Frontmatter
Book One
Book Two
Chapter 1 The circles and their names
Chapter 2 The obliquity of the ecliptic, the distance between the tropics, and the method of determining these quantities
Chapter 3 The arcs and angles of the intesections of the equator, ecliptic, and meridian; the derivation of the declination and right ascension from these arcs and angles, and the computation of them
Chapter 4 For every heavenly body situated outside the ecliptic, provided that the bodys latitude and longitude are known, the method of determining its declination, its right ascension, and the degree of the ecliptic with which it reaches mid-heaven
Chapter 5 The intersections of the horizon
Chapter 6 The differences in noon shadows
Chapter 7 How to derive from one another the longest day, the distance between sunrises, and the inclination of the sphere; the remaining differences between days
80.Folio 34 recto
81.Folio 34 verso
82.Folio 35 recto
83.Folio 35 verso
Table of the difference in the ascensions on an oblique sphere
Chapter 8 The hours and parts of the day and night; Chapter 9 The oblique ascension of the degrees of the ecliptic; how to determine what degree is at mid-heaven when any degree is rising
Chapter 10 The angle at which the ecliptic intersects the horizon
Chapter 11 The use of these tables; Chapter 12 The angles and arcs of those circles which are drawn through the poles of the horizon to the ecliptic
Chapter 13 The rising and setting of the heavenly bodies
Chapter 14 The investigationof the places of the stars, and the arrangement of the fixed stars in a catalogue
Book Three
Book Four
Book Five
Book Six