Dictionary term

Precession Table

Direct answer

Precession Table is a table of corrections used to carry celestial coordinates between epochs as Earth's rotation axis slowly changes direction.

Precession Table is a coordinate-epoch conversion table used in historical astronomy, timekeeping, or navigation.

Historical Almanacs & InstrumentsThe Great Almanac DictionaryUpdated 2026-07-16
Source
The Great Almanac Dictionary
Category
Historical Almanacs & Instruments
Also appears in
Historical Almanacs & Instruments
Aliases
None listed
Last updated
2026-07-16

Quick reference

Use when
Use Precession Table by applying the published precession model in the correct direction and treating proper motion separately.
Do not use it for
Precession does not include every source of motion; proper motion, nutation, aberration, and measurement error may also matter.
Reference category
Historical Almanacs & Instruments
Related terms
Meridian Table, Transit Table, Declination Table, Right Ascension Table

The story behind Precession Table

Precession tables allowed catalogue and navigation work to update coordinates long before software performed the transformation.

Precession Table in spiritual tradition

Precession Table rewards careful observation, explicit assumptions, and humility about the limits of every model or measurement.

The Great Almanac frames Precession Table with educational restraint. Mystical or symbolic language may be meaningful, but it should not be exaggerated into certainty, panic, or permission to ignore ordinary responsibility.

Precession Table in the Bible

This is a factual history-of-science, instrument, timekeeping, or navigation reference. It may support wonder and disciplined attention without becoming a claim of fate, worship, or private revelation.

Precession Table in numerology

Precession Table 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 Precession Table matters

Precession Table matters because catalogue positions must share an epoch before they can be compared or pointed accurately.

Example in a reading: A nineteenth-century star position can be precessed toward a modern reference epoch before plotting.

Interpretive caution: Precession does not include every source of motion; proper motion, nutation, aberration, and measurement error may also matter.

How Precession Table is used in a reading

Use Precession Table by applying the published precession model in the correct direction and treating proper motion separately.

Where interpretation stops

Precession Table 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:

The page starts with a direct definition, then separates use, example, caution, spiritual meaning, and historical context. For astrology, occult, demonology, curse, and spiritual warfare terms, the editorial rule is to explain the term without making fear-based, fatalistic, medical, legal, financial, or ritual-instruction claims.

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These related entries help place Precession Table inside a wider reference cluster instead of leaving it as a standalone keyword.

Meridian TableMeridian Table is a meridian-reference table used in historical astronomy, timekeeping, or navigation. Transit TableTransit Table is a passage-time table used in historical astronomy, timekeeping, or navigation. Declination TableDeclination Table is a celestial latitude table used in historical astronomy, timekeeping, or navigation. Right Ascension TableRight Ascension Table is a celestial longitude table used in historical astronomy, timekeeping, or navigation. AlmanacAn Almanac is a date-organized reference that gathers practical yearly information. Nautical AlmanacThe Nautical Almanac supplies yearly celestial data for navigational sight reduction.

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