Phase angle	Brightness		
(degree)	(arbitrary units)	
5		0.16375
10		0.015
15		0.0225
20		0.02625
25		0.03625
30		0.03375
40		0.02625
50		0.02125
60		0.04
70		0.0475
80		0.0325
90		0.02875
100		0.03875
110		0.05
120		0.085
130		0.04875
140		0.15875
150		0.36
160		0.55375
165		0.415