For training or improving your skills with a sextant.
Celestial navigation - AstronavigationFor training or improving your skills with a marine sextant, an aircraft octant (bubble), an artificial horizon, or a theodolite. - Real time calculation of the instrumental altitude Hs for comparison of your shots. - Useful for index error determination. - For Sun, Moon, and navigational stars and planets. - Location on map of your position by GPS or manually. ("Location" App permission must be allowed. Switch on you GPS, and then automatic location detection is possible) - Map: zoom, satellite, terrain and road map.- Location permission required in order to set the observer latitude and longitude.- Your last position is automatically saved.- Storage permission needed for Google Maps cache and for save your position.- More accurate- Map – Type: normal, terrain and satellite. – Styles: night, grayscale, retro- New optimized user interface- Updated to Android 10.0