Vertcliff Publishing · the fixed stars

Acubens

Alpha Cancri — the southern claw of the Crab

The constellation Cancer drawn in gold foil, with the star Acubens marked at the southern claw of the Crab.
Cancer — Acubens marked, the southern claw of the Crab
Position (J2000)
13°39′ Leo
Magnitude
4.25
Colour
White
Spectrum
Am (chemically peculiar A-type)
Distance
~178 light-years
Nature
Saturn · Mercury

In the sky

Acubens is a modest white star of the fourth magnitude marking the southern claw of Cancer, about a hundred and seventy-eight light-years away. It lies close to the ecliptic, so the Moon now and then passes in front of it and hides it for a while.

The star is chemically unusual, one of the white stars whose light shows an excess of certain metals. It has a faint red dwarf companion, and there are hints that the main star is itself a close pair, though a careful watch during an occultation by the Moon in 2014 did not confirm it.

The myth

Karkinos was the giant crab that Hera sent into the marsh of Lerna to help the Hydra against Heracles. It seized the hero's foot while he fought and was crushed beneath it, and Hera set it among the stars as a reward for its loyalty. The old tradition also called Cancer the House of the Moon.

The name comes from the Arabic al-zubana, the claws. Ptolemy gives the stars in the claws the nature of Saturn and Mercury, and Robson gives the same, with harsh words about activity, malice and poison. The claw is a grip, and what the old texts feared is the grip that holds for the wrong reasons; read whole, the star describes a mind that seizes a matter and will not let it go, and a loyalty that fights for what it serves even against a hero.

What it gives

  • The grip that holds Once the native takes hold of a task, a problem or another person's cause, they keep hold. Tenacity is the first nature of this star.
  • A shrewd, seizing mind Saturn with Mercury gives an intelligence that gets to grips with difficulty, patient and exact, and able to find the one point at which a tangled matter can be grasped.
  • Loyalty under fire The crab fought for Hera against the strongest hero of its age. The native stands by those they serve, and is known as someone who will not desert a cause because it has become dangerous.
  • The guarded shell The crab carries its home on its back. The native knows how to protect what is tender, to keep a household or a confidence safe behind a hard exterior.

What to watch for

  • The grip that will not open Tenacity can become a refusal to release: the grudge nursed, the lost cause clung to, the old hurt held as tightly as the task. It is loosened by naming, at regular intervals, one thing that may now be set down.
  • The pinch The same shrewd mind turned on people becomes the cutting remark and the cleverness used to take advantage, which is where the old texts' talk of poison and deceit belongs. It comes back into health when the native's intelligence is given hard problems rather than rivals.
  • Loyalty to another's quarrel The crab died for a goddess's grudge. Faithfulness can serve a quarrel that is not the native's own, and it is restored by asking whose battle this is and what it is truly for.
  • The shell sealed Protection can harden into defensiveness, a shell that no one may cross, and the native grows lonely inside the very armour that kept them safe. It softens when a few trusted people are let into the house.

How to work with it

Choose deliberately what to hold. The native's grip is among the strongest in the catalogue and it deserves worthy objects: a long work, a craft, a cause that is truly the native's own.

Give the sharp mind difficult problems. An intelligence of this kind, left without real work, will find fault and advantage in the people nearby; given a hard question, it becomes the patient instrument that finally grasps it.

Examine loyalties from time to time and keep a door in the shell. The placement serves well when faithfulness is chosen with open eyes and the shelter it builds admits the people for whom it was built.

In brief

Acubens is the southern claw of the Crab: tenacity, a shrewd and seizing mind, loyalty under fire, and the gift of guarding what is tender. Its risks are the claw's — the grip that will not open, the pinch of a sharp tongue, faithfulness given to a quarrel not its own, and a shell with no door. The placement functions best where the grip is given worthy work and the shell admits those it protects, and worst where the claw closes on old grievances.

The shared observatory

For thousands of years astrology was built one way: someone watched the sky, watched a life, and wrote down what seemed to answer what. Everything in the tradition — every verdict the old texts hand down about Acubens — began as one person's observation, kept, compared, and corrected across generations. This page continues that work. If Acubens stands close upon a planet in your chart, add your observation to the record: what it has given, and what it has asked of you.

Which planet does Acubens stand upon in your chart, and how close is the orb? How do you experience the conjunction — where does it show in your life, and what has it taught you? The calculator will find your conjunctions if you have not looked yet.

No account needed — a nickname and your words. Observations are reviewed before they appear, which usually takes a day or two.

Read Acubens beside its hundred and twenty-two companions in A Book of Fixed Stars, or raise your own chart to see which stars stood close at your birth.

These stars walk the world in the novel. Our Sidereal World: Selena and Lilith — Anastasia Vertcliff's mythopoetic, philosophical fantasy of souls and free will, where the fixed stars come down wearing faces, eager to help, and not to be trusted.

Meet them in the novel →