The free astronomical programs on this site may be of interest first and foremost a wide audience of people than a professional skilled in the art. They are based on algorithms developed by Steve Moshier, provide highly accurate calculation of positions of celestial bodies and times of astronomical events.
For beginners, an astronomical dictionary is included. Language: English and Russian.
The «Astronomical Almanac» calculates the exact position of the solar system objects, their rise and set, the main characteristics and detailed information specific to the Astronomical Almanac. The onset of lunar phases is also computed. Below are the links for free Android downloads and screenshots of the program:
The «Sun and Moon» calculates the exact position of Sun and Moon only, their rise and set, the main characteristics. The detailed information specific to the Astronomical Almanac is also included. The links for free Android downloads and screenshots of the program are bellow:
Note. It is important to set the time zone and precise geographical coordinates of the user to obtain the exact time of rises and sets. Also in the settings you can set the height of the observer's location above sea level, atmospheric pressure and temperature (for the scrupulous).