Stellarium is a free GPL software which renders realistic skies in real time with OpenGL. It is available for Linux/Unix, Windows, macOS and Haiku. With Stellarium, you really see what you can see with your eyes, binoculars or a small telescope.
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Astronomy and astrophysics core library
- python
- astronomy
- science
- astrophysics
Scientific-grade astronomy routines for Python
A Swift micro library for generating Sunrise and Sunset times on device, requiring no network access.
- swift
- sunrise
- sunset
- ios
Model layer for Meteor
- javascript
- astronomy
- meteor
- schema
Main yt repository
- data
- visualization
- analysis
- python
Advanced date, time and interval library for Java with sun/moon-astronomy and calendars like Chinese, Coptic, Ethiopian, French Republican, Hebrew, Hijri, Historic Christian, Indian National, Japanese, Julian, Korean, Minguo, Persian, Thai, Vietnamese
- java
- time4j
- calendar
- interval
Go package for calculating the sunrise and sunset times for a given location
NASA/JPL SPICE Toolkit for C – patched for cross-platform compatibility
- astronomy
- astronomical-algorithms
- celestial-mechanics
- nasa
Nova DSO Tracker is an open-source Flask application for astrophotographers, providing real-time tracking of deep-sky objects' altitude, observability prediction, and integration with Stellarium and SIMBAD databases.
Astronomical FITS image analysis tool for detecting asteroids, comets, satellites, moving objects, and transients in astrophotography data.
- astronomy
- astronomy-software
- astrophotography
- moving-object-detection