This lone tree on top of a hill has always caught my attention. I had already taken some photos of this same tree during the day and decided to try a long exposure at night.
I positioned myself on the top of a hill in the distance so that I could use the compression of the 400 mm lens and at the same time have the tree at a pleasant size in the composition in addition to the star trails magnified by the 400mm focal length.
The big challenge was focusing and taking a five-minute long exposure without any camera movement. The technique resulted in a smooth and pleasant image.