A command-line tool for producing vector-graphics charts of the night sky in SVG, PDF and PNG formats.

Make your own cardboard model astrolabe

Make your own cardboard model planisphere

Python workflow for processing astrophotography images from either digital cameras and/or amateur telescopes.

The files in this repository define stick figures which can be used to depict the 88 astronomical constellations.

A command-line tool for producing animations of solar eclipses

A simple cross-platform desktop utility for amateur astronomy hobbyists, written in Java. The aim is to provide an easy to use tool to help planning sky observation sessions, suggesting some of the interesting objects you may be able to watch at naked eye, or using amateur equipment (binoculars or small to medium size telescopes) in a given date…

A quick-and-dirty SQL database for storing the historical orbital elements of satellites, including a script for trawling data from Celestrak and Space Track to populate the database.

Let's accelerate space development and exploration.

A special design of planisphere for demonstrating the precession of the equinoxes.

A platform for building motion-sensitive cameras to spot shooting stars and triangulating their paths.

🌑 Dusk is a Go library for calculating astronomical twilight, the lunar phase and the rise and set times of the moon and sun.

Stargazing logbook

lcplot – a lightweight program to plot light curves of variable stars

303AdAstra - Redirecting to the stars...

Alpacago is a Go library for interoperating with the ASCOM Alpaca API standard for astronomical devices.

🌑 Nocturnal is observerly's Gin Gonic API for Lunar and Solar advanced scheduling, that utilises Dusk.

C++ implementation of Practical Astronomy With Your Calculator by Duffet-Smith

Iris is a zero-dependency, pure Go library for interoperating with ASCOM Alpaca exposure data structures and the FITS astronomical image format.

ASCOM Alpaca compatible safety monitor