Some sites provide some basic lighting calculators, which are good tools for basic budgetary calculations based on light levels needed when you provide some basic data about the light you might use. It is NOT a replacement for a lighting plan. We would never use an LED lighting layout ...
— Second, there was a very relevant comment inside the shader, that said that the art controls for in-scattering should be different than those for out-scattering. Duplicating these constants is indeed the only way to get correct sunset lighting AND realistic blueish tint at the horizon. than...