! titre      C/1998 P1 (Williams)                    
 ! date       01/10/98
 ! obstime      0.529600024223328     
 ! polar      D       
 ! freq          1665401840.00000     
 ! vit_debut    -8438.06640625000     
 ! delta_vit     140.634445190430     
 ! nb cycles     38.00000    
 ! ah depart            -7
 ! RA  offset   0.000000000000000E+000
 ! dec offset   0.000000000000000E+000
 ! RA            48703.6992187500     
 ! dec          -31.4112491607666     
  -8438.066     -0.1521094    
  -8297.432      6.2345508E-02
  -8156.797      9.2897177E-02
  -8016.163     -1.1675992E-02
  -7875.529      3.7745144E-03
  -7734.895     -0.1723408    
  -7594.260      3.7464317E-02
  -7453.626      0.1005449    
  -7312.992      5.5405855E-02
  -7172.357     -6.9954261E-02
  -7031.723      1.4336811E-03
  -6891.089      5.2460235E-02
  -6750.455     -3.5938606E-02
  -6609.820     -3.6675978E-02
  -6469.186      3.6572829E-02
  -6328.552     -2.9369353E-03
  -6187.917      4.7916878E-02
  -6047.283     -7.5949483E-02
  -5906.649      0.1074962    
  -5766.015     -7.1873166E-02
  -5625.380     -0.1052352    
  -5484.746     -5.4254007E-02
  -5344.112      4.2830668E-02
  -5203.478     -9.3027493E-03
  -5062.843      5.9373998E-03
  -4922.209      3.8912740E-02
  -4781.575     -8.7722413E-02
  -4640.940     -7.7255413E-02
  -4500.306     -1.0051947E-02
  -4359.672      0.1188537    
  -4219.038      4.2014346E-02
  -4078.403     -6.5140545E-02
  -3937.769     -9.8734371E-02
  -3797.134     -1.0007226E-02
  -3656.500     -1.3965321E-02
  -3515.865     -0.1451451    
  -3375.230     -1.0278352E-02
  -3234.596     -7.2422862E-02
  -3093.961      3.9181955E-02
  -2953.327      0.1047787    
  -2812.692      0.1837113    
  -2672.058     -0.1003671    
  -2531.423      5.9629474E-02
  -2390.789     -2.7209131E-02
  -2250.154     -3.5299398E-02
  -2109.520      5.2617203E-02
  -1968.885     -9.7302608E-03
  -1828.251      0.1035291    
  -1687.617      1.6191462E-02
  -1546.982      1.0518001E-02
  -1406.348      5.9071388E-02
  -1265.713      6.7053080E-02
  -1125.079      5.4084010E-02
  -984.4445     -7.3547550E-02
  -843.8101     -0.1307947    
  -703.1756      2.1527463E-03
  -562.5411     -0.2027452    
  -421.9067     -9.9702463E-02
  -281.2722     -7.9537183E-02
  -140.6378      7.7882901E-02
 -3.3264160E-03 -0.1234870    
   140.6311      4.5136485E-02
   281.2656      3.1707127E-02
   421.9000     -1.8714314E-02
   562.5345     -5.7116102E-02
   703.1689      2.9316420E-02
   843.8034      1.4316326E-02
   984.4379      0.1229252    
   1125.072     -2.6782082E-02
   1265.707      2.0676283E-03
   1406.341      5.0899949E-02
   1546.975      9.0405932E-03
   1687.610     -6.5232255E-02
   1828.244     -7.4219853E-02
   1968.879      2.7378337E-02
   2109.513      0.1961732    
   2250.148      6.9718823E-02
   2390.782      3.4314819E-02
   2531.417      2.3722032E-02
   2672.051      4.7288463E-02
   2812.686     -6.0306866E-02
   2953.320     -6.2250765E-03
   3093.955      0.1327389    
   3234.589     -6.1481092E-02
   3375.224      8.3740940E-03
   3515.858     -5.4279130E-02
   3656.493      7.3820524E-02
   3797.127      1.4100398E-02
   3937.762      8.8851519E-02
   4078.396     -9.1617472E-02
   4219.031     -9.3341999E-02
   4359.665      1.0748982E-02
   4500.299      1.4634164E-02
   4640.934     -2.7810935E-02
   4781.568     -0.1295298    
   4922.202     -2.2302194E-02
   5062.836     -8.9229830E-02
   5203.471      0.1543144    
   5344.105      0.1426545    
   5484.739     -6.2525019E-02
   5625.374     -0.1428563    
   5766.008      7.7500738E-02
   5906.642     -7.0767358E-02
   6047.276      8.7858185E-02
   6187.911     -1.8472871E-02
   6328.545      0.1382595    
   6469.179     -7.7245245E-03
   6609.813      0.1045585    
   6750.448      8.4474646E-02
   6891.082     -9.5465221E-02
   7031.716     -1.9627031E-02
   7172.351     -7.6719135E-02
   7312.985     -0.1149537    
   7453.619      3.0971417E-02
   7594.253      8.7515555E-02
   7734.888     -9.3825966E-02
   7875.522      1.5460169E-02
   8016.156     -2.5458260E-02
   8156.791      3.8599975E-02
   8297.425      2.6037816E-02