I am not sure where I saw this technique mentioned first, it might have been: Build cheap panning camera mounts for time lapse photography, but there are plenty of other links: stop motion pano ikea timer – Google Search

Pretty simple idea, you use a cheap ikea kitchen timer with some stop motion app, I used iMotion HD.

The above is notΒ a very long one, the midges made it pretty short. Here is the setup:

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