The Correctly Established Doctrine of Brahma, Volume 2 (1966) - Page 11


Calculation of the Sighrocca The "fast apex" or point of highest velocity in planetary models for Jupiter and Venus	108
Calculation of the apogee for Saturn and the Moon	114
Calculation of the Lunar Nodes and the positions of planets on a desired day	117
Calculations for a specific desired time	120
Determining the elapsed time of the Kali Yuga The current cosmic age in Hindu chronology	121
Understanding the difference between the beginning of the month of Chaitra and the solar sunrise	124
Calculating the mean positions at the time of sunrise	128
Discussion on Beeja corrections Observational corrections applied to traditional parameters to ensure accuracy	130
Review of Aryabhata's statements regarding the Lunar apogee and nodes	134

2. Chapter on True Positions (140–255)


The purpose of calculating true positions Moving from mean mathematical averages to the actual observed positions in the sky	140
Explanation of Sines and Versed Sines	140
Calculation of the Sine of an arc	149
Calculation of the arc from a Sine	151
Definitions of the Manda slow/anomaly and Sighra fast/conjunction centers, and their Sines and Cosines	155
Calculation of the corrected circumferences	159
The meaning of the true positions of the Sun and the Moon	178
Critique of Aryabhata's method of calculating true positions as being incorrect	180
Degrees of the Manda epicycle for correcting the Sun and Moon	181
Calculation of corrected circumferences at a desired zenith distance	184
Positive and negative values of the equation of center	185
Special considerations in the correction of the Sun and Moon	187
The time of zenith distance for the Sun and Moon during an eclipse	192
Explanation of the zenith distance correction by another method	194
The correction for the equation of time and true motion	197
The effect on the motion of the Sun and Moon due to zenith distance	199
Practical calculation of the true positions of the Sun and Moon for daily use	202
Reasons for calculating the true positions of Mars and other planets	203
Correcting the degrees of the Manda and Sighra epicycles for Mars and other planets	203
Explanation of the corrected mean motion of the planets	210
To whom the knowledge of true positions should be given	220
Discussion of the errors made by Aryabhata and others	220
The Sighra anomaly degrees at the start of retrograde motion for Mars and other planets	221
Definitions of retrograde, extremely retrograde, and somewhat retrograde motions	229