offers a way to query a Javascript AST to find specific patterns using a syntax somewhat similar to XPath.
An astronomical library
Astronomical calculation library
An astronomical HiPS visualizer in the browser
High-precision Swiss Ephemeris WebAssembly library for astronomical calculations in JavaScript
Astronomical Algorithms in Javascript
Bundle for astronomical calculations such as position of moon, sun and planets, sunrise, sunset or solar eclipses. Most of the calculations are based on Jean Meeus 'Astronomical Algorithms' book and the VSOP87 theory.
astronomical image display everywhere
Astronomical Algorithms for node.js
Swiss Ephemeris for browsers - WebAssembly astronomical calculations
Astronomical calculations for planetary positions, moon phases, eclipses, rise, transit, and set times, and more.
An ipywidget image widget for astronomical purposes
Library for reading the FITS astronomical file format
Enhanced Swiss Ephemeris Bindings for Modern Node.js: Leveraging the latest Node.js features for precise astronomical calculations
Astronomical Gregorian and Jalali date conversion based on the Iranian calendar's equinox rule.
WASM bindings for Vedākṣha astronomical computation
Swiss Ephemeris for Node.js - high precision astronomical calculations with native bindings
High-precision Swiss Ephemeris WebAssembly bindings for TypeScript — comprehensive astronomical calculations including planetary positions, house systems, eclipses, fixed stars, and astrological computations with modern JS/TS support.
Model Context Protocol server for the Open Ephemeris astronomical computation API
Implementation of the Astronomical Algorithms of Jean Meeus in Javascript
Astronomical Calculations
An easy-to-use interface for astronomical calculations.
High-accuracy Islamic prayer time library combining NASA/JPL astronomical algorithms with classical Islamic scholarship
Authoritative physical and astronomical constants in SI units for consistent calculations.
Unit-safe computations with astronomical quantities.
A simple program for calculating sunrise, sunset and related times, which can be integrated with cron to trigger other programs to run when these events occur
Primitive astronomical coordinate vocabulary for RustUse
Primitive astronomical observation vocabulary for RustUse
Balinese Saka Calendar (Kalender Bali) — the first native Rust implementation. Computes Pawukon, Wewaran, Sasih, Paringkelan, Rahinan and Saka year from any Gregorian date.
Primitive orbit vocabulary for RustUse astronomy
Reusable astronomical constants for RustUse
Astronomical calculator for Bikram Sambat calendar based on solar and lunar positions. High-performance Nepali (Bikram Sambat) datetime library with multi-language bindings
High-precision astronomical calculation library and CLI for sun/moon positions, rise/set times, and lunar phases
Facade crate for primitive RustUse astronomy vocabulary
A lightweight library to perform basic astronomical calculations, inspired by Python's Astropy syntax.
Jyotish — astronomical computation engine for planetary positions, calendar systems, and celestial event prediction
Astronomy and astrometry Ruby library for astronomical data and events.
With this program you can list your telescopes and eyepieces and get a set of calculations done for each scope and for the combination of scope and eyepiece. Easy interface. Run the program, then hit '?' to show the help file. Version 2.0.1: Improved input validation with descriptive errors, division-by-zero guards, empty list safety.
Astronomical gem to provide various calulations.
A set of Ruby modules to help provide access to the Virtual Observatory (VO). Includes support for VOTable, ADQL, Sesame (online name resolution), WESIX (an online source extraction service) and more.
Lunation offers a Ruby implementation of Meeus's Astronomical Algorithms.
AstroPanel v4.1.1: Modern image display using termpix gem with Sixel and w3m protocol support. This program shows essential data in order to plan your observations: 9 days weather forecast, full ephemeris for the Sun, the Moon and all major planets, complete with graphic representation of rise/set times, detailed info for each day with important astronomical events, star chart displayed in the terminal and more.
A set of Ruby modules to help provide access to the Virtual Observatory (VO). Includes support for VOTable, WESIX (an online source extraction service) and the Sesame name resolver. This is a limited preview version of voruby2 and contains many feature regressions from the 1.x branch.
Ruby implementation of the parsing and computation of ephemerides from NASA/JPL Development Ephemerides DE4xx and IMCCE INPOP
WCSTools wrapper for Ruby. Provides calculation and conversion of sky positions in astronomical coordinates.
Calculate the sunrise/sunset given lat/long coordinates and the date. Computes civil, official, nautical, and astronomical sunrise/sunset.
A library for astronomical computing.
A light weight, mountable engine for the 'astronomy' gem. Search or browse various astronomical phenomena
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