Western astrology methods

Antiscia

Antiscia explains solstitial mirror points and their exact longitude formula. Mirror longitude is 170°, or 20°♍; conjunction tolerance is evaluated afterward.

Term
Antiscia

Editorially reviewed: · Reviewed by OpenFate · Editorial Methodology

Overview

Antiscia are solstitial mirror points with equal distance from the Cancer–Capricorn axis, while contra-antiscia use the equinoctial opposition relationship. The page separates calculation from interpretation and keeps this worked result conditional: mirror longitude is 170°, or 20°♍; conjunction tolerance is evaluated afterward. Verification follows this declared method: Convert a longitude to its declared antiscion formula, normalize to 0–360°, show the mirrored sign and degree, and keep conjunction or opposition orbs separate.

At a glance

Topic
Antiscia
Method family
Antiscia · traditional and specialist methods
Case inputs
source longitude 10°♈ = 10° absolute; solstitial mirror formula 180° − λ
Measured finding
mirror longitude is 170°, or 20°♍; conjunction tolerance is evaluated afterward
School frame
Antiscia · traditional procedural method
OpenFate tools
Antiscia · knowledge reference only

Definition and exact scope

antiscia are solstitial mirror points with equal distance from the Cancer–Capricorn axis, while contra-antiscia use the equinoctial opposition relationship

Calculation or decision rule

convert a longitude to its declared antiscion formula, normalize to 0–360°, show the mirrored sign and degree, and keep conjunction or opposition orbs separate

Worked case and illustrative near miss

source longitude 10°♈ = 10° absolute; solstitial mirror formula 180° − λ. mirror longitude is 170°, or 20°♍; conjunction tolerance is evaluated afterward.

Illustrative near miss: Adding 180° gives the opposition point at 10° Libra, not the antiscion at 20° Virgo.

School and variant boundary

Tables and procedures differ by author, era, translation, and sect; the selected authority must remain visible.

Product, safety, and verification boundary

OpenFate presents Antiscia as a sourced knowledge method and does not claim a dedicated calculator or generated reading for it. Verification retains failed measurements and uncertainty, then revises interpretation rather than the receipt. Antiscia cannot diagnose a person, remove consent, or guarantee an event.

Sources and editorial basis

  1. NCGR-PAA Level II Curriculum
    Level II PDF p. 4, line 96, “Anticia and how to find it in the chart”.A professional curriculum naming sign classifications, five levels of rulership, reception, dispositors, sect, minor aspects, declination, antiscia, fixed stars, lots, and time-lord systems.
  2. Astrodienst Astrowiki: Antiscion
    Opening definition and calculation paragraphs around the Cancer–Capricorn solstitial axis and the antiscion/contra-antiscion distinction.A referenced practitioner definition of solstitial mirror points and their calculation around the Cancer–Capricorn axis.
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