Grazing Occultation of  183789 A2      Magnitude 7.8 [Red = 7.7]   
Date: 2009 Mar 16  9h 41m,  to  2009 Mar 16  9h 51m

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   39  5 29   9 41  6       24 166  2.27 199.6 186.46   4.49S
- 96 45  0   38 54 36   9 41 34       24 166  2.24 199.6 186.43   4.46S
- 96 30  0   38 43 47   9 42  2       24 166  2.22 199.6 186.40   4.43S
- 96 15  0   38 33  1   9 42 30       25 167  2.19 199.6 186.37   4.39S
- 96  0  0   38 22 18   9 42 59       25 167  2.17 199.5 186.34   4.36S
- 95 45  0   38 11 38   9 43 27       25 167  2.15 199.5 186.30   4.32S
- 95 30  0   38  1  2   9 43 56       25 168  2.12 199.5 186.27   4.29S
- 95 15  0   37 50 30   9 44 26       25 168  2.10 199.4 186.23   4.25S
- 95  0  0   37 40  2   9 44 56       26 168  2.08 199.4 186.19   4.21S
- 94 45  0   37 29 38   9 45 25       26 169  2.06 199.3 186.15   4.17S
- 94 30  0   37 19 17   9 45 56       26 169  2.04 199.3 186.10   4.12S
- 94 15  0   37  9  1   9 46 26       26 169  2.02 199.2 186.06   4.08S
- 94  0  0   36 58 49   9 46 57       27 170  2.00 199.2 186.01   4.03S
- 93 45  0   36 48 42   9 47 28       27 170  1.98 199.1 185.96   3.98S
- 93 30  0   36 38 39   9 47 59       27 171  1.96 199.1 185.91   3.93S
- 93 15  0   36 28 40   9 48 31       27 171  1.94 199.0 185.86   3.88S
- 93  0  0   36 18 46   9 49  3       27 171  1.93 199.0 185.81   3.83S
- 92 45  0   36  8 58   9 49 35       28 172  1.91 198.9 185.75   3.77S
- 92 30  0   35 59 14   9 50  7       28 172  1.89 198.9 185.69   3.71S
- 92 15  0   35 49 35   9 50 40       28 172  1.88 198.8 185.63   3.65S
- 92  0  0   35 40  1   9 51 12       28 173  1.86 198.8 185.57   3.59S

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


                Librations  Long +4.45   Lat +6.94
                            P +186.69     D +6.68
      Illumination of moon  71%-
        Elongation of Moon  115
    Vertical Profile Scale  3.42 km/arcsec at mean distance of moon
   Horizontal Scale Factor  1.26 deg/min


At longitude -94.50:
Limiting Magnitudes for various telescope apertures (in cm)
      CA\Tdia   5    10    15    20    25    30    35
     0.1      2.7   4.1   4.8   5.2   5.4   5.6   5.7
     2.1      4.3   5.7   6.5   6.9   7.2   7.4   7.5
     4.1      4.5   5.9   6.6   7.1   7.4   7.6   7.7
     6.1      5.0   6.5   7.2   7.6   7.9   8.1   8.3
     8.1      5.3   6.7   7.5   7.9   8.2   8.5   8.6


Results of Observer Scan                                    UT
Site                              Long.   Lat.   Dist.    h  m  s
Warrensburg Missouri              -93.8   38.8   169km    9 47 26
Deepwater MO                      -93.7   38.2   118km    9 47 29