Predictions for Grazing Occultation of ZC 2864, 2007 Nov 15

Grazing Occultation of    2864 dB8      Magnitude   4.6 
 2864 = 52 Sagittarii                         

Date   2007 November 15    (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
 150  0  0  -30 44  6   8 51 22    -4 52 268  0.78 153.1 161.52  19.34S
 150 10  0  -30 36 38   8 51 45    -5 52 268  0.79 153.1 161.50  19.36S
 150 20  0  -30 29  8   8 52  9    -5 52 267  0.79 153.0 161.48  19.38S
 150 30  0  -30 21 38   8 52 33    -5 51 267  0.80 153.0 161.47  19.39S
 150 40  0  -30 14  7   8 52 57    -5 51 267  0.81 153.0 161.45  19.41S
 150 50  0  -30  6 34   8 53 21    -6 51 267  0.81 153.0 161.43  19.43S
 151  0  0  -29 59  1   8 53 44    -6 51 266  0.82 153.0 161.42  19.44S
 151 10  0  -29 51 27   8 54  8    -6 50 266  0.83 153.0 161.40  19.46S
 151 20  0  -29 43 52   8 54 31    -6 50 266  0.84 152.9 161.39  19.47S
 151 30  0  -29 36 16   8 54 55    -7 50 265  0.84 152.9 161.37  19.49S
 151 40  0  -29 28 39   8 55 18    -7 50 265  0.85 152.9 161.36  19.50S
 151 50  0  -29 21  2   8 55 42    -7 49 265  0.86 152.9 161.34  19.52S
 152  0  0  -29 13 24   8 56  5    -7 49 265  0.86 152.9 161.33  19.53S
 152 10  0  -29  5 44   8 56 28    -8 49 264  0.87 152.9 161.32  19.54S
 152 20  0  -28 58  5   8 56 52    -8 49 264  0.88 152.9 161.31  19.55S
 152 30  0  -28 50 24   8 57 15    -8 48 264  0.89 152.8 161.30  19.57S
 152 40  0  -28 42 43   8 57 38    -8 48 264  0.89 152.8 161.28  19.58S
 152 50  0  -28 35  1   8 58  1    -9 48 263  0.90 152.8 161.27  19.59S
 153  0  0  -28 27 19   8 58 24    -9 48 263  0.91 152.8 161.26  19.60S
 153 10  0  -28 19 36   8 58 47    -9 47 263  0.92 152.8 161.25  19.61S
 153 20  0  -28 11 52   8 59 10    -9 47 263  0.93 152.8 161.24  19.62S

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

   2864 is double :   4.7  9.2   2.7"  171.0
Graze Path of component #2  4.94km North, and 2.1 secs. earlier cf. primary.

                Librations  Long -6.86   Lat +4.03
                            P +160.8     D +1.9
      Illumination of moon  24%+
        Elongation of Moon  59
    Vertical Profile Scale  1.97 km/arcsec at mean distance of moon
   Horizontal Scale Factor  1.53 deg/min

Limiting Magnitudes for various telescope apertures (in mm)
      CA\Tdia  50   100   150   200   250   300   350
    15.6      6.1   7.5   8.4   8.9   9.4   9.7   9.9
    17.6      6.1   7.6   8.4   9.0   9.4   9.7   9.9
    19.6      6.1   7.6   8.4   9.0   9.4   9.7  10.0
    21.6      6.1   7.6   8.5   9.0   9.4   9.8  10.0
    23.6      6.2   7.7   8.5   9.1   9.5   9.8  10.0

Lunar Limb Profile for graze