! titre      C/1998 P1 (Williams)                    
 ! date       20/09/98
 ! obstime      0.561699986457825     
 ! polar      G       
 ! freq          1665401840.00000     
 ! vit_debut    -8438.06640625000     
 ! delta_vit     140.634445190430     
 ! nb cycles     30.00000    
 ! ah depart             3
 ! RA  offset   0.000000000000000E+000
 ! dec offset   0.000000000000000E+000
 ! RA            48879.5976562500     
 ! dec          -34.9607505798340     
  -8438.066      4.6718791E-02
  -8297.432     -0.1285655    
  -8156.797     -1.1843368E-02
  -8016.163     -4.4133086E-02
  -7875.529      5.4812498E-02
  -7734.895      0.2296511    
  -7594.260     -0.1491537    
  -7453.626     -2.5715068E-02
  -7312.992     -2.6476922E-02
  -7172.357     -3.3392463E-02
  -7031.723      7.0833205E-03
  -6891.089     -1.4622324E-02
  -6750.455     -8.7310843E-02
  -6609.820     -4.1795898E-02
  -6469.186     -0.1337106    
  -6328.552      6.6025648E-03
  -6187.917     -1.4675532E-02
  -6047.283     -9.9165039E-03
  -5906.649      2.2346495E-02
  -5766.015     -3.1309042E-02
  -5625.380      2.1087281E-02
  -5484.746     -3.4665965E-02
  -5344.112     -3.4124617E-02
  -5203.478      0.2219544    
  -5062.843      5.1592980E-02
  -4922.209      1.2489252E-02
  -4781.575      9.7255930E-02
  -4640.940      5.1281221E-02
  -4500.306      0.1248708    
  -4359.672     -4.7800798E-02
  -4219.038      1.5535060E-02
  -4078.403     -1.1418980E-02
  -3937.769     -0.1533911    
  -3797.134      2.7524581E-02
  -3656.500      7.7606186E-02
  -3515.865     -2.9124027E-02
  -3375.230     -6.7518726E-02
  -3234.596     -3.8482025E-02
  -3093.961      8.2553312E-02
  -2953.327      1.8534170E-02
  -2812.692     -1.5551216E-02
  -2672.058     -4.6264976E-02
  -2531.423     -1.0506553E-02
  -2390.789      0.1432139    
  -2250.154     -5.0697517E-02
  -2109.520      0.2078828    
  -1968.885      0.1368110    
  -1828.251     -6.2345982E-02
  -1687.617      0.1159470    
  -1546.982      2.4129454E-02
  -1406.348      0.1055386    
  -1265.713     -2.8952707E-02
  -1125.079      0.1068636    
  -984.4445     -0.1529153    
  -843.8101      0.3800504    
  -703.1756      0.6698736    
  -562.5411     -0.1320383    
  -421.9067     -0.1626491    
  -281.2722     -0.2626832    
  -140.6378      3.0978611E-02
 -3.3264160E-03 -0.1669505    
   140.6311      0.1380369    
   281.2656     -0.1605803    
   421.9000      1.6925588E-02
   562.5345     -7.4053101E-02
   703.1689     -0.1063589    
   843.8034     -6.3210808E-02
   984.4379      6.6876593E-03
   1125.072     -0.1524384    
   1265.707     -0.1909299    
   1406.341     -3.2594007E-02
   1546.975      9.4602950E-02
   1687.610      0.2551921    
   1828.244     -0.1362118    
   1968.879     -2.3695024E-02
   2109.513      1.8237080E-02
   2250.148      0.1527988    
   2390.782      4.7849517E-02
   2531.417      0.1412982    
   2672.051     -0.1268136    
   2812.686      2.5873883E-02
   2953.320     -1.3006657E-02
   3093.955     -0.1036264    
   3234.589      6.1797291E-02
   3375.224      0.1341274    
   3515.858      1.7648718E-03
   3656.493     -0.1374587    
   3797.127     -3.9054349E-02
   3937.762     -9.6803807E-02
   4078.396      4.4872604E-02
   4219.031      9.9975906E-02
   4359.665      9.9236898E-02
   4500.299      1.1336962E-02
   4640.934      0.1003875    
   4781.568     -0.1412349    
   4922.202      7.5837724E-02
   5062.836     -6.6596679E-02
   5203.471     -2.8985225E-02
   5344.105     -8.3582580E-02
   5484.739      0.2324018    
   5625.374      5.0405573E-02
   5766.008     -0.2348534    
   5906.642     -4.6519059E-04
   6047.276     -1.6011257E-02
   6187.911      8.9711614E-02
   6328.545      0.1599284    
   6469.179     -1.8600916E-02
   6609.813     -0.1101846    
   6750.448      0.1850115    
   6891.082     -3.0737873E-02
   7031.716     -5.2843023E-02
   7172.351     -3.0097958E-02
   7312.985     -0.1240131    
   7453.619     -1.2448103E-02
   7594.253     -5.7577983E-02
   7734.888      6.9884934E-02
   7875.522      2.5468757E-02
   8016.156     -1.3743835E-02
   8156.791     -2.2173325E-02
   8297.425     -8.7277405E-02