# Celestial Navigation

> Sextant Sight Reduction

Canonical page: [https://chrome-stats.com/d/id1458513224](https://chrome-stats.com/d/id1458513224)

## Overview

- **ID:** `id1458513224`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** Dr. Harald Merkel
- **Category:** Navigation
- **Rating:** 4.20 / 5 (15 ratings)
- **Version:** 1.4
- **Last updated:** 2020-08-20
- **First published:** 2019-04-03
- **Size:** 51 MB
- **Data as of:** 2026-09-04
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/celestial-navigation/id1458513224)
- **Privacy policy:** [http://merkel.de/celestialnavigation/privacy.html](http://merkel.de/celestialnavigation/privacy.html)

## Description

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.

## Rankings

- #289,104 — Overall

## Similar extensions and apps

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- [EZ Sextant](https://chrome-stats.com/d/id6477748851) — 5.00 / 5
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Source: [Chrome-Stats](https://chrome-stats.com/d/id1458513224)