var	O	E
D_MAX	1.839	1.938
D_SKY	0.270	0.218
ALPHA	-0.0531986	-0.0128314
BETA	2.64004	4.12201
GAMMA	-0.159358	-0.174917
I_SKY	4.4214e-13	9.36324e-13
I_REF	2.83388e-13	5.13486e-13
I_THRESH	1.22012e-13	2.40398e-13
SEEING	2.70	2.70