! titre      C/1998 P1 (Williams)                    
 ! date       25/09/98
 ! obstime      0.546999990940094     
 ! polar      G       
 ! freq          1665401840.00000     
 ! vit_debut    -8438.06640625000     
 ! delta_vit     140.634445190430     
 ! nb cycles     26.00000    
 ! ah depart            -5
 ! RA  offset   0.000000000000000E+000
 ! dec offset   0.000000000000000E+000
 ! RA            48788.1992187500     
 ! dec          -33.2408065795898     
  -8438.066      0.1157191    
  -8297.432      4.6504539E-02
  -8156.797      7.2136909E-02
  -8016.163     -3.3810968E-03
  -7875.529     -0.2353126    
  -7734.895      0.1625457    
  -7594.260      0.1227921    
  -7453.626      7.2487488E-02
  -7312.992     -0.1659101    
  -7172.357      2.6717903E-02
  -7031.723     -9.0161704E-02
  -6891.089     -4.0485337E-03
  -6750.455     -6.1720237E-02
  -6609.820     -4.4325948E-02
  -6469.186      4.6435315E-02
  -6328.552     -8.2889922E-02
  -6187.917     -5.9955221E-02
  -6047.283     -7.7222139E-02
  -5906.649     -8.9739919E-02
  -5766.015      9.6480422E-02
  -5625.380     -0.1942630    
  -5484.746      5.8502726E-02
  -5344.112      4.5662075E-02
  -5203.478     -4.1446321E-02
  -5062.843      0.2207167    
  -4922.209     -6.4528473E-02
  -4781.575      9.2395246E-02
  -4640.940     -6.1304928E-03
  -4500.306      0.1136357    
  -4359.672      5.6505408E-02
  -4219.038      6.2383581E-02
  -4078.403      2.1713695E-02
  -3937.769      7.3870309E-02
  -3797.134      5.5282474E-02
  -3656.500     -1.9034294E-02
  -3515.865      0.1579045    
  -3375.230     -9.8812573E-02
  -3234.596     -4.8637358E-04
  -3093.961     -2.3955621E-02
  -2953.327      7.1632169E-02
  -2812.692     -9.3777152E-03
  -2672.058     -0.1471940    
  -2531.423     -6.2006459E-02
  -2390.789     -7.1395978E-02
  -2250.154      0.1775510    
  -2109.520      6.8393908E-02
  -1968.885     -0.1070130    
  -1828.251      0.1348522    
  -1687.617     -3.6162529E-02
  -1546.982     -4.5583926E-02
  -1406.348     -3.8138088E-02
  -1265.713     -4.5835957E-02
  -1125.079      0.1814430    
  -984.4445      0.1741112    
  -843.8101     -9.0209976E-02
  -703.1756     -3.8373671E-02
  -562.5411     -8.9981042E-02
  -421.9067      1.1016829E-02
  -281.2722     -6.9418408E-02
  -140.6378     -0.1057352    
 -3.3264160E-03 -3.2939561E-02
   140.6311     -0.1518947    
   281.2656     -0.1462348    
   421.9000     -0.1374686    
   562.5345     -6.2979318E-02
   703.1689     -6.0758419E-02
   843.8034      4.2849820E-02
   984.4379      1.5200288E-03
   1125.072      0.1236536    
   1265.707      5.3746600E-02
   1406.341     -6.7131028E-02
   1546.975      1.2198214E-03
   1687.610     -0.1954166    
   1828.244      0.1497056    
   1968.879     -5.1326826E-03
   2109.513      5.8993950E-02
   2250.148     -9.7320020E-02
   2390.782      6.7728616E-02
   2531.417      3.7255112E-02
   2672.051     -7.4033871E-02
   2812.686     -1.8826352E-02
   2953.320      2.9561326E-02
   3093.955      2.0976586E-02
   3234.589     -5.4778818E-02
   3375.224     -9.6186005E-02
   3515.858     -5.0372221E-02
   3656.493     -6.3182041E-03
   3797.127     -1.7254904E-02
   3937.762     -0.1301629    
   4078.396     -4.2070370E-02
   4219.031      1.6087065E-02
   4359.665      2.9400812E-02
   4500.299     -0.1914967    
   4640.934      2.1941643E-02
   4781.568      0.1282848    
   4922.202      4.8082508E-02
   5062.836     -6.2985115E-02
   5203.471      7.2022513E-02
   5344.105      9.9916877E-03
   5484.739      9.5615700E-02
   5625.374      5.0642800E-02
   5766.008      8.7683775E-02
   5906.642     -0.1371236    
   6047.276      2.0958720E-02
   6187.911      7.4672267E-02
   6328.545      3.4171335E-02
   6469.179     -0.1432260    
   6609.813     -9.9515326E-02
   6750.448      0.1640712    
   6891.082     -6.0041394E-02
   7031.716      5.0653245E-02
   7172.351      3.3661213E-02
   7312.985     -0.1973127    
   7453.619     -0.1934126    
   7594.253      1.3927858E-03
   7734.888      0.1118698    
   7875.522     -8.6937979E-02
   8016.156      0.2494470    
   8156.791     -6.0598187E-02
   8297.425     -6.4396828E-02