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Which consequence occurs when a sextant's mirrors become misaligned during celestial fix calculation?

A)Cumulative refraction measurement error
B)Parallax distortion field compensation
C)Observed altitude value inaccurate
D)Chronometer synchronization drift rate

💡 Explanation

An inaccurate observed altitude results because the mechanism of angular measurement is compromised; misalignment induces incorrect angle reading, therefore observation error occurs rather than issues involving refraction, parallax, or timekeeping affecting navigation accuracy.

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