Published by EZ Celestial LLC on 2021-10-14
What is ezLunars Celestial Navigation?
ezLunars is a navigation app that provides pre-computed lunar distance tables and other necessary tables to make lunar observations. The app generates daily Nautical Almanac Lunar tables from 1961 to 2059, which includes the lunar distances of up to 6 navigational bodies at 3-hour intervals, along with the proportional logarithm value needed to interpolate the distance to the universal time at the time of observation. The app also includes a proportional logarithm table, moon augmented semidiameter, and second differences table. The app has an expert function to guide users through the process of making observations and using the tables to compute universal time.
1. ▪ “Expert” tab performs all calculations to clear the lunar distance and convert to Universal Time and clock error, and can take you to the Lunar tables and Nautical Almanac pages with the values used highlighted.
2. Lunars are easy when you have a Nautical Almanac and the pre-computed lunar distance tables! The lunar distance tables have not been published in the Nautical Almanac since 1906 but ezLunars has brought them back.
3. The lunar distances of up to 6 navigational bodies are provided at 3-hour intervals, along with the proportional logarithm value needed to interpolate the distance to the universal time at the time of your observation.
4. ▪ Generates Moon’s Augmented Semi-Diameter table required to properly adjust altitude observations using the tables from the Nautical Almanac.
5. ▪ Generates a proportional logarithm second difference table to correct for rapidly changing proportional logarithms that can occur when shoot lunar distances to objects that are close to the Moon.
6. The Sun’s ecliptic is shown on the map to allow easy selection of other objects along the ecliptic that are not in the pre-computed lunar distance tables.
7. ▪ Supports zoom and pan on all Lunar tables and Nautical Almanac pages.
8. ▪ Generates daily Nautical Almanac Lunar tables from 1961 to 2059.
9. The lunar distances for the best 6 objects for each day at 3-hour intervals and a proportional logarithm value for each distance.
10. Objects included in the pre-computed lunar distance tables are identified.
11. ▪ “Shoot” function to allow accurate time logging, predicted altitude and lunar distance to preset sextant before making observation.
12. Liked ezLunars Celestial Navigation? here are 5 Navigation apps like Celestial by Navimatics; ezAlmanac Celestial Navigation; ezSights Celestial Navigation; Celestial Navigation; iMariner Celestial Navigation;
GET Compatible PC App
App | Download | Rating | Maker |
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ezLunars Celestial Navigation | Get App ↲ | 1 |
EZ Celestial LLC |
Or follow the guide below to use on PC:
Select Windows version:
Install ezLunars Celestial Navigation app on your Windows in 4 steps below:
Download a Compatible APK for PC
Download | Developer | Rating | Current version |
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Get APK for PC → | EZ Celestial LLC | 5.00 | 13.0.0 |
For Windows 11, check if there's a native ezLunars Celestial Navigation Windows app here » ». If none, follow the steps below:
Minimum requirements | Recommended |
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Get ezLunars Celestial Navigation on Apple macOS
Download | Developer | Reviews | Rating |
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Get $9.99 on Mac | EZ Celestial LLC | 1 | 5.00 |
Download on Android: Download Android
- Generates daily Nautical Almanac Lunar tables from 1961 to 2059.
- Generates a proportional logarithm table for each second across 3 hours.
- Generates a proportional logarithm second difference table to correct for rapidly changing proportional logarithms.
- Generates Moon’s Augmented Semi-Diameter table required to properly adjust altitude observations.
- Allows usage of required ezAlmanac Nautical Almanac pages directly from ezLunars.
- Animated star map shows current position of all navigational objects.
- “Shoot” function to allow accurate time logging, predicted altitude and lunar distance to preset sextant before making observation.
- “Expert” tab performs all calculations to clear the lunar distance and convert to Universal Time and clock error.
- Saves up to 100 previous observations.
- Integration with iOS® location services to automatically set your DR position from the device.
- Supports both standard (US) and metric units for temperature, barometric pressure and height of eye values.
- Supports zoom and pan on all Lunar tables and Nautical Almanac pages.
- All tables generated by ezLunars can be easily printed to a wireless printer using AirPrint. Tables can also be saved to a PDF file and exported to iTunes or directly to Dropbox.