pivot values for each lensflare sprite:

01	-0.139
02	-0.100
03	0	(sun)
04	0.239
05	0.283
06	0.326
07	0.347
08	0.369
09	0.413
10	0.443
11	0.478
12	0.499
13	0.564
14	0.629
15	0.652
16	0.686
17	0.695
18	0.716
19	0.825
20	0.827
21	1