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## 0.8.0 - 2025-09-01 _If you are upgrading: please see [UPGRADING.md]._ ### Bug fixes * Fix UPGRADING documentation ([#178]) * Fix possible division by zero in RTS ([#185]) ### Features * Introduce performance benchmark ([#183]) * Cache positions in RTS calculator ([#182]) * Internal global LRU cache ([#186]) * Global configuration ([#187]) * Compute the constellation a body is in ([#199]) * Add `#phase_angle` and `#illuminated_fraction` to planets ([#200]) * Apparent magnitude ([#201]) * Add #events_between to TwilightCalculator with better accuracy ([#204]) * `#angular_diameter` on Solar System bodies ([#207]) * Fix constellation boundaries near 24h right ascension ([#209]) ### Improvements * Bump standard from 1.49.0 to 1.50.0 by @dependabot ([#177]) * Bump ephem from 0.3.0 to 0.4.1 by @dependabot ([#181], [#191]) * Bump irb from 1.14.3 to 1.15.2 by @dependabot ([#184]) * Bump rspec from 3.13.0 to 3.13.1 by @dependabot ([#188]) * Bump benchmark from 0.4.0 to 0.4.1 by @dependabot ([#189]) * Bump rake from 13.2.1 to 13.3.0 by @dependabot ([#190]) * Bump matrix from 0.4.2 to 0.4.3 by @dependabot ([#193]) * Update rubyzip requirement from ~> 2.3 to ~> 3.0 by @dependabot ([#194]) * Bump rubyzip from 3.0.0 to 3.0.2 by @dependabot ([#202], [#206]) * Exclude benchmarks from release ([#196]) * `Epoch` refactoring into `JulianDate` ([#197]) * Support Ruby 3.4.4 ([#198]) * Bump actions/checkout from 4 to 5 ([#203]) * Internal documentation ([#205]) ### Backward-incompatible changes * `Epoch` refactoring into `JulianDate` ([#197]) * `#angular_diameter` on Solar System bodies ([#207]) * Rename "epoch" ([#208]) ### Closed issues * Consider adding typical usage/deployment info ([#179]) * Performance degradation in v0.7 ([#180]) **Full Changelog**: v0.7.0...v0.8.0 [#177]: #177 [#178]: #178 [#179]: #179 [#180]: #180 [#181]: #181 [#182]: #182 [#183]: #183 [#184]: #184 [#185]: #185 [#186]: #186 [#187]: #187 [#188]: #188 [#189]: #189 [#190]: #190 [#191]: #191 [#193]: #193 [#194]: #194 [#196]: #196 [#197]: #197 [#198]: #198 [#199]: #199 [#200]: #200 [#201]: #201 [#202]: #202 [#203]: #203 [#204]: #204 [#205]: #205 [#206]: #206 [#207]: #207 [#208]: #208 [#209]: #209 [UPGRADING.md]: https://github.com/rhannequin/astronoby/blob/main/UPGRADING.md
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The ambiguous "epoch" term has been partially removed in ab37cdd in favour of "Julian Date".
This intends to finish this work. The term "epoch" remains in the codebase for equatorial coordinates because it seems it makes more sense in the literature than "instant" or "time", equatorial coordinates are always defined for an epoch.
Multiple methods have been changed:
MeanObliquity:::for_epochto::atand now takes aninstantas parameterMeanObliquity:::obliquity_of_reference_in_milliarcsecondsto::obliquity_of_reference_in_arcsecondsTrueObliquity:::for_epochto::atand now takes aninstantas parameterCoordinates::Equatorial:#to_eclipticmethod now takes aninstantas parameter