Fixed Star Conjunctions

Definition

A fixed-star conjunction is when a fixed star sits at almost the same zodiac longitude as a planet, chart-angle, or Lot in a birth or transit chart. Astrologers read the star's traditional nature as colouring or sharpening whatever the planet stands for. The orbs are kept tight — usually 0.5° to 1° for prominent stars, up to 2° for the four Royal Stars Aldebaran, Regulus, Antares, and Fomalhaut — and the reading is backed up by parallel-of-declination matching for stars that lie well off the ecliptic.

In Tradition

In the Hellenistic and Arabic-medieval doctrine set out by Ptolemy's Tetrabiblos I.9, Hephaestio of Thebes' Apotelesmatika, Al-Biruni's Kitāb al-Tafhīm, and the Hermetic 15-fixed-stars corpus, each fixed star is given a planetary nature — Aldebaran "of the nature of Mars," Regulus "of Mars and Jupiter" — and a planet conjunct it takes on a blended meaning. The modern groundwork is Robson's Fixed Stars and Constellations in Astrology (1923); contemporary practitioners include Brady, Hoover, and Diana Rosenberg.

In Practice

To use this, you place the fixed stars on the chart by zodiac longitude or by parallel-of-declination, find any natal planet, angle, or Lot within 0.5° to 1° orb (2° for the Royal Stars), look up the star's traditional planetary nature and its mythic associations, and fold these in as an intensifying or qualifying note on whatever the conjunct planet signifies. The talismanic-magic practice descended from the Hermetic 15-fixed-stars corpus and the Picatrix uses an election timed to the star's first dawn rising, or its rising at the Ascendant, under a favourable Moon-aspect, then engraves the star's matching set of stone and herb onto a metal ring — following Agrippa's Three Books of Occult Philosophy I.47 — for empowerment work. Parallel-aspect by declination is checked for stars high off the ecliptic, such as Sirius, Vega, and Algol.

Historical Origin

Fixed-star natures are attested in Ptolemy's Tetrabiblos I.9 (2nd century CE Greek), Hephaestio's Apotelesmatika I.3 (5th century CE Greek), and Al-Biruni's Kitāb al-Tafhīm §164-167 (1029 CE Arabic; Wright 1934 translation). The Behenian 15-fixed-stars magical corpus appears in the medieval Latin Hermetic manuscript Liber Hermetis de XV Stellis, carried forward via Agrippa's Three Books of Occult Philosophy (1531-1533). Modern systematisation: Robson's The Fixed Stars and Constellations in Astrology (1923) and Brady's Book of Fixed Stars.

Definition

In Tradition

In Practice

Historical Origin

Further Reading