This was barely touched in Photoshop because it actually looked this way overnight. The clouds are lit by post-midnight full moon light. Long exposure helps, but to the eye, this is pretty close to how it looked. Seriously incredible!
Camera: Canon EOS 50D Lens: Canon EF 16-35mm f2.8 Light: Moonlight ISO: 400 Exposure: f5.6 @ 15 sec.