[21twelve]

Thanks for the write-up and photos. Back in college (1983)in surveying (engineering) class we had to plot positions using solar positions. There was some calculation that had to be made out to a ridiculous number of significant figures - and it involved some trick using the old HP calculators at the time that could only get you to 11(?) sig figs and we needed 24. I thought it pretty amazing to do all the various calculations and still be so close to where we actually were.

[poconopundit]

I agree, the end result is somewhat magical. But once you get the hang of shooting the stars, it’s a rather simple task.

The magic comes from accurately measuring the movements of the stars and giving a hat tip to Galileo.