Predictions for Grazing Occultation of ZC 2273, 2006 Aug 31

Grazing Occultation of    2273  B8      Magnitude   5.9v
 2273 = 3 Scorpii (V927)                      

Date   2006 August 31    (Thursday)     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
 145  0  0  -42  6 14  11 59 57       34 265  1.48 187.4 176.30   5.00S
 145 10  0  -42  3 21  12  0  7       34 265  1.49 187.4 176.27   5.04S
 145 20  0  -42  0 26  12  0 17       34 265  1.49 187.3 176.24   5.07S
 145 30  0  -41 57 31  12  0 26       34 265  1.50 187.3 176.20   5.10S
 145 40  0  -41 54 35  12  0 36       33 265  1.51 187.3 176.17   5.13S
 145 50  0  -41 51 38  12  0 45       33 264  1.52 187.3 176.14   5.16S
 146  0  0  -41 48 40  12  0 55       33 264  1.53 187.2 176.11   5.19S
 146 10  0  -41 45 41  12  1  4       33 264  1.54 187.2 176.08   5.22S
 146 20  0  -41 42 41  12  1 14       33 264  1.55 187.2 176.05   5.25S
 146 30  0  -41 39 40  12  1 23       33 264  1.56 187.1 176.02   5.28S
 146 40  0  -41 36 38  12  1 33       33 264  1.57 187.1 175.99   5.31S
 146 50  0  -41 33 35  12  1 42       32 263  1.58 187.1 175.96   5.34S
 147  0  0  -41 30 31  12  1 51       32 263  1.59 187.0 175.93   5.37S
 147 10  0  -41 27 26  12  2  1       32 263  1.60 187.0 175.90   5.40S
 147 20  0  -41 24 21  12  2 10       32 263  1.61 187.0 175.87   5.43S
 147 30  0  -41 21 14  12  2 19       32 263  1.62 187.0 175.84   5.46S
 147 40  0  -41 18  7  12  2 28       32 263  1.63 186.9 175.82   5.49S
 147 50  0  -41 14 58  12  2 37       31 263  1.64 186.9 175.79   5.52S
 148  0  0  -41 11 49  12  2 46       31 262  1.65 186.9 175.76   5.54S
 148 10  0  -41  8 39  12  2 56       31 262  1.66 186.8 175.73   5.57S
 148 20  0  -41  5 28  12  3  5       31 262  1.67 186.8 175.70   5.60S
 148 30  0  -41  2 15  12  3 14       31 262  1.68 186.8 175.67   5.63S
 148 40  0  -40 59  2  12  3 23       31 262  1.69 186.8 175.64   5.66S
 148 50  0  -40 55 48  12  3 31       30 262  1.70 186.7 175.61   5.69S

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

   2273 = V0927 Sco,   5.80 +/- 0.03 V ,  Type SXARI,  Period 1.45937 days,  Phase 0.13

                Librations  Long -7.86   Lat +5.96
                            P +174.8     D +5.6
      Illumination of moon  45%+
        Elongation of Moon  84
    Vertical Profile Scale  1.95 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
     1.7      4.9   6.3   7.0   7.5   7.8   8.1   8.2
     3.7      4.9   6.3   7.1   7.5   7.8   8.1   8.2
     5.7      5.7   7.1   7.9   8.4   8.7   9.0   9.1
     7.7      5.7   7.1   7.9   8.4   8.7   9.0   9.2
     9.7      5.7   7.1   7.9   8.4   8.8   9.0   9.2

Lunar Limb Profile for graze near Launceston