Phase angle     Brightness        Error
 (degree)   (arbitrary units) (arbit.units)
   15.0           6.67           2.86
   20.0           0.37           0.20
   25.0           0.46           0.20
   30.0           0.82           0.34
   35.0           0.80           0.32
   40.0           0.42           0.16
   45.0           0.67           0.22
   50.0           0.75           0.28
   55.0           0.74           0.26
   60.0           0.47           0.20
   65.0           0.36           0.14
   70.0           0.32           0.14
   75.0           0.43           0.16
   80.0           0.32           0.14
   85.0           0.61           0.24
   90.0           1.66           0.48
   95.0           1.59           0.44
  100.0           2.35           0.64
  105.0           2.64           0.72
  110.0           2.30           0.66
  115.0           8.55           2.74
  120.0           5.58           1.52
  125.0           4.73           1.32
  130.0           7.96           1.94
  135.0          14.25           4.10
  140.0          39.84          11.72
  145.0          70.59          19.28
  150.0          43.45          15.52
  155.0          34.86          12.32