Predictions for Grazing Occultation of ZC 2349, 2006 Feb 21

Grazing Occultation of    2349 SB1      Magnitude   2.9v
 2349 = Al Niyat = sigma Scorpii              

Date   2006 February 21    (Tuesday)     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
 174 48  0  -40 16 31  16 22  9       58  73  0.62  22.8  14.17 -13.57N
 174 58  0  -40 22 21  16 22 33       59  73  0.61  22.8  14.13 -13.54N
 175  8  0  -40 28 10  16 22 56       59  72  0.61  22.7  14.09 -13.50N
 175 18  0  -40 33 58  16 23 20       59  72  0.60  22.7  14.06 -13.46N
 175 28  0  -40 39 43  16 23 44       59  71  0.60  22.7  14.02 -13.43N
 175 38  0  -40 45 27  16 24  8       59  71  0.60  22.6  13.98 -13.39N
 175 48  0  -40 51  8  16 24 31       59  70  0.59  22.6  13.95 -13.35N
 175 58  0  -40 56 49  16 24 55       60  70  0.59  22.6  13.91 -13.32N
 176  8  0  -41  2 27  16 25 19       60  70  0.58  22.5  13.87 -13.28N
 176 18  0  -41  8  3  16 25 43       60  69  0.58  22.5  13.83 -13.24N
 176 28  0  -41 13 38  16 26  7       60  69  0.58  22.4  13.80 -13.20N

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

   2349 is multiple :   3.3  5.3   0.000"    0.0 :   3.0  5.1   0.40"  249.0 :   2.8  8.4  20.0"  273.0
Graze Path of component #2  0.00km South, and 0.0 secs. earlier cf. primary.
Graze Path of component #3  0.55km North, and 0.7 secs. earlier cf. primary.
Graze Path of component #4  13.41km North, and 46.7 secs. earlier cf. primary.

   2349 = sig Sco,   2.86 to  2.94 V ,  Type BCEP,  Period 0.2468390 days,  Phase 0.78   Risetime = 3.0 hours

                Librations  Long -7.66   Lat +5.64
                            P +13.1     D -7.0
      Illumination of moon  46%-
        Elongation of Moon  85
    Vertical Profile Scale  2.02 km/arcsec at mean distance of moon
   Horizontal Scale Factor  1.49 deg/min

Limiting Magnitudes for various telescope apertures (in mm)
      CA\Tdia  50   100   150   200   250   300   350
   -17.2      3.2   4.6   5.4   5.9   6.2   6.4   6.6
   -15.2      3.2   4.6   5.4   5.9   6.2   6.4   6.6
   -13.2      3.2   4.6   5.4   5.9   6.2   6.4   6.6
   -11.2      3.2   4.6   5.4   5.9   6.2   6.4   6.6
    -9.2      3.2   4.6   5.4   5.9   6.2   6.4   6.6

Lunar Limb Profile for graze near Levin

Lunar Limb Profile