Visibility Doctrine

Visibility reference material with reviewed sources and calculation context.

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Definition

Visibility doctrine is a reference page for observed condition material represented by cited cited materials.

8 source texts support this doctrine page.

Sources

Abu Ma'shar. (2010). The Great Introduction to the Science of the Judgments of the Stars (Benjamin N. Dykes, Trans.).
Chris Brennan. (2017). Hellenistic Astrology: The Study of Fate and Fortune.
Chris Brennan. (2017). Hellenistic Astrology: The Study of Fate and Fortune.
Claudius Ptolemy. (1940). Tetrabiblos (F. E. Robbins, Trans.).
Demetra George. (2019). Ancient Astrology in Theory and Practice, Volume 1.
Demetra George. (2019). Ancient Astrology in Theory and Practice, Volume 1.
Demetra George. (2022). Ancient Astrology in Theory and Practice, Volume 2.
Demetra George. (2022). Ancient Astrology in Theory and Practice, Volume 2.

TopicObserved condition

TraditionsHellenistic, Medieval Arabic/Persian, Modern/Contemporary

AuthorsAbu Ma'shar, Chris Brennan, Claudius Ptolemy, Demetra George

Source notes

This page gathers source context for chart conditions that are observed as bounded astrological events.
1 reviewed rule connect this doctrine to source-backed chart interpretation.
8 source texts support this reference page.

Documented rules

1 documented rules in 1 sections

Section

Impediment

1 documented rule with 5 listed sources.

Source texts

Visibility impediment in planetary condition

Multi-sourcenormalized condition bundleimplemented

Solar visibility problems are preserved as an impairing condition component even when other ingredients are favorable.

Rule sources

Citation locator index

Each reviewed locator used by this doctrine appears once below. Rule cards link to the supporting source text without repeating the full locator inventory.

The Great Introduction to the Science of the Judgments of the Stars — Abu Ma'shar
- 26
- 46
- 80
Hellenistic Astrology: The Study of Fate and Fortune — Chris Brennan
Hellenistic Astrology: The Study of Fate and Fortune — Chris Brennan
- 105
- 123
- 42
- 43
- 73
- 85
- 95
Tetrabiblos — Claudius Ptolemy
- 44
- 49
- 57
- 73
- 79
- 81
Ancient Astrology in Theory and Practice, Volume 1 — Demetra George
Ancient Astrology in Theory and Practice, Volume 1 — Demetra George
- 42
Ancient Astrology in Theory and Practice, Volume 2 — Demetra George
Ancient Astrology in Theory and Practice, Volume 2 — Demetra George
- 105
- 126
- 43
- 47
- 75
- 91
- 94