This is taken by D800E's multiple exposures.10sec×3.
I wanted to see the differences between PhotoShop's blending mode: Ligten and in-camrera process.I didn't see the huge differences. Taking three 10 sec shots×3 by D800 with no subtle vibration is hard even using staple tripod. Then if you don't mind using PS or you're not process-oriented guy, I recommend to use PS for this aim. Then at least you would have three nice 10sec long exposure photos.