! titre      C/1998 J1 (SOHO)                        
 ! date       05/06/98
 ! obstime      0.573899984359741     
 ! polar      D       
 ! freq          1667359030.00000     
 ! vit_debut    -8428.16113281250     
 ! delta_vit     140.469360351562     
 ! nb cycles     38.00000    
 ! ah depart            -8
 ! RA  offset   0.000000000000000E+000
 ! dec offset   0.000000000000000E+000
 ! RA            24628.1992187500     
 ! dec          -21.1713619232178     
  -8428.161     -6.9635265E-02
  -8287.691      0.1370488    
  -8147.222      4.7804058E-02
  -8006.753      1.0168196E-03
  -7866.284      7.2871670E-02
  -7725.814      2.6977835E-02
  -7585.345      5.1701395E-03
  -7444.876     -0.1699116    
  -7304.407     -5.7684701E-02
  -7163.938     -9.6595502E-03
  -7023.468      3.9578985E-02
  -6882.999     -8.4524862E-02
  -6742.530      3.0598132E-02
  -6602.061      3.2383129E-02
  -6461.591      9.2200533E-02
  -6321.122      5.3696386E-03
  -6180.653     -2.1124708E-02
  -6040.184     -6.1080288E-02
  -5899.714     -5.1513173E-02
  -5759.245      9.4299950E-03
  -5618.776      1.7675154E-02
  -5478.307     -7.8972869E-02
  -5337.837     -7.0852481E-02
  -5197.368      8.3163954E-02
  -5056.899     -6.9059893E-02
  -4916.430      5.8983453E-02
  -4775.960      6.3130349E-02
  -4635.491      7.5651325E-02
  -4495.022     -8.6306997E-02
  -4354.553     -4.5026973E-02
  -4214.083     -1.5341788E-02
  -4073.614      3.0843422E-02
  -3933.145      1.4070446E-03
  -3792.676     -3.4567825E-02
  -3652.207     -8.7192677E-02
  -3511.737     -7.6264769E-02
  -3371.268      2.7238870E-02
  -3230.799      7.7409849E-02
  -3090.330     -4.6409573E-02
  -2949.860      3.6028650E-02
  -2809.391     -0.1758179    
  -2668.922     -2.1887420E-02
  -2528.453      5.9506245E-02
  -2387.983     -3.1211570E-02
  -2247.514     -3.1187644E-02
  -2107.045      1.2487292E-02
  -1966.576     -2.2818832E-02
  -1826.106     -0.1377186    
  -1685.637      4.7736835E-02
  -1545.167      6.0401302E-02
  -1404.698      0.1023380    
  -1264.229      0.1588753    
  -1123.759      2.6305689E-02
  -983.2900      0.1930283    
  -842.8207      0.1360920    
  -702.3513      0.1808763    
  -561.8820      0.1596973    
  -421.4126      0.1638298    
  -280.9432      0.1159686    
  -140.4739      0.1602964    
 -4.5166016E-03  9.7499043E-02
   140.4648      0.1713332    
   280.9342      0.1028752    
   421.4036      0.2161221    
   561.8729      9.4923690E-02
   702.3423      0.1322330    
   842.8116      0.2254430    
   983.2810      0.1163706    
   1123.750      0.1450315    
   1264.220      0.1710698    
   1404.689      0.1110695    
   1545.158      6.6560127E-02
   1685.628      2.7590226E-02
   1826.097     -7.7357270E-02
   1966.567      3.8672619E-02
   2107.036      7.2586231E-02
   2247.505      5.6389112E-02
   2387.975     -0.1180522    
   2528.444      6.5613091E-02
   2668.913      2.7549794E-02
   2809.382     -5.9365325E-02
   2949.852      6.6181071E-02
   3090.321     -2.0019498E-02
   3230.790      0.1101444    
   3371.259      5.3004634E-02
   3511.729     -5.6086760E-02
   3652.198     -5.2699808E-02
   3792.667     -0.1059541    
   3933.136      6.6852026E-02
   4073.605      4.1243088E-02
   4214.075      1.8189171E-02
   4354.544      4.2837709E-02
   4495.013      2.7321152E-02
   4635.482     -4.7780311E-04
   4775.952     -1.1960967E-02
   4916.421     -7.2872393E-02
   5056.890      1.3344561E-02
   5197.359     -0.1312667    
   5337.829     -4.5366947E-02
   5478.298      6.0772710E-02
   5618.767     -4.4010961E-03
   5759.236     -2.1574000E-02
   5899.706     -9.6969217E-02
   6040.175      2.7896244E-02
   6180.644      0.1820762    
   6321.113     -6.2433355E-02
   6461.583     -8.8512689E-02
   6602.052      5.3848531E-02
   6742.521      4.7237467E-02
   6882.990     -6.6410147E-02
   7023.459      3.9434887E-02
   7163.929      8.7667659E-02
   7304.398     -1.6874144E-02
   7444.867     -2.8543271E-02
   7585.336      2.5093967E-02
   7725.806      2.1270821E-02
   7866.275     -4.3220475E-02
   8006.744      5.4423779E-02
   8147.213      2.8097713E-02
   8287.683     -1.3775988E-02