Generally when it comes to photography inevitably directs our thoughts to images taken during daylight hours, with lots of light and bright colors. But it is not always the case: although many may seem unthinkable, you can create some great pictures even in low light pictures is very impressive that exploit the very little light available.
When you want to make a night photography, very important is choosing the right time, after the sunset, using the colors of the horizon, is one of those times when you can create beautiful shots, or making you "help" from the scattered light at the rising of the moon.
In this way, the sky will be illuminated with soft light on the horizon, and emphasizing contrast to the scene.
Other situations require instead the total darkness, like photographing the night skies and panoramic city lit.
To achieve this type of photographs you must use a sturdy tripod, combined with a cable release or remote control, or as simple self-timer, so you do not touch the avoiding the camera blur.
The ISO should be as low as possible, to minimize the background noise of the digital image, a great help, if you want to use higher ISO, the camera is able to activate the noise reduction, which greatly improves the quality of the final image.