  -4640.940     -0.1658554    
  -4500.306      2.3709986E-02
  -4359.672     -2.2490541E-03
  -4219.038      7.6063648E-02
  -4078.403     -3.7713051E-02
  -3937.769      0.3016692    
  -3797.134      5.3883608E-02
  -3656.500     -8.8494696E-02
  -3515.865      0.1151325    
  -3375.230      2.4039077E-02
  -3234.596      5.1647265E-02
  -3093.961     -4.0198300E-02
  -2953.327      8.8730948E-03
  -2812.692     -4.7609642E-02
  -2672.058     -0.1706146    
  -2531.423     -3.5865556E-02
  -2390.789      1.5142523E-02
  -2250.154     -7.4188963E-02
  -2109.520      9.1370232E-02
  -1968.885      8.4100664E-02
  -1828.251      4.1207634E-02
  -1687.617      4.7924824E-02
  -1546.982      2.2116765E-02
  -1406.348     -6.5466680E-02
  -1265.713      7.4419685E-02
  -1125.079     -0.1908393    
  -984.4445     -9.8928295E-02
  -843.8101      1.7829193E-02
  -703.1756      1.7894840E-02
  -562.5411      4.3450687E-02
  -421.9067     -1.6494513E-02
  -281.2722     -5.1922802E-02
  -140.6378      4.7169220E-02
 -3.3264160E-03 -1.5532122E-02
   140.6311     -5.1199250E-02
   281.2656      9.3273222E-02
   421.9000     -5.4458696E-02
   562.5345     -2.1145042E-02
   703.1689      0.1333217    
   843.8034     -8.8002935E-02
   984.4379     -8.1619009E-02
   1125.072     -7.3570803E-02
   1265.707      1.9535402E-02
   1406.341      0.1807157    
   1546.975     -1.1935719E-02
   1687.610      6.1083369E-02
   1828.244      8.9703381E-02
   1968.879     -0.1664734    
   2109.513     -3.9890129E-02
   2250.148     -8.7372385E-02
   2390.782     -2.9898062E-02
   2531.417     -0.1290058    
   2672.051      3.9256416E-02
   2812.686     -0.1058369    
   2953.320     -1.1431761E-02
   3093.955      6.0847674E-02
   3234.589     -8.7087035E-02
   3375.224      6.6045687E-02
   3515.858     -0.1725702    
   3656.493     -3.3583507E-02
   3797.127      0.1486348    
   3937.762      7.1367100E-02
   4078.396      8.4680766E-02
   4219.031      3.7507776E-02
   4359.665     -7.8091361E-02
   4500.299     -4.2709861E-02
   4640.934     -6.0499571E-03
   4781.568     -3.1752292E-02
   4922.202      6.0719900E-02
   5062.836     -2.0083278E-02
   5203.471     -0.1486058    
   5344.105     -1.1459125E-02
   5484.739     -8.5045900E-03
   5625.374      3.6191851E-02
   5766.008     -4.6825353E-03
   5906.642      0.1132052    
   6047.276      4.0095728E-02
   6187.911     -4.5674901E-02
   6328.545     -4.3747697E-02
   6469.179      7.5431705E-02
   6609.813      4.4566147E-02
   6750.448     -4.0577009E-02
   6891.082     -3.3557516E-02
   7031.716      7.1970336E-02
   7172.351      3.7829574E-02
   7312.985     -0.1030934    
   7453.619     -6.8772599E-02
   7594.253      0.1235827    
   7734.888     -2.2086382E-02
   7875.522      1.5052858E-02
   8016.156      6.2701248E-02
   8156.791      8.1509344E-02
   8297.425     -7.1168639E-02