Predictions for Grazing Occultation of ZC 1525, 2008 Aug 3


Grazing Occultation of    1525  M2      Magnitude   5.6v
 1525 = 44 Leonis (DE)                        

Date   2008 August  3    (Sunday)     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
 174  0  0  -37 36  4   7  7 55        5 285 11.46  31.4  11.74   7.14N
 174 10  0  -37 38  6   7  7 58        5 285 11.81  31.4  11.70   7.09N
 174 20  0  -37 40  7   7  8  0        5 285 12.17  31.4  11.66   7.06N
 174 30  0  -37 42  7   7  8  2        5 285 12.55  31.3  11.63   7.03N
 174 40  0  -37 44  6   7  8  4        4 285 12.96  31.3  11.60   6.99N
 174 50  0  -37 46  4   7  8  7        4 284 13.40  31.3  11.56   6.96N
 175  0  0  -37 48  1   7  8  9        4 284 13.86  31.2  11.53   6.93N
 175 10  0  -37 49 58   7  8 11        4 284 14.36  31.2  11.50   6.89N
 175 20  0  -37 51 53   7  8 13        4 284 14.89  31.2  11.46   6.86N
 175 30  0  -37 53 48   7  8 15        4 284 15.47  31.1  11.43   6.83N
 175 40  0  -37 55 42   7  8 17        4 284 16.08  31.1  11.40   6.80N
 175 50  0  -37 57 35   7  8 19        3 284 16.75  31.1  11.37   6.76N
 176  0  0  -37 59 28   7  8 20        3 284 17.47  31.0  11.33   6.73N
 176 10  0  -38  1 19   7  8 22        3 284 18.26  31.0  11.30   6.70N
 176 20  0  -38  3 10   7  8 24        3 283 19.12  31.0  11.27   6.67N
 176 30  0  -38  5  0   7  8 26        3 283 20.06  30.9  11.24   6.63N
 176 40  0  -38  6 49   7  8 27        3 283 21.10  30.9  11.20   6.60N
 176 50  0  -38  8 37   7  8 29        3 283 22.25  30.9  11.17   6.57N
 177  0  0  -38 10 25   7  8 31        2 283 23.52  30.8  11.14   6.54N
 177 10  0  -38 12 11   7  8 32        2 283 24.96  30.8  11.11   6.51N
 177 20  0  -38 13 57   7  8 34        2 283 26.57  30.8  11.08   6.47N
 177 30  0  -38 15 42   7  8 35        2 283 28.40  30.7  11.04   6.44N
 177 40  0  -38 17 26   7  8 36        2 283 30.50  30.7  11.01   6.41N
 177 50  0  -38 19 10   7  8 38        2 283 32.93  30.7  10.98   6.38N
 178  0  0  -38 20 52   7  8 39        2 282 35.78  30.6  10.95   6.35N
 178 10  0  -38 22 34   7  8 41        1 282 39.16  30.6  10.92   6.32N

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

   1525 = DE Leo,   5.60 +/- 0.07 V ,  Type SRB:

                Librations  Long +4.86   Lat +1.70
                            P +11.1     D -0.5
      Illumination of moon  4%+
        Elongation of Moon  24
    Vertical Profile Scale  1.91 km/arcsec at mean distance of moon
   Horizontal Scale Factor  2.03 deg/min

Limiting Magnitudes for various telescope apertures (in mm)
      CA\Tdia  50   100   150   200   250   300   350
     2.3      4.3   5.7   6.6   7.1   7.5   7.8   8.0
     4.3      4.3   5.7   6.6   7.1   7.5   7.8   8.1
     6.3      4.3   5.7   6.6   7.1   7.5   7.8   8.1
     8.3      4.3   5.8   6.6   7.1   7.5   7.8   8.1
    10.3      4.3   5.8   6.6   7.1   7.5   7.8   8.1

Lunar Limb Profile

Lunar Limb Profile