var	O	E
D_MAX	3.284	1.981
D_SKY	0.130	0.117
ALPHA	-0.0426988	-0.00133525
BETA	2.7158	6.6666
GAMMA	-0.164516	-0.197763
I_SKY	2.8903e-13	9.66163e-13
I_REF	2.94832e-13	5.03666e-13
I_THRESH	1.19884e-13	2.51562e-13
SEEING	2.70	2.60