There are camera phones out there that can do all the work for you. The Huawei P8 is our pick of the bunch - the reviews of the camera's quality have been exceptional and the convenience of not needing a DSLR Camera makes it a win for us. Click here to learn more about the Huawei P8.
Otherwise, you can do it the old fashioned way. You'll need:
1. A DSLR Camera (with manual settings that include "Bulb") 2. A Tripod 3. A remote trigger with a lock mechanism or timer 4. At least one extra battery (Long exposure can eat up battery) 5. A lens hood or shade for your lens.
Here are 5 more from around the World for inspiration...