! titre      C/1998 P1 (Williams)                    
 ! date       23/09/98
 ! obstime      0.552799999713898     
 ! polar      D       
 ! freq          1667359030.00000     
 ! vit_debut    -8428.16113281250     
 ! delta_vit     140.469360351562     
 ! nb cycles     30.00000    
 ! ah depart             3
 ! RA  offset   0.000000000000000E+000
 ! dec offset   0.000000000000000E+000
 ! RA            48821.8984375000     
 ! dec          -33.9046096801758     
  -8428.161      0.1651036    
  -8287.691      2.7645579E-02
  -8147.222      5.7155661E-02
  -8006.753     -5.4210819E-02
  -7866.284     -0.1989917    
  -7725.814     -6.4368635E-02
  -7585.345      0.1054047    
  -7444.876     -0.2028212    
  -7304.407      4.6716858E-02
  -7163.938      0.3001627    
  -7023.468      2.1006385E-02
  -6882.999      2.3269039E-02
  -6742.530      0.2047007    
  -6602.061     -1.4104920E-02
  -6461.591     -5.6994233E-02
  -6321.122     -0.1341347    
  -6180.653     -8.7141082E-02
  -6040.184      0.1351044    
  -5899.714      5.2457303E-02
  -5759.245     -0.1284191    
  -5618.776      0.2450106    
  -5478.307      0.1772511    
  -5337.837     -0.1692271    
  -5197.368      6.9219470E-02
  -5056.899     -4.4712145E-02
  -4916.430     -3.6246512E-02
  -4775.960     -3.9290160E-02
  -4635.491      6.6678807E-02
  -4495.022     -0.2236305    
  -4354.553     -0.2332966    
  -4214.083      6.7483805E-02
  -4073.614     -0.1165259    
  -3933.145      6.6550992E-02
  -3792.676     -7.5248957E-02
  -3652.207     -0.1460854    
  -3511.737      7.9437569E-02
  -3371.268      2.8885018E-02
  -3230.799      1.5258497E-03
  -3090.330      3.4014609E-02
  -2949.860      0.2215386    
  -2809.391      1.7878386E-03
  -2668.922     -9.9413939E-02
  -2528.453      0.1015815    
  -2387.983      0.2228094    
  -2247.514      0.1982249    
  -2107.045      0.2079043    
  -1966.576      0.2102610    
  -1826.106      7.0148208E-03
  -1685.637     -3.6688182E-03
  -1545.167     -2.2567220E-02
  -1404.698     -0.1286143    
  -1264.229     -0.1507036    
  -1123.759      0.3625319    
  -983.2900      8.3350770E-02
  -842.8207     -6.8739325E-02
  -702.3513     -0.1989300    
  -561.8820     -1.2709237E-02
  -421.4126     -0.1291715    
  -280.9432     -0.2375670    
  -140.4739     -0.1251545    
 -4.5166016E-03  6.5693431E-02
   140.4648     -0.2651896    
   280.9342     -0.1154553    
   421.4036      0.1819425    
   561.8729     -0.1306678    
   702.3423      0.1173897    
   842.8116     -4.6183039E-02
   983.2810      7.3320441E-02
   1123.750     -8.7565817E-02
   1264.220     -0.1319630    
   1404.689      0.1437537    
   1545.158     -6.8603605E-02
   1685.628      2.2150673E-02
   1826.097      9.3914390E-02
   1966.567     -0.1966997    
   2107.036     -2.2035411E-02
   2247.505     -4.1455597E-02
   2387.975     -0.1313449    
   2528.444     -9.2315860E-02
   2668.913     -1.9701395E-02
   2809.382     -4.2277793E-03
   2949.852     -2.4234103E-03
   3090.321     -0.2133703    
   3230.790     -6.7115590E-02
   3371.259      0.3727907    
   3511.729     -0.1575911    
   3652.198     -3.1644113E-02
   3792.667     -7.8175358E-02
   3933.136     -1.2006883E-03
   4073.605      0.1213817    
   4214.075      0.2409254    
   4354.544      0.2060139    
   4495.013      0.1843222    
   4635.482     -7.1813688E-02
   4775.952      8.6762026E-02
   4916.421      0.1724567    
   5056.890     -3.8313504E-02
   5197.359     -7.3759966E-02
   5337.829     -0.2017837    
   5478.298      8.9927457E-02
   5618.767      0.1997924    
   5759.236     -9.9767121E-03
   5899.706      0.1309020    
   6040.175     -3.0644541E-03
   6180.644     -0.1119181    
   6321.113     -0.1551896    
   6461.583      3.2512352E-02
   6602.052      9.5928639E-02
   6742.521      5.0930720E-02
   6882.990      3.0931836E-02
   7023.459     -0.3041462    
   7163.929     -9.3815930E-02
   7304.398      9.2494994E-02
   7444.867     -0.1314301    
   7585.336      8.8288665E-02
   7725.806     -0.1512735    
   7866.275      7.1697325E-02
   8006.744      0.1652536    
   8147.213     -9.0722024E-02
   8287.683     -0.1052009