Lots of fiddling with the new Kopernicus, and my stack of visual mods this morning (to figure out why I suddenly lost ~25fps...) and I finally noticed the "missing night sky" issue; I fired up a stock game (WIN x64, no special DX string [DX9?]) with scatterer-only, and confirm that it goes away when disabling the ocean refraction. It also goes away if you zoom out far enough from the active craft. Same thing happens in Space Center view (with refraction on) -- zooming *in* will make the sky