Predictions for Grazing Occultation of Antares, ZC 2366, 2007 Jul 25

Grazing Occultation of    2366 dM1      Magnitude   1.1v
 2366 = Antares = alpha Scorpii               

Date   2007 July 25    (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
 137  0  0  -33  0 28  17 34 10        9 244  6.12 358.5 349.92  -6.59N
 137 10  0  -32 55 15  17 34 13        9 244  6.24 358.5 349.94  -6.58N
 137 20  0  -32 50  2  17 34 17        9 244  6.36 358.5 349.93  -6.58N
 137 30  0  -32 44 49  17 34 20        9 244  6.49 358.5 349.93  -6.58N
 137 40  0  -32 39 35  17 34 23        9 244  6.63 358.5 349.92  -6.59N
 137 50  0  -32 34 22  17 34 27        8 244  6.77 358.5 349.92  -6.59N
 138  0  0  -32 29  8  17 34 30        8 244  6.91 358.5 349.92  -6.59N
 138 10  0  -32 23 54  17 34 33        8 244  7.07 358.5 349.91  -6.60N
 138 20  0  -32 18 41  17 34 36        8 244  7.22 358.5 349.91  -6.60N
 138 30  0  -32 13 27  17 34 39        8 244  7.39 358.5 349.91  -6.60N
 138 40  0  -32  8 13  17 34 42        8 243  7.56 358.5 349.90  -6.61N
 138 50  0  -32  2 59  17 34 45        7 243  7.74 358.5 349.90  -6.61N
 139  0  0  -31 57 45  17 34 48        7 243  7.93 358.5 349.90  -6.61N
 139 10  0  -31 52 31  17 34 51        7 243  8.13 358.5 349.89  -6.62N
 139 20  0  -31 47 17  17 34 54        7 243  8.34 358.5 349.89  -6.62N
 139 30  0  -31 42  3  17 34 56        7 243  8.56 358.5 349.89  -6.62N
 139 40  0  -31 36 48  17 34 59        6 243  8.80 358.5 349.89  -6.62N
 139 50  0  -31 31 34  17 35  1        6 243  9.04 358.5 349.88  -6.63N
 140  0  0  -31 26 20  17 35  4        6 243  9.30 358.5 349.88  -6.63N
 140 10  0  -31 21  6  17 35  6        6 243  9.57 358.5 349.88  -6.63N
 140 20  0  -31 15 51  17 35  8        6 243  9.86 358.5 349.88  -6.63N
 140 30  0  -31 10 37  17 35 10        6 242 10.17 358.5 349.88  -6.63N
 140 40  0  -31  5 23  17 35 13        5 242 10.49 358.5 349.88  -6.64N
 140 50  0  -31  0  9  17 35 15        5 242 10.84 358.5 349.87  -6.64N
 141  0  0  -30 54 54  17 35 17        5 242 11.21 358.5 349.87  -6.64N
 141 10  0  -30 49 40  17 35 19        5 242 11.61 358.5 349.87  -6.64N
 141 20  0  -30 44 26  17 35 20        5 242 12.03 358.5 349.87  -6.64N
 141 30  0  -30 39 12  17 35 22        5 242 12.49 358.5 349.87  -6.64N
 141 40  1  -30 33 57  17 35 24        4 242 12.99 358.5 349.87  -6.64N
 141 50  1  -30 28 43  17 35 26        4 242 13.52 358.5 349.87  -6.64N
 142  0  1  -30 23 29  17 35 27        4 242 14.10 358.5 349.87  -6.64N
 142 10  1  -30 18 15  17 35 29        4 242 14.72 358.5 349.87  -6.65N
 142 20  1  -30 13  1  17 35 30        4 241 15.41 358.5 349.86  -6.65N
 142 30  1  -30  7 47  17 35 32        4 241 16.17 358.5 349.86  -6.65N
 142 40  1  -30  2 33  17 35 33        3 241 17.00 358.5 349.86  -6.65N
 142 50  1  -29 57 19  17 35 34        3 241 17.91 358.5 349.86  -6.65N
 143  0  1  -29 52  6  17 35 35        3 241 18.94 358.5 349.86  -6.65N
 143 10  1  -29 46 52  17 35 36        3 241 20.08 358.5 349.86  -6.65N
 143 20  1  -29 41 38  17 35 38        3 241 21.37 358.5 349.86  -6.65N
 143 30  1  -29 36 25  17 35 38        3 241 22.84 358.5 349.86  -6.65N
 143 40  1  -29 31 12  17 35 39        2 241 24.53 358.5 349.86  -6.65N
 143 50  1  -29 25 58  17 35 40        2 241 26.48 358.5 349.86  -6.65N
 144  0  1  -29 20 45  17 35 41        2 241 28.76 358.5 349.87  -6.65N

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

   2366 is double :   0.9  5.4   2.5"  273.7
Graze Path of component #2  0.45km South, and 4.5 secs. earlier cf. primary.

   2366 = alf Sco,   0.88 to  1.16 V ,  Type LC

                Librations  Long -4.68   Lat +6.35
                            P +349.4     D -5.2
      Illumination of moon  80%+
        Elongation of Moon  127
    Vertical Profile Scale  2.02 km/arcsec at mean distance of moon
   Horizontal Scale Factor  2.12 deg/min

Limiting Magnitudes for various telescope apertures (in mm)
      CA\Tdia  50   100   150   200   250   300   350
   -10.6     -0.9   0.0   0.4   0.6   0.6   0.7   0.7
    -8.6     -0.9   0.0   0.4   0.6   0.6   0.7   0.7
    -6.6     -0.9   0.0   0.4   0.6   0.6   0.7   0.7
    -4.6     -0.9   0.0   0.4   0.6   0.6   0.7   0.7
    -2.6     -0.9   0.0   0.4   0.6   0.6   0.7   0.7

Lunar Limb Profile for graze

Lunar Limb Profile