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.