That's awesome! I have a question: how did you solve the camera angle problem that causes some serious distortion and throws off the sextant reading? I have fiddled with the camera settings for a while, and when I managed to have Polaris in the correct postition on 60°N, it was way off at, say, 20°N, and vice versa! I tested everything between 60° and 75° view angle, and 73° seemed to work best, but still not precise enough! Finally I gave up on it. But now I am really curious!
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