In reply to RBonney:
Ive spent a lot of time on night photography during the last year, just keep getting out there and taking photos. With regards to the light in the sky.. Just go when its darker. Also useful to know that during the first hour after dark, youll still get blue tones in the sky. After that its black.. Or browny orange if a lot of streetlights and light pollution! One tip for attractive pictures with streetlights is to set your aperture right down beyond f11 and further. This will give you a cool starburst effect on the lights. Bear in mind that you will have to switch to bulb mode as your exposure will be a lot longer if your original was 30 seconds. (Changing the aperture to a higher number= less light comes in) This is where a cable release switch is essential.
With regard to capturing movement, get closer to your subject and be concsious of where the 'lines of travel' go to in the picture. Youll get some good results with roads and cars.
In very dark situations, I always use a strong torch to help me focus on the subject, (through the live view mode on the screen, very difficult through viewfinder) Then switch to manual so that the camera doesnt try to auto focus before I take the shot.
Try lightpainting, get in your shot and draw/ light up stuff with your torch. Google 'Wire Wool Orbs' and the Noctography channel on youtube to see the stuff others are doing. Enjoy!
