Credits and licences
| What | Used for | Licence |
|---|---|---|
| HYG star database, version 4 (David Nash, astronexus.com) | Star positions and magnitudes in every chart | CC BY-SA 4.0 |
| Stellarium, the "modern" sky culture (stellarium.org) | Constellation figures and boundaries | Being confirmed before launch |
| OpenNGC (Mattia Verga) | Deep-sky objects, including the Messier list | CC BY-SA 4.0 |
| MathJax | Typesetting the mathematics, done when the site is built | Apache 2.0 |
| Atkinson Hyperlegible Next (Braille Institute of America) | All text | SIL Open Font License 1.1 |
| Fira Math (Xiangdong Zeng), through MathJax's Fira font package | Mathematics | SIL Open Font License 1.1 for the font; Apache 2.0 for MathJax's package |
| The International Olympiad on Astronomy and Astrophysics | The original problems, which we restate in our own words with the original data | Credited on each problem |
Web addresses here are written as plain text: the site does not link outside itself.
Takedown requests
If you hold the rights to material used here and want it changed or removed, email hello@astrospeedrun.com and we will act on it promptly.