Milky Way radiance along a unit star-frame direction cel, plus band (0..1 closeness to the galactic plane, used to crowd faint stars into it).
cel
band
Bulge brightness.
Bulge colour (linear).
Disc colour (linear).
Noise frequency multiplier.
Dust lane strength.
Star frame → galactic frame.
Brightness (0 = off).
Seeded noise offset.
Band half-width, radians.
Milky Way radiance along a unit star-frame direction
cel, plusband(0..1 closeness to the galactic plane, used to crowd faint stars into it).