Phase angle	Brightness	Error
(degree)    (arbitrary units)	(arbitrary units)
10		11.9		5.5
15		5.06		1.3
17		14.1		3.1
20		19.74		4.1
25		5.74		1.4
30		12.03		2.7
40		3.52		0.8
50		8.34		1.8
60		6.82		1.7
70		4.1		0.9
80		9.98		2.1
90		5.45		1.3
100		13.96		2.8
110		8.15		2.1
120		5.26		1.1
130		9.57		1.9
140		14.37		2.6
150		16.96		4.1