Predictions for Grazing Occultation of ZC 2963, 2009 Jun 11

Grazing Occultation of    2963WK2      Magnitude 5.3 [Red = 4.6]   
   R2963 = sigma Capricorni
Date: 2009 Jun 11 12h 52m,  to  2009 Jun 11 13h 18m

Nominal site altitude 5m

E. Longit.   Latitude     U.T.    Sun  Moon   TanZ   PA    AA      CA
   o  '  "    o  '  "   h  m  s   Alt Alt Az          o     o      o
 147  0  0  -26 23  3  13  5 53       33  96  1.52 345.6 357.22   1.00N
 147 30  0  -26 27 21  13  6 37       34  96  1.49 345.4 357.07   1.15N
 148  0  0  -26 31 28  13  7 22       35  96  1.45 345.3 356.92   1.29N
 148 30  0  -26 35 26  13  8  7       35  96  1.42 345.1 356.77   1.45N
 149  0  0  -26 39 12  13  8 54       36  95  1.39 345.0 356.62   1.60N
 149 30  0  -26 42 49  13  9 41       36  95  1.36 344.8 356.46   1.76N
 150  0  0  -26 46 14  13 10 29       37  95  1.33 344.6 356.30   1.92N
 150 30  0  -26 49 29  13 11 18       38  94  1.30 344.5 356.14   2.08N
 151  0  0  -26 52 32  13 12  8       38  94  1.27 344.3 355.97   2.24N
 151 30  0  -26 55 25  13 12 59       39  94  1.24 344.1 355.80   2.41N
 152  0  0  -26 58  6  13 13 51       40  93  1.21 344.0 355.63   2.58N
 152 30  0  -27  0 35  13 14 44       40  93  1.18 343.8 355.46   2.76N
 153  0  0  -27  2 53  13 15 38       41  93  1.16 343.6 355.28   2.93N
 153 30  0  -27  4 59  13 16 33       41  92  1.13 343.4 355.10   3.12N
 154  0  0  -27  6 52  13 17 29       42  92  1.10 343.3 354.92   3.30N
 154 30  0  -27  8 34  13 18 26       43  92  1.08 343.1 354.73   3.49N

Path coordinates are referred to WGS84 (as used by GPS), with the
nominal site altitude being referenced to Mean Sea Level.

Projected diameter of star  5 meters

      2963 is double: 
     AB  5.4  9.4 57" 179.4  Graze path of B 97.49 km north, and 33.0 secs earlier compared to A

                Librations  Long -1.47   Lat -0.22
                            P +357.92     D +0.53
      Illumination of moon  87%-
        Elongation of Moon  138
    Vertical Profile Scale  1.86 km/arcsec at mean distance of moon
   Horizontal Scale Factor  1.51 deg/min


At longitude 144.50:
Limiting Magnitudes for various telescope apertures (in cm)
      CA\Tdia   5    10    15    20    25    30    35
    -3.7      2.5   3.9   4.6   5.0   5.3   5.4   5.6
    -1.7      2.5   3.9   4.6   5.0   5.3   5.4   5.6
     0.3      2.5   3.9   4.6   5.0   5.3   5.4   5.6
     2.3      2.5   3.9   4.6   5.0   5.3   5.4   5.6
     4.3      3.6   5.0   5.7   6.1   6.4   6.6   6.7


Lunar Limb Profile - Brisbane

Lunar Limb Profile