Predictions for Grazing Occultation of ZC 1807, 2007 Jan 10

Grazing Occultation of    1807  A3      Magnitude   5.9 
 1807 = 25 Virginis                           

Date   2007 January 10    (Wednesday)     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
 173  0  0  -34 50 58  16 17 27       55  40  0.71 223.0 201.47  19.61S
 173 10  0  -35  2  2  16 18  3       55  40  0.71 222.9 201.46  19.59S
 173 20  0  -35 13  6  16 18 40       55  39  0.71 222.9 201.44  19.58S
 173 30  0  -35 24  8  16 19 16   -12 55  39  0.71 222.9 201.43  19.56S
 173 40  0  -35 35  8  16 19 52   -11 55  38  0.71 222.9 201.41  19.55S
 173 50  0  -35 46  7  16 20 27   -11 55  37  0.71 222.9 201.39  19.53S
 174  0  0  -35 57  4  16 21  3   -11 55  37  0.71 222.9 201.37  19.51S
 174 10  0  -36  8  0  16 21 38   -10 55  36  0.71 222.8 201.35  19.49S
 174 20  0  -36 18 54  16 22 14   -10 55  35  0.71 222.8 201.33  19.47S
 174 30  0  -36 29 46  16 22 49   -10 55  35  0.71 222.8 201.31  19.45S
 174 40  0  -36 40 36  16 23 24   -10 55  34  0.71 222.8 201.29  19.42S
 174 50  0  -36 51 24  16 23 58    -9 55  34  0.71 222.7 201.26  19.40S
 175  0  0  -37  2 10  16 24 33    -9 55  33  0.71 222.7 201.24  19.37S
 175 10  0  -37 12 54  16 25  7    -9 55  32  0.71 222.7 201.21  19.35S
 175 20  0  -37 23 36  16 25 42    -8 55  32  0.71 222.7 201.19  19.32S
 175 30  0  -37 34 16  16 26 16    -8 55  31  0.71 222.6 201.16  19.30S
 175 40  0  -37 44 54  16 26 49    -8 55  30  0.71 222.6 201.13  19.27S
 175 50  0  -37 55 29  16 27 23    -7 55  30  0.71 222.6 201.10  19.24S
 176  0  0  -38  6  2  16 27 56    -7 55  29  0.71 222.6 201.08  19.21S
 176 10  0  -38 16 33  16 28 30    -7 54  29  0.71 222.5 201.05  19.18S
 176 20  0  -38 27  1  16 29  3    -7 54  28  0.71 222.5 201.01  19.15S
 176 30  0  -38 37 27  16 29 36    -6 54  27  0.72 222.5 200.98  19.12S
 176 40  0  -38 47 50  16 30  8    -6 54  27  0.72 222.4 200.95  19.09S
 176 50  0  -38 58 11  16 30 41    -6 54  26  0.72 222.4 200.92  19.05S
 177  0  0  -39  8 29  16 31 13    -5 54  26  0.72 222.4 200.88  19.02S

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

                Librations  Long -0.56   Lat +2.05
                            P +200.9     D +2.4
      Illumination of moon  58%-
        Elongation of Moon  99
    Vertical Profile Scale  2.30 km/arcsec at mean distance of moon
   Horizontal Scale Factor  1.35 deg/min

Limiting Magnitudes for various telescope apertures (in mm)
      CA\Tdia  50   100   150   200   250   300   350
    15.0      5.7   7.2   8.0   8.5   8.9   9.2   9.4
    17.0      5.7   7.2   8.0   8.5   8.9   9.2   9.4
    19.0      5.8   7.2   8.0   8.5   8.9   9.2   9.4
    21.0      5.8   7.2   8.0   8.6   8.9   9.2   9.4
    23.0      5.8   7.2   8.0   8.6   8.9   9.2   9.4

Lunar Limb Profile