Which navigational error increases when celestial observations are matched to chronometer time in a pre-1900 vessel?

💡 Explanation

When matching sextant data to imprecise chronometer readings, a larger time error results because longitude is directly dependent on accurate time, leading to miscalculations that accumulate during travel, especially on rough seas when observations are difficult. Therefore longitude error increases, rather than errors of latitude, course in twilight, or speed, linked to other mechanisms.

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