An Astronomy Tutorial

  I've been skimming through a hundred year old tutorial on Astronomy by Barlow & Bryan, Elementary Mathematical Astronomy, which touches on some relevant topics for observing the equinoxes and solstices and the study of Ptolemy's observations.

determining the meridian line

latitude by observation

longitude by observation

Obliquity of the Ecliptic

Lengths of Morning and Afternoon

precession of the equinoxes

First Point of Aries

Motion of the Apse Line

Effect of Precession on the Climate

correction for refraction

correction for latitude

personal equation

elimination of personal equation