That fireball slicing through this photograph is a meteor. The photographer was trying to capture the Orion nebula, seen in the upper left, and the long exposure happened to capture this meteor as well. The orangey zigzag is what's known as a persistent train -- atoms in the Earth's atmosphere reacting to having electrons knocked away by the meteor. It's shaped that way because the wind actually blew it around during the long exposure. (You can see a gif of it here.)
The large star on the right is Rigel, the blue giant on the hunter's knee.
Image Credit and Copyright: Ivo Scheggia
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