Grazing Occultation of   92231 K5      Magnitude 8.4 [Red = 7.8]   
Date: 2009 May 21  9h 54m,  to  2009 May 21  9h 59m

Nominal site altitude 250m

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   38 39 20   9 54  8       11  83  5.35 332.1 354.25  10.15N
- 96 45  0   38 45 47   9 54 19       11  84  5.23 332.1 354.20  10.20N
- 96 30  0   38 52 19   9 54 31       11  84  5.11 332.0 354.16  10.24N
- 96 15  0   38 58 57   9 54 42       11  84  5.00 332.0 354.12  10.28N
- 96  0  0   39  5 40   9 54 54       12  84  4.89 332.0 354.08  10.32N
- 95 45  0   39 12 28   9 55  6       12  84  4.79 331.9 354.04  10.36N
- 95 30  0   39 19 22   9 55 19  -12  12  85  4.69 331.9 354.00  10.40N
- 95 15  0   39 26 21   9 55 31  -12  12  85  4.59 331.8 353.96  10.44N
- 95  0  0   39 33 26   9 55 44  -11  13  85  4.50 331.8 353.92  10.48N
- 94 45  0   39 40 36   9 55 57  -11  13  85  4.41 331.8 353.89  10.52N
- 94 30  0   39 47 52   9 56 11  -11  13  85  4.32 331.7 353.85  10.56N
- 94 15  0   39 55 14   9 56 25  -11  13  86  4.24 331.7 353.81  10.59N
- 94  0  0   40  2 41   9 56 39  -10  14  86  4.16 331.6 353.77  10.63N
- 93 45  0   40 10 14   9 56 53  -10  14  86  4.08 331.6 353.73  10.67N
- 93 30  0   40 17 53   9 57  8  -10  14  86  4.01 331.6 353.69  10.71N
- 93 15  0   40 25 38   9 57 22  -10  14  87  3.94 331.5 353.65  10.75N
- 93  0  0   40 33 28   9 57 38   -9  14  87  3.87 331.5 353.61  10.79N
- 92 45  0   40 41 25   9 57 53   -9  15  87  3.80 331.4 353.57  10.83N
- 92 30  0   40 49 28   9 58  9   -9  15  87  3.74 331.4 353.54  10.87N
- 92 15  0   40 57 36   9 58 25   -9  15  88  3.67 331.4 353.50  10.90N
- 92  0  0   41  5 51   9 58 41   -8  15  88  3.61 331.3 353.46  10.94N

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


                Librations  Long -6.27   Lat -5.61
                            P +354.49     D +6.51
      Illumination of moon  12%-
        Elongation of Moon  41
    Vertical Profile Scale  3.64 km/arcsec at mean distance of moon
   Horizontal Scale Factor  2.04 deg/min


At longitude -94.50:
Limiting Magnitudes for various telescope apertures (in cm)
      CA\Tdia   5    10    15    20    25    30    35
     6.6      5.0   6.4   7.2   7.6   7.9   8.2   8.3
     8.6      5.1   6.5   7.2   7.7   8.0   8.2   8.3
    10.6      6.0   7.5   8.3   8.8   9.1   9.4   9.6
    12.6      6.0   7.5   8.3   8.8   9.2   9.4   9.6
    14.6      6.1   7.5   8.3   8.9   9.2   9.5   9.7


Results of Observer Scan                                    UT
Site                              Long.   Lat.   Dist.    h  m  s
Bonner Springs                    -94.9   39.1    52km    9 55 50
PowellObs                         -94.7   38.6    99km    9 56  1
Blue Springs                      -94.3   39.0    79km    9 56 20
Warrensburg Missouri              -93.8   38.8   123km    9 56 52
Deepwater MO                      -93.7   38.2   184km    9 56 54