I love these barn-door tracker builds. I did one myself and did some fun high school math along the way to do tangent corrections in software. Fun times. [1] [

I love these barn-door tracker builds. I did one myself and did some fun high school math along the way to do tangent corrections in software. Fun times. [1] [1] https://partofthething.com/thoughts/making-a-cheap-and-simple-barn-door-star-tracker-with-software-tangent-correction-for-astrophotography/ https://partofthething.com/thoughts/making-a-cheap-and-simpl...