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ASTROMETRIC UPDATE:
OCCULTATION BY (391) INGEBORG - 2005 FEB 24

[Prediction using OCCULT Software]

[Detailed Finder Charts]


Updated:   2005 JAN 31, 06:41 UT

Event Rank : 42

(The event Rank is a measure of the likelihood of observing an event, and is equal to the probability of at least one successful observation by a team of two observers spaced 1/8 path width just inside opposite sides of the predicted path. An event rank of 100 indicates that the prediction is expected to be very accurate).


THE UPDATED PATH

Note: The duration given in the line below is the interval during which the occultation shadow sweeps across the Earth - please see the minute markers on the map to determine the approximate time for your location.

Ingeborg Update Map 1


Ingeborg Update Map 2


On 2005 Feb 24 UT (before dawn on the 25th), the 32 km diameter asteroid (391) Ingeborg will occult a 9.2 mag star in the constellation Monoceros for observers along a path across New Zealand, Australia, China, Russia.

In the case of an occultation, the combined light of the asteroid and the star will drop by 5.3 mag to 14.5 mag (the magnitude of the asteroid) for at most 2.9 seconds.

This update is based on UNSO/Flagstaff astrometry for the asteroid kindly provided by Ron Stone, historical astrometry from the MPC files (via AstDys), and the following catalogs for the star position: UCAC.

Additional details of this and other events are available at Steve Preston's website at http://www.asteroidoccultation.com/

EVENT DETAILS SUMMARY : Data for the target star : Data for the minor planet : The Occultation Path :
                                    Centre              Star  Star   Sun      Path Limits           Error Limits
  E. Longitude   Latitude      U.T.    Alt    Az   Alt    Limit 1    Limit 2    Limit 3    Limit 4
      o  '  "     o  '  "    h  m  s     o     o     o    o  '  "    o  '  "    o  '  "    o  '  "
                                                        Longitude  Longitude  Longitude  Longitude
  
    113 19  3   - 1  0  0   15  2 48    64   247   -64  113 29 23  113  8 43  114  1 44  112 36 38
    113 42 41   - 2  0  0   15  2 38    64   249   -64  113 53  3  113 32 20  114 25 32  113  0  7
    114  6 58   - 3  0  0   15  2 27    64   251   -64  114 17 23  113 56 34  114 50  0  113 24 14

    114 31 56   - 4  0  0   15  2 16    64   253   -63  114 42 24  114 21 29  115 15 10  113 49  0
    114 57 36   - 5  0  0   15  2  6    64   255   -63  115  8  7  114 47  6  115 41  3  114 14 27
    115 23 58   - 6  0  0   15  1 55    63   258   -63  115 34 33  115 13 25  116  7 40  114 40 35
    115 51  5   - 7  0  0   15  1 44    63   260   -63  116  1 44  115 40 28  116 35  3  115  7 27
    116 18 59   - 8  0  0   15  1 33    63   262   -62  116 29 42  116  8 18  117  3 15  115 35  4

    116 47 41   - 9  0  0   15  1 22    63   264   -62  116 58 29  116 36 55  117 32 16  116  3 27
    117 17 14   -10  0  0   15  1 11    62   265   -62  117 28  6  117  6 23  118  2  9  116 32 40
    117 47 39   -11  0  0   15  1  1    62   267   -61  117 58 36  117 36 43  118 32 56  117  2 43

                                                         Latitude   Latitude   Latitude   Latitude
    118  0  0   -11 23 53   15  0 56    62   268   -61  -11  2 42  -11 44 55  - 9 55 45  -12 49 43
    119  0  0   -13 15 57   15  0 36    61   271   -61  -12 55 35  -13 36 11  -11 51 18  -14 38 34
    120  0  0   -15  1 57   15  0 17    60   274   -60  -14 42 20  -15 21 27  -13 40 26  -16 21 39
    121  0  0   -16 42 20   14 59 58    59   276   -59  -16 23 24  -17  1 11  -15 23 40  -17 59 24
    122  0  0   -18 17 32   14 59 41    58   279   -58  -17 59 12  -18 35 47  -17  1 27  -19 32 10

    123  0  0   -19 47 53   14 59 25    57   280   -57  -19 30  7  -20  5 35  -18 34 10  -21  0 17
    124  0  0   -21 13 44   14 59  9    56   282   -56  -20 56 29  -21 30 54  -20  2 11  -22 24  4
    125  0  0   -22 35 20   14 58 54    54   283   -56  -22 18 34  -22 52  3  -21 25 48  -23 43 46
    126  0  0   -23 52 59   14 58 40    53   284   -55  -23 36 39  -24  9 15  -22 45 19  -24 59 38
    127  0  0   -25  6 54   14 58 27    52   285   -54  -24 50 59  -25 22 46  -24  0 58  -26 11 54

    128  0  0   -26 17 19   14 58 14    51   286   -53  -26  1 47  -26 32 48  -25 12 59  -27 20 47
    129  0  0   -27 24 26   14 58  2    50   286   -52  -27  9 16  -27 39 33  -26 21 36  -28 26 27
    130  0  0   -28 28 25   14 57 50    49   287   -51  -28 13 35  -28 43 13  -27 27  0  -29 29  5
    131  0  0   -29 29 28   14 57 39    48   287   -51  -29 14 56  -29 43 56  -28 29 22  -30 28 50
    132  0  0   -30 27 42   14 57 29    47   287   -50  -30 13 29  -30 41 53  -29 28 51  -31 25 53

    133  0  0   -31 23 18   14 57 19    46   288   -49  -31  9 22  -31 37 12  -30 25 37  -32 20 21
    134  0  0   -32 16 23   14 57  9    44   288   -48  -32  2 43  -32 30  2  -31 19 48  -33 12 22
    135  0  0   -33  7  5   14 57  0    43   288   -48  -32 53 39  -33 20 29  -32 11 32  -34  2  4
    136  0  0   -33 55 30   14 56 52    42   288   -47  -33 42 19  -34  8 40  -33  0 56  -34 49 32
    137  0  0   -34 41 46   14 56 43    41   288   -46  -34 28 48  -34 54 43  -33 48  8  -35 34 54

    138  0  0   -35 25 58   14 56 35    40   287   -45  -35 13 12  -35 38 42  -34 33 12  -36 18 14
    139  0  0   -36  8 12   14 56 28    39   287   -45  -35 55 38  -36 20 44  -35 16 16  -36 59 40
    140  0  0   -36 48 33   14 56 20    39   287   -44  -36 36 11  -37  0 54  -35 57 24  -37 39 15
    141  0  0   -37 27  6   14 56 13    38   287   -43  -37 14 54  -37 39 16  -36 36 42  -38 17  4
    142  0  0   -38  3 56   14 56  7    37   286   -43  -37 51 55  -38 15 56  -37 14 14  -38 53 13

    143  0  0   -38 39  7   14 56  0    36   286   -42  -38 27 15  -38 50 57  -37 50  5  -39 27 45
    144  0  0   -39 12 43   14 55 54    35   286   -41  -39  1  0  -39 24 24  -38 24 20  -40  0 43
    145  0  0   -39 44 48   14 55 48    34   285   -41  -39 33 14  -39 56 20  -38 57  1  -40 32 13
    146  0  0   -40 15 25   14 55 43    33   285   -40  -40  4  0  -40 26 50  -39 28 12  -41  2 17
    147  0  0   -40 44 38   14 55 37    32   284   -40  -40 33 21  -40 55 55  -39 57 58  -41 30 58

    148  0  0   -41 12 30   14 55 32    32   284   -39  -41  1 20  -41 23 39  -40 26 21  -41 58 19
    149  0  0   -41 39  4   14 55 27    31   283   -38  -41 28  1  -41 50  6  -40 53 24  -42 24 24
    150  0  0   -42  4 22   14 55 22    30   283   -38  -41 53 25  -42 15 17  -41 19 10  -42 49 15
    151  0  0   -42 28 27   14 55 18    29   282   -37  -42 17 37  -42 39 16  -41 43 41  -43 12 55
    152  0  0   -42 51 22   14 55 13    28   282   -37  -42 40 38  -43  2  5  -42  7  1  -43 35 25

    153  0  0   -43 13  8   14 55  9    28   281   -36  -43  2 30  -43 23 46  -42 29 11  -43 56 48
    154  0  0   -43 33 48   14 55  5    27   281   -36  -43 23 15  -43 44 20  -42 50 13  -44 17  6
    155  0  0   -43 53 24   14 55  1    26   280   -35  -43 42 56  -44  3 51  -43 10 10  -44 36 21
    156  0  0   -44 11 58   14 54 57    25   280   -35  -44  1 34  -44 22 20  -43 29  4  -44 54 35
    157  0  0   -44 29 30   14 54 54    25   279   -34  -44 19 12  -44 39 48  -43 46 55  -45 11 50

    158  0  0   -44 46  4   14 54 50    24   278   -34  -44 35 50  -44 56 18  -44  3 46  -45 28  6
    159  0  0   -45  1 40   14 54 47    23   278   -33  -44 51 30  -45 11 50  -44 19 39  -45 43 26
    160  0  0   -45 16 20   14 54 44    22   277   -33  -45  6 13  -45 26 26  -44 34 34  -45 57 51
    161  0  0   -45 30  5   14 54 41    22   276   -32  -45 20  2  -45 40  8  -44 48 34  -46 11 21
    162  0  0   -45 42 56   14 54 38    21   276   -32  -45 32 56  -45 52 56  -45  1 39  -46 23 59

    163  0  0   -45 54 55   14 54 35    20   275   -31  -45 44 58  -46  4 51  -45 13 50  -46 35 46
    164  0  0   -46  6  2   14 54 32    19   274   -31  -45 56  8  -46 15 56  -45 25  9  -46 46 42
    165  0  0   -46 16 19   14 54 30    19   274   -30  -46  6 27  -46 26 10  -45 35 36  -46 56 48
    166  0  0   -46 25 45   14 54 27    18   273   -30  -46 15 56  -46 35 34  -45 45 12  -47  6  5
    167  0  0   -46 34 23   14 54 25    17   272   -29  -46 24 36  -46 44  9  -45 53 59  -47 14 34

    168  0  0   -46 42 12   14 54 22    17   272   -29  -46 32 27  -46 51 57  -46  1 56  -47 22 15
    169  0  0   -46 49 14   14 54 20    16   271   -28  -46 39 31  -46 58 57  -46  9  5  -47 29 10
    170  0  0   -46 55 29   14 54 18    15   270   -28  -46 45 47  -47  5 10  -46 15 25  -47 35 18
    171  0  0   -47  0 57   14 54 16    15   270   -27  -46 51 16  -47 10 37  -46 20 59  -47 40 41
    172  0  0   -47  5 38   14 54 14    14   269   -27  -46 55 59  -47 15 17  -46 25 45  -47 45 18

    173  0  0   -47  9 34   14 54 12    13   268   -26  -46 59 56  -47 19 12  -46 29 45  -47 49 10
    174  0  0   -47 12 45   14 54 11    13   268   -26  -47  3  7  -47 22 22  -46 32 58  -47 52 18
    175  0  0   -47 15 10   14 54  9    12   267   -25  -47  5 32  -47 24 46  -46 35 25  -47 54 41
    176  0  0   -47 16 49   14 54  7    11   266   -25  -47  7 12  -47 26 26  -46 37  6  -47 56 19
    177  0  0   -47 17 44   14 54  6    11   265   -25  -47  8  7  -47 27 20  -46 38  1  -47 57 13

    178  0  0   -47 17 54   14 54  5    10   265   -24  -47  8 16  -47 27 30  -46 38 10  -47 57 23
    179  0  0   -47 17 18   14 54  3     9   264   -24  -47  7 41  -47 26 55  -46 37 34  -47 56 49
    180  0  0   -47 15 57   14 54  2     9   263   -23  -47  6 19  -47 25 35  -46 36 11  -47 55 30
  

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