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.