Predictions for Grazing Occultation of ZC 1030, 2009 Oct 10

Grazing Occultation of    1030WA3      Magnitude 3.1 [Red = 2.3]  s
   R1030 = Mebsuta = epsilon Geminorum
Date: 2009 Oct 10 18h 39m,  to  2009 Oct 10 18h 40m

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
 142  0  0  -41 41 58  18 54 27  -11  22  16  2.51 190.3 187.37   6.19S
 142 30  0  -41 45 45  18 55 33  -10  22  15  2.50 190.5 187.53   6.36S
 143  0  0  -41 50  5  18 56 39  -10  22  14  2.49 190.6 187.70   6.52S
 143 30  0  -41 54 59  18 57 45   -9  22  13  2.48 190.8 187.86   6.69S
 144  0  0  -42  0 27  18 58 52   -9  22  13  2.47 191.0 188.03   6.85S
 144 30  0  -42  6 29  18 59 58   -8  22  12  2.47 191.1 188.19   7.02S
 145  0  0  -42 13  5  19  1  5   -7  22  11  2.47 191.3 188.35   7.18S
 145 30  0  -42 20 14  19  2 12   -7  22  10  2.47 191.5 188.52   7.34S
 146  0  0  -42 27 58  19  3 19   -6  22  10  2.48 191.6 188.67   7.50S
 146 30  0  -42 36 16  19  4 25   -6  22   9  2.48 191.8 188.83   7.65S
 147  0  0  -42 45  7  19  5 32   -5  22   8  2.49 191.9 188.99   7.81S
 147 30  0  -42 54 33  19  6 38   -4  22   7  2.50 192.1 189.14   7.96S
 148  0  0  -43  4 31  19  7 44   -4  22   7  2.51 192.2 189.29   8.11S
 148 30  0  -43 15  3  19  8 50   -3  22   6  2.53 192.4 189.43   8.26S
 149  0  0  -43 26  8  19  9 55   -3  21   5  2.54 192.5 189.57   8.40S
 149 30  0  -43 37 45  19 11  0   -2  21   4  2.56 192.7 189.71   8.54S
 150  0  0  -43 49 55  19 12  4   -1  21   4  2.58 192.8 189.85   8.67S
 150 30  0  -44  2 36  19 13  8   -1  21   3  2.61 192.9 189.98   8.81S
 151  0  0  -44 15 49  19 14 11    0  21   2  2.64 193.1 190.11   8.93S
 151 30  0  -44 29 33  19 15 13    0  21   1  2.66 193.2 190.23   9.06S
 152  0  0  -44 43 48  19 16 14    1  20   1  2.70 193.3 190.35   9.18S
 152 30  0  -44 58 33  19 17 15    1  20 360  2.73 193.4 190.47   9.29S
 153  0  0  -45 13 47  19 18 14    2  20 359  2.77 193.5 190.58   9.40S

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  39 meters

      1030 = NSV 03183, 2.97 to 3.09V
      1030 is double: 
      AB  3.0  9.2 111"  94.0  Graze path of B 97.01 km south, and 267.3 secs later compared to A

                Librations  Long -1.90   Lat -2.76
                            P +190.97     D -2.09
      Illumination of moon  57%-
        Elongation of Moon  97
    Vertical Profile Scale  4.93 km/arcsec at mean distance of moon
   Horizontal Scale Factor  1.46 deg/min


At longitude 154.50:
Limiting Magnitudes for various telescope apertures (in cm)
      CA\Tdia   5    10    15    20    25    30    35
     5.7      2.9   4.2   4.8   5.2   5.4   5.5   5.6
     7.7      2.9   4.2   4.8   5.2   5.4   5.5   5.6
     9.7      2.9   4.2   4.8   5.2   5.4   5.5   5.6
    11.7      2.9   4.2   4.8   5.2   5.4   5.5   5.6
    13.7      2.9   4.2   4.8   5.2   5.4   5.5   5.6


Lunar Limb Profile - Hobart

Lunar Limb Profile