Predictions for Grazing Occultation of ZC 143, 2006 May 23

Grazing Occultation of     143  F0      Magnitude   7.1 
Date   2006 May 23    (Tuesday)     Nominal site altitude  0m

E. Longit.   Latitude     U.T.    Sun  Moon   TanZ   PA    WA      CA
   o  '  "    o  '  "   h  m  s   Alt Alt Az          o     o      o
 171  0  0  -42 30 18  18 16 52       22  54  2.49 323.6 344.90  15.61N
 171 10  0  -42 26  2  18 17  0       22  54  2.47 323.6 344.86  15.65N
 171 20  0  -42 21 44  18 17  8       22  54  2.45 323.6 344.82  15.69N
 171 30  0  -42 17 25  18 17 17       22  53  2.43 323.5 344.78  15.74N
 171 40  0  -42 13  5  18 17 25       23  53  2.41 323.5 344.74  15.78N
 171 50  0  -42  8 43  18 17 34       23  53  2.39 323.4 344.70  15.82N
 172  0  0  -42  4 20  18 17 42       23  53  2.37 323.4 344.66  15.86N
 172 10  0  -41 59 55  18 17 51       23  53  2.35 323.4 344.61  15.90N
 172 20  0  -41 55 29  18 18  0       23  53  2.34 323.3 344.57  15.94N
 172 30  0  -41 51  2  18 18  8       23  53  2.32 323.3 344.53  15.98N
 172 40  0  -41 46 33  18 18 17       24  52  2.30 323.2 344.49  16.03N
 172 50  0  -41 42  2  18 18 26       24  52  2.28 323.2 344.45  16.07N
 173  0  0  -41 37 30  18 18 35       24  52  2.26 323.1 344.41  16.11N
 173 10  0  -41 32 57  18 18 45       24  52  2.24 323.1 344.36  16.15N
 173 20  0  -41 28 22  18 18 54       24  52  2.23 323.1 344.32  16.19N
 173 30  0  -41 23 45  18 19  3       24  52  2.21 323.0 344.28  16.24N
 173 40  0  -41 19  7  18 19 13       25  51  2.19 323.0 344.24  16.28N
 173 50  0  -41 14 28  18 19 22       25  51  2.17 322.9 344.20  16.32N
 174  0  0  -41  9 47  18 19 32       25  51  2.16 322.9 344.15  16.36N
 174 10  0  -41  5  4  18 19 41       25  51  2.14 322.9 344.11  16.41N
 174 20  0  -41  0 20  18 19 51       25  51  2.12 322.8 344.07  16.45N
 174 30  0  -40 55 35  18 20  1       25  51  2.11 322.8 344.02  16.49N
 174 40  0  -40 50 48  18 20 11       26  51  2.09 322.7 343.98  16.54N
 174 50  0  -40 45 59  18 20 21       26  50  2.08 322.7 343.94  16.58N
 175  0  0  -40 41  9  18 20 31       26  50  2.06 322.6 343.89  16.62N
 175 10  0  -40 36 17  18 20 41       26  50  2.04 322.6 343.85  16.67N
 175 20  0  -40 31 23  18 20 51       26  50  2.03 322.5 343.81  16.71N
 175 30  0  -40 26 28  18 21  2       26  50  2.01 322.5 343.76  16.75N
 175 40  1  -40 21 31  18 21 12   -12 27  50  2.00 322.5 343.72  16.80N
 175 50  1  -40 16 33  18 21 23   -12 27  49  1.98 322.4 343.68  16.84N
 176  0  1  -40 11 33  18 21 33   -11 27  49  1.97 322.4 343.63  16.88N
 176 10  1  -40  6 32  18 21 44   -11 27  49  1.95 322.3 343.59  16.93N
 176 20  1  -40  1 29  18 21 55   -11 27  49  1.94 322.3 343.54  16.97N
 176 30  1  -39 56 24  18 22  6   -11 27  49  1.92 322.2 343.50  17.02N
 176 40  1  -39 51 17  18 22 17   -11 28  49  1.91 322.2 343.45  17.06N
 176 50  1  -39 46  9  18 22 28   -11 28  48  1.89 322.2 343.41  17.11N
 177  0  1  -39 40 59  18 22 39   -10 28  48  1.88 322.1 343.37  17.15N
 177 10  1  -39 35 48  18 22 51   -10 28  48  1.87 322.1 343.32  17.20N
 177 20  1  -39 30 34  18 23  2   -10 28  48  1.85 322.0 343.28  17.24N
 177 30  1  -39 25 19  18 23 14   -10 29  48  1.84 322.0 343.23  17.29N
 177 40  1  -39 20  3  18 23 25   -10 29  48  1.82 321.9 343.20  17.32N
 177 50  1  -39 14 44  18 23 37    -9 29  48  1.81 321.9 343.15  17.37N
 178  0  1  -39  9 24  18 23 49    -9 29  47  1.80 321.8 343.11  17.41N

Path coordinates are referred to WGS84 (as used by GPS).

                Librations  Long +2.34   Lat -2.17
                            P +343.0     D +1.7
      Illumination of moon  14%-
        Elongation of Moon  45
    Vertical Profile Scale  2.03 km/arcsec at mean distance of moon
   Horizontal Scale Factor  1.69 deg/min

Limiting Magnitudes for various telescope apertures (in mm)
      CA\Tdia  50   100   150   200   250   300   350
    13.4      6.1   7.6   8.4   8.9   9.3   9.6   9.8
    15.4      6.1   7.6   8.4   9.0   9.4   9.6   9.9
    17.4      6.2   7.6   8.4   9.0   9.4   9.7   9.9
    19.4      6.2   7.6   8.5   9.0   9.4   9.7   9.9
    21.4      6.2   7.7   8.5   9.0   9.4   9.7   9.9

Lunar Limb Profile for graze near Blenheim

Lunar Limb Profile


Lunar Limb Profile for graze near Hastings

Lunar Limb Profile