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Dictionary term

Sextans

Direct answer

Sextans is a faint equatorial constellation representing the astronomical sextant of Johannes Hevelius.

Sextans is Hevelius's Sextant, a sparse region between Leo and Hydra.

Constellations & Star LoreThe Great Almanac DictionaryUpdated 2026-07-16
Star-map orientation · visual guide Sextans

Sextans is Hevelius's Sextant, a sparse region between Leo and Hydra.

A symbolic locator, not a substitute for an observational chart at a specific place and time.

Quick reference

Use when
Use Regulus, Alphard, and Leo's body to bracket Sextans; a chart is essential for tracing it.
Do not use it for
Sextans the constellation is distinct from Sextant the portable marine instrument and from the existing dictionary entry for it.
Reference category
Constellations & Star Lore
Related terms
Scutum, Serpens, Taurus Constellation, Telescopium

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The story behind Sextans

Hevelius introduced Sextans in the late seventeenth century to commemorate his large observing instrument.

Sextans in spiritual tradition

Sextans preserves the memory of exact observation even where the stars themselves seem unassertive.

Sextans: fact and faith, kept distinct

This is a factual sky reference. It can support wonder and orientation without turning a measured position or inherited pattern into a claim of fate or private revelation.

Sextans in numerology

Sextans is not a numerology claim. Any numbers attached to it should retain their ordinary scientific, calendrical, navigational, or historical meaning unless a separate symbolic interpretation is clearly labeled.

Why Sextans matters

Its name memorializes precision naked-eye measurement and the observatory instrument lost in Hevelius's 1679 fire.

Sextans at work: an example

The Spindle Galaxy, NGC 3115, is a bright edge-on lenticular galaxy within its boundary.

Where interpretation stops

Sextans is presented as sourced astronomy, calendrical, Earth-science, cultural, or instrument-history reference. Definitions should distinguish measured phenomena from civil convention and historical interpretation, preserve location and time dependencies, and avoid turning factual sky data into a deterministic personal claim.

Sources and editorial method

Research references used for this entry include:

Source
The Great Almanac Dictionary
Category
Constellations & Star Lore
Also appears in
Constellations & Star Lore
Aliases
None listed
Last updated
2026-07-16

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ScutumScutum is the Shield, a compact constellation containing a brilliant Milky Way star cloud. SerpensSerpens is the Serpent, split into a head and tail held by Ophiuchus. Taurus ConstellationTaurus is the Bull, a winter zodiac constellation rich in bright stars and clusters. TelescopiumTelescopium is Lacaille's Telescope, an inconspicuous southern instrument constellation. ConstellationA Constellation is an official bounded region of the sky, often associated with a traditional star figure. AsterismAn Asterism is a familiar star pattern rather than an official bounded constellation.

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Common questions

What is Sextans?

Sextans is a faint equatorial constellation representing the astronomical sextant of Johannes Hevelius.

How is Sextans used in an almanac?

Use Regulus, Alphard, and Leo's body to bracket Sextans; a chart is essential for tracing it.

What should I avoid when interpreting Sextans?

Sextans the constellation is distinct from Sextant the portable marine instrument and from the existing dictionary entry for it.

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