iPhone app Celestial Navigation

This app does all the calculations to reduce a sextant reading to a line of position on the map.
All intermediate numbers are shown to check your manual calculations.

Perpetual nautical almanac

Calculation of the line of position (azimuth and distance)

Draws the line of position on the map.

Star Finder: just point your device to the sky to identify the navigational stars.

Save your readings, choose what to show on the map.

A sextant is required to make full use of this app.,

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