Celestial Navigation May 2026

: A highly accurate watch synchronized to Universal Time (UTC) to pinpoint exactly when a measurement was taken.

: The primary instrument used to measure the angle between the horizon and a celestial body. Celestial Navigation

: A publication containing the predicted positions of celestial bodies throughout the year. : A highly accurate watch synchronized to Universal

: Estimate your current location based on your last known fix, speed, and heading. Celestial Navigation