Astro:...dereal(3pm)

📦 version 1.26, in alpine 3.24

💫 NAME 💫

okay bestie, this is Astro::Montenbruck::Time::Sidereal — Sidereal time related calculations. It lives in 3pm under User Contributed Perl Documentation, and we’re folding that whole header vibe in right here instead of copy-pasting the line. ✨

🎀 VERSION 🎀

Version 0.01 — baby’s first version, and it’s serving. 💅

🌸 DESCRIPTION 🌸

Sidereal time related calculations.

That’s it. Short, focused, no filler. It’s giving “I know exactly what I’m about” energy. 🦋

✨ EXPORT ✨

The export list is a one-girl show:

  • ramc($jd, $lambda) — this one is exported. Periodt. 💖

🦋 SUBROUTINES/METHODS 🦋

okay, methods time, bestie — let’s get into it. 🌈

💖 ramc($jd, $lambda) 💖

Right Ascension of the Meridian — that’s what this one does. Iconic behavior, honestly. ⭐

Arguments

  • $jd — Standard Julian Date.
  • $lambda — geographic longitude in degrees, negative for East. (yes, negative for East — that’s the spec, bestie, we don’t make the rules 🙈)

🌸 lmst($mjd, $lambda) 🌸

Local Mean Sidereal Time — the vibe check. 🎀

Arguments

  • $mjd — Modified Julian Date.
  • $lambda — geographic longitude in degrees, negative for East. (same East-negative situation, no cap 💀)

Returns

Right Ascension of Meridian, arc-degrees. 🫶

mwah 💋 — signed off by perl v5.42.2, dated 2026-02-15, filed under Astro:...dereal(3pm). Bye bestie, go calculate something cute! 🧚💜

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