Category "Mathematics of the Celestial Sphere" Page 1/2

Primary Direction Calculation Mark Rusborn
A complete guide for astrologers: calculating a primary direction in the Placidus house system with mathematical formulas.
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Primary Direction Calculation Марк Русборн
A complete guide for astrologers on how to calculate a primary direction in the Regiomontanus house system with math formulas.
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Primary Direction Calculation Mark Rusborn
Antiscia is a point symmetrical to the planet's degree. But if the planet deviates from the ecliptic, it has two antisсia. Let's illustrate it.
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Primary Direction Calculation Mark Rusborn
The main question in primary directions is which plane to use for aspects. It is not the equator or the ecliptic. Let's explore the right approach.
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Primary Direction Calculation Mark Rusborn
Planets conjunct each other spatially when their mundane positions coincide. What is it, and how can it be calculated? Learn more from this article.
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Primary Direction Calculation Mark Rusborn
What does the spatial connection of two planets look like in the Placidus house system? Get acquainted with the equations of mundane positions.
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The cusps of houses in the Placidus system cannot be calculated analytically. Moreover, numerical methods do not work at extreme latitudes either.
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The house cusp in the Regiomontanus system is the intersection of the major circle of position with the zodiacal plane. Here are the formulas.
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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.
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Morinus considered this system the most accurate prediction system, and we agree. Find out what the Regiomontanus house system looks like in space
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