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README.md

SunMoonCalculator

A very simple Sun/Moon calculator without using JPARSEC library.

This is a Swift port of the excellent ephemerides (in Java) by Tomás Alonso Albi.

For specified observer date/time and location (Geodetic: longitude/latitude), following information is calculated:

  • Sun
    • Rise, set, noon (transit) time
    • Azimuth, elevation and transit elevation angles
    • Distance
  • Moon
    • Rise, set, transit time
    • Azimuth, elevation and transit elevation angles
    • Distance
    • Age
    • Moon illumination (percentage)
    • Moon position angle of axis, bright limb angle and paralactic angle
    • Moon phase

Usage

See example.swift.

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A very simple Sun/Moon calculator without using JPARSEC library

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