Grazing Occultation of  117836 G5      Magnitude 7.2 [Red = 6.7]   
Date: 2012 Apr 03  4h 53m,  to  2012 Apr 03  5h  5m

Nominal site altitude 236m

E. Longit.   Latitude     U.T.    Sun  Moon   TanZ   PA    AA      CA
   o  '  "    o  '  "   h  m  s   Alt Alt Az          o     o      o
- 97  0  0   42  4 25   4 52 57       51 218  0.82  29.9  11.08  15.58N
- 96 45  0   41 54 41   4 53 32       51 218  0.82  29.9  11.10  15.59N
- 96 30  0   41 44 56   4 54  7       51 219  0.82  29.9  11.12  15.61N
- 96 15  0   41 35  9   4 54 43       51 220  0.82  29.9  11.14  15.63N
- 96  0  0   41 25 20   4 55 18       50 220  0.83  29.9  11.15  15.65N
- 95 45  0   41 15 29   4 55 54       50 221  0.83  30.0  11.17  15.66N
- 95 30  0   41  5 37   4 56 30       50 222  0.83  30.0  11.18  15.68N
- 95 15  0   40 55 43   4 57  5       50 222  0.83  30.0  11.20  15.69N
- 95  0  0   40 45 48   4 57 41       50 223  0.83  30.0  11.21  15.70N
- 94 45  0   40 35 51   4 58 17       50 224  0.84  30.0  11.22  15.72N
- 94 30  0   40 25 53   4 58 53       50 224  0.84  30.0  11.23  15.73N
- 94 15  0   40 15 54   4 59 30       50 225  0.84  30.0  11.24  15.74N
- 94  0  0   40  5 54   5  0  6       50 226  0.85  30.0  11.25  15.75N
- 93 45  0   39 55 52   5  0 42       50 226  0.85  30.0  11.26  15.76N
- 93 30  0   39 45 50   5  1 19       50 227  0.85  30.1  11.27  15.76N
- 93 15  0   39 35 46   5  1 55       49 228  0.86  30.1  11.28  15.77N
- 93  0  0   39 25 42   5  2 31       49 228  0.86  30.1  11.29  15.78N
- 92 45  0   39 15 37   5  3  8       49 229  0.86  30.1  11.29  15.78N
- 92 30  0   39  5 31   5  3 45       49 229  0.87  30.1  11.30  15.79N
- 92 15  0   38 55 24   5  4 21       49 230  0.87  30.1  11.30  15.79N
- 92  0  0   38 45 17   5  4 58       49 231  0.88  30.1  11.30  15.80N

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  2 meters  [Estimated]


                Librations  Long -7.38   Lat +7.12
                            P +10.37     D -8.16
      Illumination of moon  83%+
        Elongation of Moon  131
    Vertical Profile Scale  2.40 km/arcsec at mean distance of moon
   Horizontal Scale Factor  1.52 deg/min


At longitude -94.50:
Limiting Magnitudes for various telescope apertures (in cm)
      CA\Tdia   5    10    15    20    25    30    35
    11.7      5.6   7.0   7.8   8.3   8.7   8.9   9.1
    13.7      5.6   7.0   7.8   8.3   8.7   8.9   9.1
    15.7      5.6   7.0   7.8   8.3   8.7   8.9   9.1
    17.7      5.6   7.0   7.8   8.3   8.7   9.0   9.1
    19.7      5.6   7.1   7.8   8.4   8.7   9.0   9.2

------------------------------------------------------------------------------
Results of Observer Scan                                    UT
Site                              Long.   Lat.   Dist.    h  m  s
C  2 Nebraska CNE Lanning~Eugene  -95.9   40.7    59km    4 55 27
C  3 Bonner SprKS Robinson~Walte  -94.9   39.1   138km    4 57 56
C  4 Blue SprinMO Sandy~Robert L  -94.3   39.0   110km    4 59 16