Category "Spherical Geometry" Page 1/1

Spherical Geometry Mark Rusborn

In calculating primary directions, it is necessary to know how the right ascension and declination of any degree of any zodiac sign are related.

Spherical Geometry Mark Rusborn

The basis of any horoscope is the Ascendant and Midheaven degrees. In this article, we will derive the formulas for calculating these degrees.

Spherical Geometry Mark Rusborn

We use the so-called sidereal time expressed in degrees when calculating primary directions. What are sidereal time and its connection with degrees?

Spherical Geometry Mark Rusborn

An essential concept in primary directions is the ascension difference. Learn how to calculate this value. This article is for prof. astrologers.

Spherical Geometry Mark Rusborn

Astrologers must convert zodiacal coordinates to ecliptic coordinates and vice versa when calculating primary directions. Let's derive these formulas.

Spherical Geometry Mark Rusborn

Spherical triangle equations are the foundation of mathematical work for an astrologer-forecaster. We will derive these functional equations here.

Spherical Geometry Mark Rusborn

These equations express the coordinates of the planet in various spherical coordinates and provide a basis for calculating primary directions.

Spherical Geometry Mark Rusborn

Acquaintance with the primary directions begins with an understanding of the basics of celestial geometry. Learn the basic concepts of 3D astrology.

Spherical Geometry Mark Rusborn

These basic formulas are needed to understand the subsequent calculations of the primary directorates. Read it if you use this method.