The number one rule of night scenes is stability. A heavy, sturdy tripod is a great start. If you have a cheap flimsy tripod, invest a few bucks in sand bags and stabilize it like you’re ready for hurricane season. A cable release (or “remote switch”) is highly recommended, since pressing the button to take the picture is often the main source of camera shake and, ultimately, blur. If you don’t have a remote switch for your camera, put your camera in timer mode so the shutter will release a few seconds after you press the button. Canon wised up and added a 2 second timer mode on their newer cameras for this purpose so you don’t have to wait the full ten seconds every time you want a stable release.
Get more tips for night photography
http://digital-photography-school.com/night-photography
http://www.photographytalk.com/photo...g-night-scenes