House Cusps in Placidus System
What is the mathematical equation for calculating the house cusps in the Placidus house system? For prof. astrologers
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House Systems
Practical notes, formulas and real-chart analyses from Alexey Borealis on House Systems — predictive astrology without the jargon.
Regiomontanus System Explained
What is the circle of position, mundane position, and conjunction with the cusp in the Regiomontanus house system?
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Placidus House System Explained
What is the curve of planetary position, mundane position, and conjunction with the cusp in the Placidus house system?
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