EZ Nautical Almanac 1.4

EZ Nautical Almanac 1.4

EZ Celestial LLC – Commercial – iOS
out of 4 votes
Latest Version
1.4
Safe to install
EXCELLENT User Rating

A Nautical Almanac is essential for celestial navigation. In an era where digital solutions are prevalent, opting for a digital Nautical Almanac that encompasses 100 years of data (1960 - 2059) is a cost-effective choice compared to purchasing a new book annually. This digital version is offered at less than half the price of a single year's physical almanac.

The data is meticulously formatted and structured in a manner consistent with the official Nautical Almanacs published by both the US Naval Observatory (USNO) and the Hydrographic and Meteorological Authority of the Netherlands Antilles and Aruba (HMNAO).

Here are some notable features of ezNA that enhance its usability beyond traditional printed almanacs:

  • Access to 100 years of Nautical Almanac pages covering the period from 1960 to 2059.
  • Direct navigation to specific pages without the need for manual page-turning.
  • Interaction allows users to highlight pertinent data by selecting row and column headings.
  • Zoom and pan features facilitate clearer reading of tables on various devices, including phones and tablets.
  • Integration of table lookups supports essential celestial navigation activities.
  • Function pages present all relevant almanac values linked with an almanac icon for easy access.
  • Clicking or touching the icon provides direct navigation to the highlighted value's page.

The inclusion of concise sight reduction tables, accompanied by demonstrations on their application, stands out as particularly beneficial. Users may find these tables surprisingly effective; they are condensed into just 16 pages, contrasting sharply with the 32 pages offered in the official Nautical Almanac. This streamlined approach can yield sight reductions typically within one nautical mile of those produced by Pub 229, which itself spans about 400 pages across six volumes.

ezNA executes all astronomical calculations utilizing NOVAS 3.1 software from the US Naval Observatory and a JPL ephemeris covering the years 1960 through 2059. As these calculations are performed within the app, ezNA operates independently of a data connection.

It is noteworthy that this digital Nautical Almanac is incorporated into ezAlmanacOne, our comprehensive celestial navigation solution. Therefore, purchasing ezNA separately is unnecessary for existing ezAlmanacOne users.

While ezNA provides valuable functionalities to assist with Nautical Almanac tables, it does not serve as an all-encompassing celestial navigation solution. Users can perform only one full sight reduction at a time. By employing ezNA alongside manual recording and plotting methods, users can effectively generate fixes manually.

Overview

EZ Nautical Almanac is a Commercial software in the category Education developed by EZ Celestial LLC.

The latest version of EZ Nautical Almanac is 1.4, released on 04/27/2025. It was initially added to our database on 04/27/2025.

EZ Nautical Almanac runs on the following operating systems: iOS.

Users of EZ Nautical Almanac gave it a rating of 5 out of 5 stars.

Screenshots (Click to view larger)

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This navigational tool enables open-water navigation without reliance on a GPS device. It utilizes the phone's camera to capture observations of celestial bodies such as the sun, moon, Venus, and Mars.
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