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This introduces the new body `Astronoby::Moon` and an entire algorithm to compute its ecliptic coordinates. The algorithm is based on the Lunar theory called "Éphéméride Lunaire Parisienne" by Jean Chapront and Michelle Chapront-Touzé, and used by Jean Meeus's formulae in Astronomical Algorithms. ```rb time = Time.utc(2015, 1, 1) moon = Astronoby::Moon.new(time: time) coordinates = moon.apparent_ecliptic_coordinates coordinates.latitude.str(:dms) # => "-2° 53′ 58.1867″" coordinates.longitude.str(:dms) # => "+50° 37′ 3.5842″" ```
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rhannequin
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## 0.5.0 - 2024-06-11 _If you are upgrading: please see [UPGRADING.md]._ [UPGRADING.md]: https://github.com/rhannequin/astronoby/blob/main/UPGRADING.md ### Features * Make `Sun#mean_anomaly` public ([#72]) * Moon ecliptic coordinates ([#73]) * Moon apparent geocentric equatorial coordinates ([#75]) * Moon horizontal coordinates ([#76]) * Assume Moon's equatorial coordinates are geocentric ([#77]) * Use observer object for geocentric parallax ([#79]) * Moon's phase angle and illuminated fraction ([#80]) * Monthly Moon phases ([#82]) * Rationalize negative degree angles ([#83]) * Factorize Moon phases periodic terms ([#85]) * Introduce observation events for Moon ([#86]) [#72]: #72 [#73]: #73 [#75]: #75 [#76]: #76 [#77]: #77 [#79]: #79 [#80]: #80 [#82]: #82 [#83]: #83 [#85]: #85 [#86]: #86 ### Improvements * Create FUNDING.yml ([#70]) * Bump standard from 1.35.1 to 1.36.0 ([#71]) * Bump rexml from 3.2.6 to 3.2.8 ([#74]) * Expand the number of tested Ruby versions ([#84]) * Add Ruby 3.1.6 and 3.3.2 coverage ([#88]) * Improve and update documentation ([#87]) * Update UPGRADING.md ([#89]) [#70]: #70 [#71]: #71 [#74]: #74 [#84]: #84 [#88]: #88 [#87]: #87 [#89]: #89 ### Backward-incompatible changes * Use Observer in Horizontal coordinates ([#69]) * Introduce `Astronoby::Distance` value object ([#78]) [#69]: #69 [#78]: #78 **Full Changelog**: v0.4.0...v0.5.0
rhannequin
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### Features * Make `Sun#mean_anomaly` public ([#72]) * Moon ecliptic coordinates ([#73]) * Moon apparent geocentric equatorial coordinates ([#75]) * Moon horizontal coordinates ([#76]) * Assume Moon's equatorial coordinates are geocentric ([#77]) * Use observer object for geocentric parallax ([#79]) * Moon's phase angle and illuminated fraction ([#80]) * Monthly Moon phases ([#82]) * Rationalize negative degree angles ([#83]) * Factorize Moon phases periodic terms ([#85]) * Introduce observation events for Moon ([#86]) [#72]: #72 [#73]: #73 [#75]: #75 [#76]: #76 [#77]: #77 [#79]: #79 [#80]: #80 [#82]: #82 [#83]: #83 [#85]: #85 [#86]: #86 ### Improvements * Create FUNDING.yml ([#70]) * Bump standard from 1.35.1 to 1.36.0 ([#71]) * Bump rexml from 3.2.6 to 3.2.8 ([#74]) * Expand the number of tested Ruby versions ([#84]) * Add Ruby 3.1.6 and 3.3.2 coverage ([#88]) * Improve and update documentation ([#87]) * Update UPGRADING.md ([#89]) [#70]: #70 [#71]: #71 [#74]: #74 [#84]: #84 [#88]: #88 [#87]: #87 [#89]: #89 ### Backward-incompatible changes * Use Observer in Horizontal coordinates ([#69]) * Introduce `Astronoby::Distance` value object ([#78]) [#69]: #69 [#78]: #78 **Full Changelog**: v0.4.0...v0.5.0
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This introduces the new body
Astronoby::Moonand an entire algorithm to compute its ecliptic coordinates.The algorithm is based on the Lunar theory called "Éphéméride Lunaire Parisienne" by Jean Chapront and Michelle Chapront-Touzé, and used by Jean Meeus's formulae in Astronomical Algorithms.