Dictionary term
Computed Altitude
Direct answer
Computed Altitude is the altitude a celestial body should have from an assumed position at the observation time.
Computed Altitude is a predicted body altitude used in historical astronomy, timekeeping, or navigation.
Computed Altitude is a predicted body altitude used in historical astronomy, timekeeping, or navigation.
An engraved functional orientation; the page explains the real instrument, method, or publication.Quick reference
- Use when
- Use Computed Altitude by computing from declination, assumed latitude, and local hour angle with a validated formula or table.
- Do not use it for
- A precise calculation from wrong time, coordinates, or body data is still wrong.
- Reference category
- Historical Almanacs & Instruments
- Related terms
- Assumed Position, Observed Altitude, Altitude Correction, Dip Correction
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The story behind Computed Altitude
Computed altitude became the central prediction in intercept sight-reduction workflows.
Computed Altitude in spiritual tradition
Computed Altitude rewards careful observation, explicit assumptions, and humility about the limits of every model or measurement.
Computed Altitude: fact and faith, kept distinct
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.
Computed Altitude in numerology
Computed Altitude 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 Computed Altitude matters
Computed Altitude matters because comparison with corrected observed altitude yields the intercept used to position the line.
Computed Altitude at work: an example
A table returns 28 degrees 08.4 minutes for the assumed position, ready for comparison with the corrected sight.
Where interpretation stops
Computed Altitude 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:
- National Geospatial-Intelligence Agency: The American Practical Navigator - Official modern reference for navigation principles, celestial observations, sight reduction, and navigational tables.
- Source
- The Great Almanac Dictionary
- Category
- Historical Almanacs & Instruments
- Also appears in
- Historical Almanacs & Instruments
- Aliases
- None listed
- Last updated
- 2026-07-16
Explore Computed Altitude
Computed Altitude in a book is one thing; Computed Altitude in your own birth chart is your life. The Oracle casts your real chart and tells you what it means for your love, your work, and your year ahead, in conversation, free.
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More in Historical Almanacs & Instruments
- Equinoctial Ring Dial
- Line of Position
- Meridian Table
- Pelorus
- Repeating Circle
- Sun Sight
- Almanac Ephemeris
- Astronomical Table
Common questions
What is Computed Altitude?
Computed Altitude is the altitude a celestial body should have from an assumed position at the observation time.
How is Computed Altitude used in an almanac?
Use Computed Altitude by computing from declination, assumed latitude, and local hour angle with a validated formula or table.
What should I avoid when interpreting Computed Altitude?
A precise calculation from wrong time, coordinates, or body data is still wrong.
