Astronomical software
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Android

Astronomical software

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, а glossary of terms is included. The interface language of the programs: English, Russian, Ukrainian, German, French and Spanish.

Astronomical Almanac

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:

Sun and Moon

The «Sun and Moon» calculates the exact position of Sun and Moon only, their rise and set, the main characteristics, lunar days. The detailed information specific to the Astronomical Almanac is also included. The links for free Android downloads and screenshots of the program are bellow:

Astronomical Almanac

Astronomical Almanac
Free Download for Android

Sun and Moon

Sun and Moon
Free Download for Android

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).

The applications can generate output data in the form of HTML files. Examples of which are given below.

Sun

UTNov 10, 2018 06:58:15
TDTNov 10, 2018 06:59:25
Julian Day2458432.7904630
Sidereal time13h 24m 30.353s
Delta T69.99s
Ecliptic
Longitude227° 49' 59.64"
Latitude0° 00' 0.62"
Radius Vector0.9903498 au
Apparent
Longitude227° 49' 22.39"
Zodiac17 ♏ 49' 22"
RA15h 01m 26.665s
Declination-17° 08' 29.76"
ConstellationLib Librae
Topocentric
Altitude9.281 deg
Azimuth156.588 deg
RA15h 01m 22.122s
Declination-17° 03' 9.17"
Miscellaneous
Light Time8.2365 m
AberrationdRA 1.385s dDec -5.81"
NutationdRA -1.040s dDec 7.99"
Diur. AberrationdRA 0.010s dDec 0.02"
Diur. ParallaxdRA 0.122s dDec -8.56"
Transit
RiseNov 10, 2018 07:43:30
MeridianNov 10, 2018 11:35:12
SetNov 10, 2018 15:26:04
Visible hours7.7094
Astronomical Almanac
Download from Google Play

Moon

UTNov 10, 2018 06:58:15
TDTNov 10, 2018 06:59:25
Julian Day2458432.7904630
Sidereal time13h 24m 30.353s
Delta T69.99s
Ecliptic
Longitude259° 10' 1.96"
Latitude3° 15' 41.72"
Radius Vector2.6336e-03 au
Distance61.770 Earth-radii
Elongation31.480 deg
Apparent
Longitude259° 09' 44.72"
Zodiac19 ♐ 09' 44"
Latitude3° 15' 41.72"
RA17h 13m 58.934s
Declination-19° 44' 31.99"
Topocentric
Altitude-3.944 deg
Azimuth127.459 deg
RA17h 15m 35.229s
Declination-20° 35' 6.11"
Properties
Semidiameter0° 15' 9.87"
Illum. Fraction0.07
Phase2.6 days past New Moon
Miscellaneous
NutationdRA -1.144s dDec 5.95"
Hor. parallax0° 55' 39.40"
Diur. AberrationdRA 0.006s dDec 0.04"
Diur. ParallaxdRA 96.289s dDec -3034.16"
Transit
RiseNov 10, 2018 10:34:42
MeridianNov 10, 2018 13:55:48
SetNov 10, 2018 17:11:35
Visible hours6.6149
Astronomical Almanac
Download from Google Play

Mercury

UTNov 10, 2018 06:58:15
TDTNov 10, 2018 06:59:25
Julian Day2458432.7904630
Sidereal time13h 24m 30.353s
Delta T69.99s
Ecliptic
Longitude336° 09' 26.86"
Latitude-6° 40' 49.36"
Radius Vector0.3868826 au
Distance0.9440269 au
Elongation22.914 deg
Astrometric
J2000 RA16h 33m 6.864s
J2000 Dec-24° 41' 53.71"
B1950 RA16h 30m 4.745s
B1950 Dec-24° 35' 36.65"
Apparent
Longitude250° 34' 56.67"
Zodiac10 ♐ 34' 56"
Latitude-2° 43' 53.02"
Radius Vector0.9441766 au
RA16h 34m 13.090s
Declination-24° 44' 3.45"
ConstellationOph Ophiuchi
Topocentric
Altitude-4.138 deg
Azimuth137.886 deg
RA16h 34m 13.340s
Declination-24° 44' 12.06"
Properties
Equatorial Diameter7.12"
Visible magnitude-1.9
Phase0.541
Miscellaneous
Light Time7.8525 m
NutationdRA -1.148s dDec 6.81"
AberrationdRA 0.291s dDec -1.01"
Ann. AberrationdRA -1.397s dDec 2.46"
Diur. AberrationdRA 0.008s dDec 0.05"
Diur. ParallaxdRA 0.242s dDec -8.66"
Transit
RiseNov 10, 2018 10:48:01
MeridianNov 10, 2018 13:07:54
SetNov 10, 2018 15:27:34
Visible hours4.6591
Astronomical Almanac
Download from Google Play
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