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29 lines
1.3 KiB
Markdown
29 lines
1.3 KiB
Markdown
# Changelog
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All notable changes to this project will be documented in this file.
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The format follows [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
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This project adheres to [Semantic Versioning](https://semver.org/).
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## [1.0.0] - 2026-05-25
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### Added
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- Initial public release.
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- `getMoonPhase` — returns moon phase name and illumination percentage for any date.
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- `getMoonPosition` — computes topocentric altitude and azimuth using Meeus Chapter 47 algorithms.
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- `getMoon` — combined output: phase, position, and illumination in one call.
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- `getMoonVisibilityEstimate` — Yallop and Odeh crescent visibility criteria.
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- `nearestNewMoon` — finds the next or previous new moon from a given date.
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- `arcvMinimum` — polynomial helper for Yallop arc of vision minimum.
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- `distanceKm` — lunar distance in kilometres.
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- Meeus lite algorithms (Astronomical Algorithms, Jean Meeus, 2nd ed.) — no JPL ephemeris dependency.
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- Pure Dart implementation. Zero runtime dependencies.
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- Dart SDK `^3.7.0` compatibility.
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- 64 unit tests covering all 7 SPORT features.
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### Notes
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This package uses Meeus lite algorithms with approximately 0.3 degree positional accuracy.
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The companion JavaScript package (`moon-sighting` on npm) uses JPL DE442S ephemeris for
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sub-arcminute precision. Use the JS package when observatory-grade accuracy is required.
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