Predictions for Grazing Occultation of ZC 2366, 2008 Sep 7

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

Date   2008 September  7    (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
 143  0  0  -33  0 51   1 46 38    50 13 113  4.35 196.6 187.47  -7.50S
 143 10  0  -33  7 12   1 46 45    50 13 113  4.28 196.6 187.48  -7.51S
 143 20  0  -33 13 34   1 46 51    50 13 113  4.22 196.7 187.49  -7.52S
 143 30  0  -33 19 57   1 46 58    50 14 113  4.16 196.7 187.50  -7.53S
 143 40  0  -33 26 21   1 47  5    50 14 113  4.10 196.7 187.51  -7.54S
 143 50  0  -33 32 45   1 47 12    50 14 113  4.04 196.7 187.52  -7.56S
 144  0  0  -33 39 10   1 47 19    50 14 113  3.98 196.7 187.53  -7.57S
 144 10  0  -33 45 37   1 47 26    50 14 112  3.93 196.7 187.54  -7.58S
 144 20  0  -33 52  4   1 47 33    49 14 112  3.87 196.7 187.55  -7.59S
 144 30  0  -33 58 32   1 47 41    49 15 112  3.82 196.7 187.56  -7.60S
 144 40  0  -34  5  0   1 47 48    49 15 112  3.77 196.7 187.57  -7.61S
 144 50  0  -34 11 30   1 47 56    49 15 112  3.72 196.7 187.58  -7.61S
 145  0  0  -34 18  0   1 48  3    49 15 112  3.67 196.8 187.59  -7.62S
 145 10  0  -34 24 31   1 48 11    49 15 112  3.62 196.8 187.60  -7.63S
 145 20  0  -34 31  3   1 48 19    49 16 112  3.57 196.8 187.61  -7.64S
 145 30  0  -34 37 36   1 48 27    49 16 111  3.53 196.8 187.62  -7.65S
 145 40  0  -34 44 10   1 48 35    49 16 111  3.48 196.8 187.62  -7.66S
 145 50  0  -34 50 44   1 48 43    49 16 111  3.44 196.8 187.63  -7.67S
 146  0  0  -34 57 19   1 48 51    49 16 111  3.40 196.8 187.64  -7.68S
 146 10  0  -35  3 55   1 49  0    49 17 111  3.35 196.8 187.65  -7.68S
 146 20  0  -35 10 31   1 49  8    49 17 111  3.31 196.8 187.66  -7.69S
 146 30  0  -35 17  9   1 49 17    48 17 111  3.27 196.8 187.66  -7.70S
 146 40  0  -35 23 47   1 49 25    48 17 111  3.23 196.8 187.67  -7.71S
 146 50  0  -35 30 25   1 49 34    48 17 110  3.20 196.8 187.68  -7.72S
 147  0  0  -35 37  5   1 49 43    48 18 110  3.16 196.8 187.69  -7.72S
 147 10  0  -35 43 45   1 49 51    48 18 110  3.12 196.9 187.69  -7.73S
 147 20  0  -35 50 26   1 50  0    48 18 110  3.09 196.9 187.70  -7.74S
 147 30  0  -35 57  7   1 50 10    48 18 110  3.05 196.9 187.71  -7.74S
 147 40  1  -36  3 49   1 50 19    48 18 110  3.02 196.9 187.71  -7.75S
 147 50  1  -36 10 32   1 50 28    48 19 110  2.98 196.9 187.72  -7.76S
 148  0  1  -36 17 15   1 50 37    48 19 110  2.95 196.9 187.73  -7.76S
 148 10  1  -36 23 59   1 50 47    48 19 109  2.92 196.9 187.73  -7.77S
 148 20  1  -36 30 44   1 50 56    47 19 109  2.88 196.9 187.74  -7.77S
 148 30  1  -36 37 29   1 51  6    47 19 109  2.85 196.9 187.74  -7.78S
 148 40  1  -36 44 15   1 51 16    47 20 109  2.82 196.9 187.75  -7.79S
 148 50  1  -36 51  1   1 51 25    47 20 109  2.79 196.9 187.75  -7.79S
 149  0  1  -36 57 48   1 51 35    47 20 109  2.76 196.9 187.76  -7.80S
 149 10  1  -37  4 36   1 51 45    47 20 109  2.73 196.9 187.76  -7.80S
 149 20  1  -37 11 24   1 51 56    47 20 108  2.71 196.9 187.77  -7.80S
 149 30  1  -37 18 13   1 52  6    47 20 108  2.68 196.9 187.77  -7.81S
 149 40  1  -37 25  2   1 52 16    47 21 108  2.65 196.9 187.78  -7.81S
 149 50  1  -37 31 51   1 52 26    47 21 108  2.62 196.9 187.78  -7.82S
 150  0  1  -37 38 41   1 52 37    46 21 108  2.60 196.9 187.79  -7.82S
 150 10  1  -37 45 32   1 52 47    46 21 108  2.57 197.0 187.79  -7.82S
 150 20  1  -37 52 23   1 52 58    46 21 107  2.55 197.0 187.79  -7.83S
 150 30  1  -37 59 14   1 53  9    46 22 107  2.52 197.0 187.80  -7.83S
 150 40  1  -38  6  6   1 53 20    46 22 107  2.50 197.0 187.80  -7.83S
 150 50  1  -38 12 58   1 53 31    46 22 107  2.47 197.0 187.80  -7.84S
 151  0  1  -38 19 51   1 53 42    46 22 107  2.45 197.0 187.80  -7.84S

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  1.26km North, and 5.0 secs. earlier cf. primary.

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

                Librations  Long +1.67   Lat +5.74
                            P +188.0     D +5.7
      Illumination of moon  46%+
        Elongation of Moon  85
    Vertical Profile Scale  2.32 km/arcsec at mean distance of moon
   Horizontal Scale Factor  1.87 deg/min

Limiting Magnitudes for various telescope apertures (in mm)
      CA\Tdia  50   100   150   200   250   300   350
   -11.8      1.8   3.1   3.8   4.2   4.4   4.5   4.7
    -9.8      1.8   3.1   3.8   4.2   4.4   4.5   4.7
    -7.8      1.8   3.1   3.8   4.2   4.4   4.5   4.7
    -5.8      1.8   3.1   3.8   4.2   4.4   4.5   4.7
    -3.8      1.8   3.1   3.8   4.2   4.4   4.5   4.7
    

Lunar Limb Profile

Lunar Limb Profile