Primary Direction in Placidus System
A complete guide for astrologers: calculating a primary direction in Placidus house system with math formulas.
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Primary Direction Calculation
Practical notes, formulas and real-chart analyses from Alexey Borealis on Primary Direction Calculation — predictive astrology without the jargon.
A Circle of Mundane Aspects
Once it comes to primary directions, we need to observe the circle of aspects that doesn't coincide with the ecliptic.
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Mundane Position in the Placidus System
Equation of the mundane position of a planet from its right ascension and declination in Placidus house system.
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