AstroTonight is made possible by the following open data sources, APIs, and open-source projects. We are grateful to these organizations and contributors.
🌐 APIs & Data Sources
National Weather Service (NWS)
Weather forecasts and conditions for the United States.
NOAA Space Weather Prediction Center
Aurora forecasts, solar activity, and geomagnetic storm predictions.
Open Notify
International Space Station pass predictions and current position.
ipapi.co
IP-based geolocation for automatic location detection.
🖼️ Images
NASA/JPL-Caltech
Planetary images, nebulae, galaxies, and spacecraft photography.
ESA/Hubble
Hubble Space Telescope imagery of deep space objects.
Wikimedia Commons
Constellation maps, star charts, and astronomical illustrations.
IAU Constellation Maps
Official constellation boundary maps and star patterns.
⭐ Astronomical Data
Stellarium
Astronomical algorithms and object catalog references.
SIMBAD Astronomical Database
Star catalog data, magnitudes, and coordinates.
Messier Catalog
Historic deep sky object catalog compiled by Charles Messier.
💻 Open Source Libraries
Next.js
React framework for production web applications.
React
JavaScript library for building user interfaces.
Tailwind CSS
Utility-first CSS framework.
Zustand
Lightweight state management for React.
Lucide Icons
Beautiful, consistent icon set.
date-fns
Modern JavaScript date utility library.
🙏 Special Thanks
To the global astronomy community, amateur astronomers, and astrophotographers who share their knowledge and passion for the night sky. Clear skies!
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