I don't know what N3V did to the lighting, it is awful. They are supposed to be releasing the updated version some time soon; but I am not holding my breath.Thanks Ian. With Bob Cooper's Cornish mainline route I have the sun set to almost being black and the ambient colour to a slight shade of green (yes really). Seems to work well and it certainly got rid of the sun's just gone supernova look that TS2019 tends to have.
With my WIP Broad Gauge route I'm presently building it in TS2012, but should I decide to upload it to the DLS I will do a TS2019 version as well.
Regards
Bob