Grazing Occultation of     541cB8      Magnitude 3.9 [Red = 3.9]   
   R541 = Maia = 20 Tauri
Date: 2009 Aug 14  9h 16m,  to  2009 Aug 14  9h 25m

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   37 19 57   9 16  2       44  91  1.02 339.2 352.70   8.70N
- 96 45  0   37 29 30   9 16 30       45  91  1.01 339.3 352.72   8.68N
- 96 30  0   37 39  2   9 16 57       45  92  1.00 339.3 352.74   8.66N
- 96 15  0   37 48 32   9 17 24       45  92  0.99 339.3 352.77   8.64N
- 96  0  0   37 58  0   9 17 51       46  93  0.98 339.3 352.79   8.61N
- 95 45  0   38  7 26   9 18 19       46  93  0.97 339.4 352.82   8.59N
- 95 30  0   38 16 50   9 18 46       46  93  0.96 339.4 352.84   8.56N
- 95 15  0   38 26 12   9 19 13       46  94  0.95 339.4 352.87   8.54N
- 95  0  0   38 35 32   9 19 41       47  94  0.95 339.4 352.89   8.51N
- 94 45  0   38 44 49   9 20  9       47  95  0.94 339.5 352.92   8.48N
- 94 30  0   38 54  4   9 20 36       47  95  0.93 339.5 352.95   8.46N
- 94 15  0   39  3 17   9 21  4       47  95  0.92 339.5 352.98   8.43N
- 94  0  0   39 12 27   9 21 32       48  96  0.91 339.5 353.01   8.40N
- 93 45  0   39 21 35   9 21 59       48  96  0.90 339.6 353.04   8.37N
- 93 30  0   39 30 41   9 22 27       48  97  0.89 339.6 353.07   8.34N
- 93 15  0   39 39 44   9 22 55       48  97  0.89 339.6 353.10   8.31N
- 93  0  0   39 48 45   9 23 23       49  98  0.88 339.7 353.13   8.27N
- 92 45  0   39 57 43   9 23 51       49  98  0.87 339.7 353.16   8.24N
- 92 30  0   40  6 38   9 24 18       49  98  0.86 339.7 353.19   8.21N
- 92 15  0   40 15 31   9 24 46       50  99  0.85 339.8 353.23   8.18N
- 92  0  0   40 24 21   9 25 14       50  99  0.85 339.8 353.26   8.14N

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  1 meters

       541 is double: AB  4.4  5.4 0.003"  69.0

                librations  long -5.62   lat -5.44
                            p +353.50     d +6.35
      illumination of moon  43%-
        elongation of moon  82
    vertical profile scale  2.09 km/arcsec at mean distance of moon
   horizontal scale factor  1.66 deg/min


at longitude -94.50:
limiting magnitudes for various telescope apertures (in cm)
      ca\tdia   5    10    15    20    25    30    35
     4.5      5.9   7.3   8.1   8.7   9.0   9.3   9.5
     6.5      5.9   7.3   8.2   8.7   9.1   9.3   9.6
     8.5      5.9   7.4   8.2   8.7   9.1   9.4   9.6
    10.5      5.9   7.4   8.2   8.7   9.1   9.4   9.6
    12.5      5.9   7.4   8.2   8.7   9.1   9.4   9.6


results of observer scan                                    ut
site                              long.   lat.   dist.    h  m  s
bonner springs                    -94.9   39.1    35km    9 19 53
powellobs                         -94.7   38.6    12km    9 20 14
blue springs                      -94.3   39.0     3km    9 20 54
warrensburg missouri              -93.8   38.8    46km    9 21 57
deepwater mo                      -93.7   38.2   104km    9 22  1