Celestial Nav
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| Rating | |||
|---|---|---|---|
| United States | 40%10 | 4.30 | |
| Philippines | 12%3 | 4.00 | |
| Russia | 12%3 | 3.33 | |
| Switzerland | 8%2 | 5.00 | |
| Turkey | 8%2 | 5.00 | |
| Ukraine | 8%2 | 1.00 | |
| Australia | 4%1 | 1.00 | |
| United Kingdom | 4%1 | 5.00 | |
| Netherlands | 4%1 | 1.00 | |
| United Arab Emirates | <1%0 | — |
Description
We believe celestial navigation is an amazing skill and develop Celestial Nav to offer a simple, yet powerful and all encompassing app for our users.
Celestial Nav is an easy to use, all-in-one tool which offers:
Celestial navigational computations for your device
Simple toolbar menu for quick access
Internally stored perpetual Almanac
Offline ready and functional without the need for other external tools
Quick and easy capture celestial observation data
High accuracy sight reductions
Star reference tables
SIGHT PLANNING
Local Hour Angle (LHA) for Aries
Star tables sorted by name, magnitude, declination, and SHA
Sunrise, sunset, twilight, and location reference
Moon phase reference
SIGHT REDUCTION
High accuracy sight reduction algorithm
Perpetual Almanac offering accurate data for years 1600 - 3000
Almanac data for Sun, Moon, Mercury, Venus, Mars, Jupiter, Saturn
Detailed Almanac data for 58 navigational stars
Assumed Position (AP) for any user defined position
Line of Position (LOP) intercept data for accurate course and speed adjustments
Computational variables displayed for accuracy and validation
CELESTIAL FIX
Computations by USNO algorithm in the Nautical Almanac
Save all your LOP in an easy reference table
BASIC VERSION
Free daytime celestial navigation tools using the sun:
Unlimited sextant sight reduction calculations
Sight reduction to a line of position using the sun
Perpetual almanac for the sun
Advanced sight corrections for index error, eye height, temperature, and pressure
Support for upper and lower limb reference
Star Table with navigational references
Detailed Sun references
Limited Moon references
PRO FEATURES (IN-APP PURCHASE)
Advanced Day & Night Celestial Navigation includes all BASIC features plus:
Almanac data for 65 navigational bodies for years 1600 through 3000
Map display for saved LOPs
View intercepts with course and speed corrections
Metric and imperial unit support with automatic conversions
Support for coordinate entries in different formats (H° M’ S” or Decimals)
Save all your LOP calculations for future reference
Save user preferences and settings
Unrestricted moon references
Almanac and algorithmic models for 65 navigational bodies:
Sun, Moon, Mercury, Venus, Mars, Jupiter, and Saturn
58 navigational stars
Supported stars: Acamar, Achernar, Acrux, Adhara, Aldebaran, Alioth, Alkaid, Alnair, Alnilam, Alphard, Alphecca, Alpheratz, Altair, Ankaa, Antares, Arcturus, Atria, Avior, Bellatrix, Betelgeuse, Canopus, Capella, Deneb, Denebola, Diphda, Dubhe, Elnath, Eltanin, Enif, Fomalhaut, Gacrux, Gienah, Hadar, Hamal, Kaus Australis, Kochab, Markab, Menkar, Menkent, Miaplacidus, Mirfak, Nunki, Peacock, Polaris, Pollux, Procyon, Rasalhague, Regulus, Rigel, Rigil Kent., Sabik, Schedar, Shaula, Sirius, Spica, Suhail, Vega, Zubengenubi
REFERENCES
Sight reductions and celestial calculations use various internationally accepted references for the most accurate results:
Jean Meeus - Astronomical Algorithms
US Naval Observatory (USNO) Almanac and Algorithms
Hipparcos New Astrometric Catalog, Published 2007
ELP2000-85
SUBSCRIPTION TERMS
Celestial Nav is free to download and the basic features free to use. A paid upgrade to the PRO version provides access to premium features and additional tools.
We may offer trial subscriptions that give limited time access to all PRO features and premium content for the duration of the trial period. Trial subscriptions automatically expire and the app will revert back to the Basic version thereafter. No data is lost but access and use of premium features will no longer be available.