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Advanced Spherical Geometry Alexey Borealis

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

Advanced Time in Astrology Alexey Borealis

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

Advanced Spherical Geometry Alexey Borealis

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

Advanced Spherical Geometry Alexey Borealis

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

Advanced Spherical Geometry Alexey Borealis

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

Advanced Spherical Geometry Alexey Borealis

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

Advanced Spherical Geometry Alexey Borealis

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

Advanced House Systems Alexey Borealis

Morinus considered this system the most accurate prediction system, and we agree. Find out what the Regiomontanus house system looks like in space

Advanced House Systems Alexey Borealis

The celestial sphere is unevenly divided into parts by S-shaped curves in this system. Learn what it looks like and where the house cusps come from.

Advanced Celestial Geometry Alexey Borealis

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