Tag Archives: angular diameter

When is a planet in a sign? The strange ideas of Abu Ma’shar.

Recently I’ve been reading Ben Dykes translation of Abu Ma’shar’s Great Introduction to the Science of the Judgements of the Stars (Cazimi Press, 2020). Many of Ma’shar’s ideas have caused me to re-evaluate my own understanding of some basic concepts. … Continue reading

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Angular Diameter, Sect, the 5-degree rule and the Aries Ingress

Modern practitioners of Hellenistic astrology have noticed that when the Sun is very close to the Ascendant, it can sometimes be difficult to judge the sect (diurnal or nocturnal) of a chart when delineating it using Hellenistic methods. Technically speaking, … Continue reading

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