This page shows the paths of the sun and moon as a plot
vs. altitude over a day starting at local midnight.
Jean Meeus' simplified algorithm for the moon position.
estimates accuracy at 10° arc-seconds in longitude and 4°
arc-seconds in latitude.
All implementation mistakes are mine.
I get good results for an eclipse I
observed on .
I have been trying some of the ones I find on the List
of solar eclipses in the 21st century I found have a
problem with latitudes near the Earth's axial tilt.
On solar eclipse for Dec 26, 2019, for example,
the path plot starts to distort from