Making Celestial Navigation Easy!
EZ Celestial LLC has been making celestial navigation easy since 2011. Our flagship products ezSights, ezAlmanac, and ezLunars have been revolutionary in both performing celestial navigation and teaching it as it has been done for 100's of years. Our latest products, ezNA, ezAlmanacOne and ezLunarsOne, combine the best features of our legacy apps into 3 great products with modern user interfaces designed to work on all screen sizes and platforms.
USE AT SEA
EZ Celestial software is fully functional with no network data connection. Astronomical calculations and table generation are performed internally using the NOVAS 3.1 vector astronomy software from the USNO and a JPL ephemeris covering the years 1960-2059. For the compass check functions, ezAlmanacOne computes magnetic declination for the current location using WMM 2020, the latest world magnetic model provided by NOAA.
EZ Nautical Almanac App
Even if you don't need an app to do celestial navigation, you still need a Nautical Almanac and sight reduction tables. ezNA is a digital Nautical Almanac that generates the almanac pages in the same format as the USNO and HMNAO books for the years 1960 - 2059. App functions aid you in getting to the data you need and even doing a complete sight reduction using the NAO Concise Sight Reduction tables. ezNA does NOT support saving and plotting your sight reductions to find a fix. It is only a digital Nautical Almanac.
EZ Celestial Navigation App
Perform celestial naviagtion exactly as it has been done for 100's of years and exactly as it is taught in celestial navigation courses. ezAlmanacOne uses the same digital Nautical Almanac pages as ezNA but is a complete celestial navigation solution. It allows you to make and save altitude observations to find a fix as well as bearing observations to perform compass checks. Sight reductions are performed using the Pub. 229 tables, so the NAO Concise Reduction tables are not in ezAlmanacOne at this time.
EZ Lunars App
Learn to do lunars as they were done when the pre-computed lunar distance tables were published in the Nautical Almanac over 100 years ago (last published by the USNO in 1906). ezLunars will do all the work for you, teaching you the process. All tables can be printed for use outside the app when you are ready to do it manually.