Astronomical Almanac 17+

Name: Astronomical Almanac
Rating: 4.3 (3 reviews)
Author: Igor Brovin

Astronomy software

Igor Brovin

Designed for iPad

- 4.3 • 3 Ratings

- Free

Description

Astronomy software

The Astronomical Almanac application calculates the exact position of objects in the solar system, their sunrise and sunset for a given time and place. The time of the onset of the lunar phases and lunar days is also calculated.
To improve the accuracy of determining the location of the observer, geographical maps are used.
Calculations are made in the date range from 3000 BC. until 3000 A.D.
The program uses the Steve Moshier algorithms.
Designed for astronomical observations.
The following parameters are calculated for celestial objects:
- UT, TDT, Julian Day
- Sideral time, Delta T
Ecliptic:
- Longitude
- Latitude
- Radius vector
- Geocentric distance
- Elongation from the Sun
Visible geocentric:
- Longitude
- Zodiac
- Right ascension
- declination
- constellation
Astrometric:
- J2000, Right Climb
- J2000 Declination
- B1950, right ascension
- B1950 Declination
Topocentric:
- height
- Azimuth
- Right ascension
- declination
Properties:
- Equatorial diameter
- Visible value
- phase
Miscellanea:
- time of light
- nutation
- Aberration
- Parallax
- sunrise
- Meridian
- sunset
- Visible time

Jan 19, 2020

Version 2.46

Fixed a small bug when defining the geographical location of the observer

4.3 out of 5

3 Ratings

The developer, Igor Brovin, has not provided details about its privacy practices and handling of data to Apple. For more information, see the developer’s privacy policy.