! titre      C/1998 P1 (Williams)                    
 ! date       24/09/98
 ! obstime      0.549899995326996     
 ! polar      D       
 ! freq          1667359030.00000     
 ! vit_debut    -8428.16113281250     
 ! delta_vit     140.469360351562     
 ! nb cycles     26.00000    
 ! ah depart            -5
 ! RA  offset   0.000000000000000E+000
 ! dec offset   0.000000000000000E+000
 ! RA            48804.6015625000     
 ! dec          -33.5689430236816     
  -8428.161     -0.1646818    
  -8287.691      5.0877653E-02
  -8147.222      0.1245934    
  -8006.753     -4.4628136E-02
  -7866.284      3.6114641E-02
  -7725.814      2.5083566E-02
  -7585.345      1.1310000E-03
  -7444.876     -7.4056603E-02
  -7304.407     -2.9983880E-02
  -7163.938      6.6430733E-02
  -7023.468     -3.9035797E-02
  -6882.999     -3.4100629E-02
  -6742.530     -0.1408749    
  -6602.061      4.3595757E-02
  -6461.591      1.6789973E-02
  -6321.122     -0.1219294    
  -6180.653      7.1688533E-02
  -6040.184     -2.2261057E-02
  -5899.714     -3.3502489E-02
  -5759.245      0.1421451    
  -5618.776     -0.2243037    
  -5478.307      2.0071603E-02
  -5337.837      1.6096901E-02
  -5197.368     -6.1404474E-02
  -5056.899     -1.9848386E-02
  -4916.430     -4.2748161E-02
  -4775.960      3.1292923E-02
  -4635.491      0.1078668    
  -4495.022      3.2998499E-02
  -4354.553      1.1761501E-02
  -4214.083      7.8600750E-04
  -4073.614     -0.1795164    
  -3933.145      4.5463059E-02
  -3792.676      0.1252553    
  -3652.207     -0.1200554    
  -3511.737     -4.6097521E-02
  -3371.268     -7.1585819E-02
  -3230.799      0.1091706    
  -3090.330     -7.3263697E-02
  -2949.860      1.9299293E-02
  -2809.391     -9.2508703E-02
  -2668.922      9.3275227E-02
  -2528.453      8.5117683E-02
  -2387.983     -7.3654309E-02
  -2247.514      2.3225082E-02
  -2107.045     -2.5587080E-02
  -1966.576      7.0199877E-02
  -1826.106     -8.2965270E-02
  -1685.637      6.5937047E-03
  -1545.167     -0.2673590    
  -1404.698     -6.1061524E-02
  -1264.229      2.8510436E-02
  -1123.759     -9.9320784E-02
  -983.2900     -1.9004369E-02
  -842.8207      0.1106559    
  -702.3513     -4.6040811E-02
  -561.8820     -6.8243548E-02
  -421.4126     -6.7646034E-02
  -280.9432     -8.0859520E-02
  -140.4739     -6.4379528E-02
 -4.5166016E-03 -9.2467658E-02
   140.4648     -0.1408125    
   280.9342     -0.2215148    
   421.4036     -8.4588349E-02
   561.8729     -9.3539312E-02
   702.3423     -9.7124495E-02
   842.8116     -9.4325997E-02
   983.2810     -9.7697809E-02
   1123.750     -2.9051460E-02
   1264.220     -6.6637374E-02
   1404.689     -9.9879447E-03
   1545.158     -3.7639227E-02
   1685.628     -6.5476643E-03
   1826.097      3.3215761E-02
   1966.567     -0.1343256    
   2107.036      3.9015166E-02
   2247.505     -9.6475370E-02
   2387.975     -7.1575873E-02
   2528.444      0.1098548    
   2668.913      0.1890683    
   2809.382     -7.7944539E-02
   2949.852      0.1008462    
   3090.321     -0.1577515    
   3230.790      3.4660886E-03
   3371.259      1.4005673E-02
   3511.729     -4.3766517E-02
   3652.198     -4.2834572E-02
   3792.667      0.1107137    
   3933.136     -0.2586714    
   4073.605     -2.0294411E-02
   4214.075     -6.1588500E-02
   4354.544      0.1336623    
   4495.013     -7.6793253E-02
   4635.482      3.7668499E-03
   4775.952      1.3941702E-02
   4916.421     -2.1999142E-04
   5056.890      5.3725790E-02
   5197.359      0.1087208    
   5337.829     -2.5806036E-03
   5478.298      8.2099937E-02
   5618.767     -0.1669335    
   5759.236     -5.0524168E-02
   5899.706      4.6925891E-02
   6040.175      0.1557589    
   6180.644      4.8118313E-03
   6321.113      0.1981783    
   6461.583     -1.3756940E-02
   6602.052      0.1442810    
   6742.521      8.5262626E-02
   6882.990      1.8246407E-02
   7023.459     -2.1273160E-02
   7163.929     -5.8372188E-02
   7304.398     -7.2325371E-02
   7444.867     -7.8576453E-02
   7585.336      3.7219837E-02
   7725.806     -0.2776540    
   7866.275     -0.1943829    
   8006.744     -3.7249368E-02
   8147.213     -0.1201805    
   8287.683      0.1743592