C/2002 Y1 (Juels-Holvorcem)
From 744 observations 2002 12 29 - 2004 01 04, mean residual 0".54.

  Epoch  = 2003 05 01.0 TT               JDT = 2452760.5
      T  = 2003 04 13.2483833128 TT      +/- 0.0000170029      -0.0000000000
      q  =   0.7138046569 AU             +/- 0.0000002590      -0.0000000000
      e  =   0.9971585315                +/- 0.0000006416       0.0000000000
   Peri. = 128.8166116568                +/- 0.0000213631       0.0000000000
   Node  = 166.2205290138 (2000.0)       +/- 0.0000189698       0.0000000000
   Incl. = 103.7819186877                +/- 0.0000175998       0.0000000000

Widoczność w Polsce: 
 - wieczorem do ( 3 kwietnia 2003 r.)
 - rano      do (20 kwietnia 2003 r.)

    Data      Faza  delta T     R.A.       Decl.        r        d    Elong   m1    konst.
2003-02-11        -61.25   16 50.20     54 56.8     1.356    0.905    91   8.1     Dra
2003-02-12        -60.25   17  2.66     55 57.8     1.342    0.900    90   8.0     Dra
2003-02-13        -59.25   17 15.82     56 54.7     1.328    0.897    89   7.9     Dra
2003-02-14        -58.25   17 29.66     57 46.9     1.313    0.894    88   7.9     Dra
2003-02-15        -57.25   17 44.15     58 33.7     1.299    0.892    87   7.8     Dra
2003-02-16        -56.25   17 59.22     59 14.6     1.285    0.892    86   7.7     Dra
2003-02-17        -55.25   18 14.79     59 49.0     1.270    0.892    84   7.7     Dra
2003-02-18        -54.25   18 30.75     60 16.7     1.256    0.893    83   7.6     Dra
2003-02-19        -53.25   18 46.98     60 37.3     1.242    0.896    82   7.5     Dra
2003-02-20        -52.25   19  3.34     60 50.8     1.228    0.899    81   7.5     Dra
2003-02-21        -51.25   19 19.67     60 57.1     1.214    0.903    79   7.4     Dra
2003-02-22        -50.25   19 35.84     60 56.4     1.199    0.908    78   7.4     Dra
2003-02-23        -49.25   19 51.70     60 49.0     1.185    0.914    76   7.3     Dra
2003-02-24        -48.25   20  7.13     60 35.2     1.171    0.921    75   7.3     Cep
2003-02-25        -47.25   20 22.02     60 15.7     1.157    0.929    74   7.2     Cep
2003-02-26        -46.25   20 36.31     59 50.8     1.143    0.937    72   7.2     Cyg
2003-02-27        -45.25   20 49.94     59 21.3     1.130    0.946    71   7.1     Cep
2003-02-28        -44.25   21  2.86     58 47.6     1.116    0.956    69   7.1     Cep
2003-03-01        -43.25   21 15.08     58 10.4     1.102    0.966    68   7.0     Cep
2003-03-02        -42.25   21 26.59     57 30.2     1.088    0.977    67   7.0     Cep
2003-03-03        -41.25   21 37.40     56 47.4     1.075    0.989    65   6.9     Cep
2003-03-04        -40.25   21 47.55     56  2.6     1.061    1.001    64   6.9     Cep
2003-03-05        -39.25   21 57.06     55 16.2     1.048    1.013    62   6.8     Cyg
2003-03-06        -38.25   22  5.98     54 28.4     1.034    1.026    61   6.8     Cep
2003-03-07        -37.25   22 14.32     53 39.7     1.021    1.040    60   6.7     Lac
2003-03-08        -36.25   22 22.14     52 50.4     1.008    1.053    58   6.7     Lac
2003-03-09        -35.25   22 29.47     52  0.6     0.995    1.068    57   6.6     Lac
2003-03-10        -34.25   22 36.34     51 10.5     0.982    1.082    56   6.6     Lac
2003-03-11        -33.25   22 42.80     50 20.3     0.969    1.097    55   6.6     Lac
2003-03-12        -32.25   22 48.87     49 30.1     0.957    1.111    53   6.6     Lac
2003-03-13        -31.25   22 54.58     48 40.1     0.944    1.126    52   6.6     Lac
2003-03-14        -30.25   22 59.96     47 50.3     0.932    1.142    51   6.5     And
2003-03-15        -29.25   23  5.03     47  0.8     0.920    1.157    49   6.5     And
2003-03-16        -28.25   23  9.83     46 11.6     0.908    1.172    48   6.5     And
2003-03-17        -27.25   23 14.36     45 22.8     0.896    1.188    47   6.5     And
2003-03-18        -26.25   23 18.66     44 34.4     0.885    1.203    46   6.5     And
2003-03-19        -25.25   23 22.74     43 46.4     0.874    1.219    45   6.5     And
2003-03-20        -24.25   23 26.62     42 58.8     0.863    1.235    43   6.4     And
2003-03-21        -23.25   23 30.31     42 11.7     0.852    1.250    42   6.4     And
2003-03-22        -22.25   23 33.82     41 24.9     0.842    1.265    41   6.4     And
2003-03-23        -21.25   23 37.18     40 38.6     0.831    1.281    40   6.4     And
2003-03-24        -20.25   23 40.39     39 52.6     0.821    1.296    39   6.4     And
2003-03-25        -19.25   23 43.47     39  7.1     0.812    1.311    38   6.4     And
2003-03-26        -18.25   23 46.42     38 21.8     0.803    1.326    37   6.3     And
2003-03-27        -17.25   23 49.25     37 36.9     0.794    1.341    36   6.3     And
2003-03-28        -16.25   23 51.97     36 52.3     0.785    1.355    34   6.3     And
2003-03-29        -15.25   23 54.60     36  8.0     0.777    1.370    33   6.3     And
2003-03-30        -14.25   23 57.13     35 24.0     0.770    1.384    32   6.3     And
2003-03-31        -13.25   23 59.58     34 40.2     0.762    1.398    31   6.3     And
2003-04-01        -12.25    0  1.96     33 56.6     0.756    1.411    30   6.3     And
2003-04-02        -11.25    0  4.26     33 13.2     0.749    1.424    29   6.3     And
2003-04-03        -10.25    0  6.49     32 30.0     0.743    1.437    29   6.3     And
2003-04-04         -9.25    0  8.67     31 46.9     0.738    1.450    28   6.3     And
2003-04-05         -8.25    0 10.79     31  4.0     0.733    1.462    27   6.2     And
2003-04-06         -7.25    0 12.86     30 21.3     0.729    1.474    26   6.2     And
2003-04-07         -6.25    0 14.88     29 38.6     0.725    1.485    25   6.2     And
2003-04-08         -5.25    0 16.86     28 56.1     0.722    1.496    24   6.2     And
2003-04-09         -4.25    0 18.81     28 13.6     0.719    1.507    24   6.2     And
2003-04-10         -3.25    0 20.72     27 31.3     0.717    1.517    23   6.2     And
2003-04-11         -2.25    0 22.60     26 49.0     0.715    1.527    22   6.3     And
2003-04-12         -1.25    0 24.45     26  6.7     0.714    1.536    22   6.3     And
2003-04-13         -0.25    0 26.28     25 24.6     0.714    1.545    21   6.3     And
2003-04-14          0.75    0 28.09     24 42.5     0.714    1.553    20   6.3     And
2003-04-15          1.75    0 29.88     24  0.5     0.715    1.561    20   6.3     And
2003-04-16          2.75    0 31.66     23 18.5     0.716    1.568    20   6.3     And
2003-04-17          3.75    0 33.42     22 36.7     0.718    1.575    19   6.3     And
2003-04-18          4.75    0 35.18     21 54.8     0.720    1.582    19   6.4     And
2003-04-19          5.75    0 36.92     21 13.1     0.723    1.588    19   6.4     Psc
2003-04-20          6.75    0 38.66     20 31.4     0.727    1.594    19   6.4     Psc
2003-04-21          7.75    0 40.39     19 49.7     0.731    1.599    19   6.4     Psc
2003-04-22          8.75    0 42.12     19  8.2     0.735    1.603    19   6.5     Psc
2003-04-23          9.75    0 43.85     18 26.7     0.741    1.607    19   6.5     Psc
2003-04-24         10.75    0 45.58     17 45.2     0.746    1.611    19   6.5     Psc
2003-04-25         11.75    0 47.30     17  3.8     0.752    1.615    19   6.6     Psc
2003-04-26         12.75    0 49.03     16 22.5     0.759    1.617    20   6.6     Psc
2003-04-27         13.75    0 50.76     15 41.3     0.766    1.620    20   6.6     Psc
2003-04-28         14.75    0 52.49     15  0.1     0.773    1.622    21   6.7     Psc
2003-04-29         15.75    0 54.23     14 18.9     0.781    1.624    21   6.7     Psc
2003-04-30         16.75    0 55.96     13 37.8     0.790    1.625    22   6.7     Psc
2003-05-01         17.75    0 57.71     12 56.7     0.798    1.626    22   6.8     Psc
2003-05-02         18.75    0 59.46     12 15.7     0.807    1.627    23   6.8     Psc
2003-05-03         19.75    1  1.21     11 34.6     0.817    1.627    24   6.9     Psc
2003-05-04         20.75    1  2.97     10 53.6     0.826    1.627    24   6.9     Psc
2003-05-05         21.75    1  4.74     10 12.6     0.836    1.626    25   6.9     Psc
2003-05-06         22.75    1  6.51      9 31.5     0.847    1.626    26   7.0     Psc
2003-05-07         23.75    1  8.29      8 50.5     0.857    1.625    26   7.0     Psc
2003-05-08         24.75    1 10.08      8  9.4     0.868    1.624    27   7.1     Psc
2003-05-09         25.75    1 11.87      7 28.3     0.879    1.622    28   7.1     Psc
2003-05-10         26.75    1 13.67      6 47.1     0.891    1.620    29   7.1     Psc
2003-05-11         27.75    1 15.48      6  5.9     0.902    1.618    30   7.2     Psc
2003-05-12         28.75    1 17.29      5 24.5     0.914    1.616    31   7.2     Psc
2003-05-13         29.75    1 19.11      4 43.1     0.926    1.614    31   7.3     Psc
2003-05-14         30.75    1 20.94      4  1.6     0.938    1.611    32   7.3     Psc
2003-05-15         31.75    1 22.78      3 20.0     0.950    1.608    33   7.4     Psc
2003-05-16         32.75    1 24.63      2 38.2     0.963    1.606    34   7.4     Cet
2003-05-17         33.75    1 26.48      1 56.4     0.976    1.602    35   7.4     Cet
2003-05-18         34.75    1 28.34      1 14.3     0.988    1.599    36   7.5     Cet
2003-05-19         35.75    1 30.21      0 32.1     1.001    1.596    37   7.5     Cet
2003-05-20         36.75    1 32.09     -0 10.3     1.014    1.592    38   7.6     Cet
2003-05-21         37.75    1 33.98     -0 52.8     1.028    1.589    39   7.6     Cet
2003-05-22         38.75    1 35.88     -1 35.6     1.041    1.585    40   7.6     Cet
2003-05-23         39.75    1 37.78     -2 18.5     1.054    1.582    41   7.7     Cet
2003-05-24         40.75    1 39.70     -3  1.7     1.068    1.578    41   7.7     Cet
2003-05-25         41.75    1 41.62     -3 45.2     1.081    1.574    42   7.8     Cet
2003-05-26         42.75    1 43.55     -4 28.8     1.095    1.570    43   7.8     Cet
2003-05-27         43.75    1 45.49     -5 12.7     1.109    1.566    44   7.8     Cet
2003-05-28         44.75    1 47.44     -5 56.9     1.122    1.562    45   7.9     Cet
2003-05-29         45.75    1 49.39     -6 41.4     1.136    1.558    46   7.9     Cet
2003-05-30         46.75    1 51.36     -7 26.1     1.150    1.554    47   7.9     Cet
2003-05-31         47.75    1 53.33     -8 11.2     1.164    1.550    48   8.0     Cet
2003-06-01         48.75    1 55.32     -8 56.5     1.178    1.546    49   8.0     Cet
2003-06-02         49.75    1 57.31     -9 42.1     1.192    1.542    50   8.1     Cet
2003-06-03         50.75    1 59.31    -10 28.1     1.206    1.539    51   8.1     Cet
2003-06-04         51.75    2  1.32    -11 14.3     1.221    1.535    52   8.1     Cet