Brightness of the central bulge, 0..3.
Colour of the bulge (#rrggbb).
Direction of the galactic centre as [ecliptic longitude, latitude], degrees (made perpendicular to pole).
Colour of the disc (#rrggbb).
Scale of the clouds and lanes: larger = finer structure.
Strength of the dark dust lanes, 0..1.
Draw it.
Overall brightness.
Galactic north pole as [ecliptic longitude, latitude], degrees. The default is the real one.
Angular half-width of the band, degrees.
Milky Way settings. Plain JSON.