We get so used to seeing the three stars of the belt as points of light but seldom as star trails or as clear as this shot of yours. As a backyard astronomer for a number of years I can say with authority that you did an excellent job with this. And luckily it was a completely still night -- otherwise that tree would be fuzzy from the long exposure. The only thing I would have suggested would be to crop to just above the bright yellow structure at the bottom, making this image a pano of mostly sky.
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