Predictions for Grazing Occultation of ZC 2583, 2007 Aug 23

Grazing Occultation of    2583 cA7      Magnitude   5.8 

Date   2007 August 23    (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  -43  9 36  15 19 22       28 256  1.91 168.6 167.91   9.28S
 145 10  0  -43  3 15  15 19 33       27 256  1.92 168.6 167.89   9.29S
 145 20  0  -42 56 53  15 19 45       27 256  1.94 168.6 167.88   9.30S
 145 30  0  -42 50 31  15 19 56       27 256  1.95 168.5 167.87   9.31S
 145 40  0  -42 44  8  15 20  7       27 256  1.97 168.5 167.86   9.32S
 145 50  0  -42 37 45  15 20 19       27 255  1.98 168.5 167.85   9.33S
 146  0  0  -42 31 21  15 20 30       27 255  2.00 168.5 167.84   9.34S
 146 10  0  -42 24 57  15 20 41       26 255  2.01 168.5 167.83   9.35S
 146 20  0  -42 18 32  15 20 52       26 255  2.03 168.5 167.82   9.36S
 146 30  0  -42 12  7  15 21  3       26 255  2.04 168.5 167.82   9.37S
 146 40  0  -42  5 41  15 21 14       26 255  2.06 168.5 167.81   9.38S
 146 50  0  -41 59 15  15 21 25       26 254  2.08 168.5 167.80   9.39S
 147  0  0  -41 52 49  15 21 35       26 254  2.09 168.5 167.79   9.40S
 147 10  0  -41 46 22  15 21 46       25 254  2.11 168.5 167.78   9.40S
 147 20  0  -41 39 55  15 21 57       25 254  2.13 168.4 167.77   9.41S
 147 30  0  -41 33 27  15 22  8       25 254  2.15 168.4 167.76   9.42S
 147 40  0  -41 26 59  15 22 18       25 254  2.16 168.4 167.76   9.43S
 147 50  0  -41 20 31  15 22 29       25 253  2.18 168.4 167.75   9.43S
 148  0  0  -41 14  3  15 22 39       24 253  2.20 168.4 167.74   9.44S
 148 10  0  -41  7 34  15 22 49       24 253  2.22 168.4 167.74   9.45S
 148 20  0  -41  1  5  15 23  0       24 253  2.24 168.4 167.73   9.46S
 148 30  0  -40 54 35  15 23 10       24 253  2.26 168.4 167.72   9.46S
 148 40  0  -40 48  6  15 23 20       24 253  2.28 168.4 167.72   9.47S
 148 50  0  -40 41 36  15 23 30       24 252  2.30 168.4 167.71   9.48S
 149  0  0  -40 35  6  15 23 40       23 252  2.32 168.4 167.70   9.48S

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

   2583 is double :   6.6  6.6   0.100"   90.0
Graze Path of component #2  0.04km North, and 0.2 secs. later cf. primary.

                Librations  Long -6.13   Lat +5.80
                            P +167.1     D +4.6
      Illumination of moon  74%+
        Elongation of Moon  119
    Vertical Profile Scale  2.23 km/arcsec at mean distance of moon
   Horizontal Scale Factor  1.92 deg/min

Limiting Magnitudes for various telescope apertures (in mm)
      CA\Tdia  50   100   150   200   250   300   350
     5.5      4.6   6.0   6.7   7.1   7.4   7.6   7.7
     7.5      5.2   6.6   7.4   7.8   8.1   8.3   8.4
     9.5      5.2   6.6   7.4   7.8   8.1   8.3   8.4
    11.5      5.3   6.7   7.4   7.8   8.1   8.3   8.4
    13.5      5.3   6.7   7.4   7.8   8.1   8.3   8.5

Lunar Limb Profile for graze

Lunar Limb Profile