Nautical Almanac
Navigational Algorithms
3.3 ★
25 ratings
1,000+
downloads
$1.99
In this celestial navigation app, you can identify stars and planets, and plan observations using twilight and rise/set times. Includes coordinate calculations, sky plotting, and position input options.
AppRecs review analysis
AppRecs rating 3.3. Trustworthiness 64 out of 100. Review manipulation risk 26 out of 100. Based on a review sample analyzed.
★★★☆☆
3.3
AppRecs Rating
Ratings breakdown
5 star
33%
4 star
0%
3 star
33%
2 star
33%
1 star
0%
What to know
✓
Low review manipulation risk
26% review manipulation risk
About Nautical Almanac
Celestial navigation - Astronavigation
Nautical almanac:
- Equatorial geocentric coordinates: RA/GHA, Declination for Sun, Moon, and navigational stars and planets .
- SD, HP
- SHA
- GHA Aries
Visible sky:
- Identification of stars and planets - it plots the visible sky from a position at a certain moment.
- Polar and horizon chart.
Planning observation:
- Twilight
- Rise/set for Sun and Moon
- Meridian passage
Solar time:
- GAT, LAT, LMT
- Equation of time
Sidereal time (Aries):
- LHA, GAST, LAST
Lunar distances
- Three methods of location: by input dialog box, using Google Maps, direct location (provider: GNSS, Network), to initialize your position.
For GPS or network location - "Location" App permission must be allowed. Switch on you GPS, and then automatic location detection is possible
- Your last position is automatically saved.
- Storage permission needed for Google Maps cache and for save your position.
Manual and examples at the developer's website.
Nautical almanac:
- Equatorial geocentric coordinates: RA/GHA, Declination for Sun, Moon, and navigational stars and planets .
- SD, HP
- SHA
- GHA Aries
Visible sky:
- Identification of stars and planets - it plots the visible sky from a position at a certain moment.
- Polar and horizon chart.
Planning observation:
- Twilight
- Rise/set for Sun and Moon
- Meridian passage
Solar time:
- GAT, LAT, LMT
- Equation of time
Sidereal time (Aries):
- LHA, GAST, LAST
Lunar distances
- Three methods of location: by input dialog box, using Google Maps, direct location (provider: GNSS, Network), to initialize your position.
For GPS or network location - "Location" App permission must be allowed. Switch on you GPS, and then automatic location detection is possible
- Your last position is automatically saved.
- Storage permission needed for Google Maps cache and for save your position.
Manual and examples at the developer's website.
