80.0	[deg]	orientation of the spectrometer (zenith angle)
4	[km]	distance to the light source
70	[deg]	shielding zenith angle (blocks horizontal light from the city)
0.1	[-]	aerosol optical depth at reference wavelength
0.5	[um]	reference wavelength for the aerosol optical depth
1.3	[-]	Angstrom exponent
0.7	[-]	Coefficient of assymetry (typically 0.6-0.9)
2	[km]	characteristic height of the aerosol layer (typically 1-2 km)
8	[km]	characteristic height of the molecular atmposphere (8 km usually)
1e1	[-]	scaling factor of the corrected spectrum	
