Star Chart Yellow ✨

A real star chart with 88 IAU constellations and 519 bright stars (≤4 mag) rendered with their true B-V star colors — pure Canvas, zero dependencies, single HTML file.

Features

• 🌌 88 real constellations (IAU data) with accurate line connections, projected in equirectangular sky projection
• ⭐ 519 real stars colored by B-V color index (true star colors, from blue-white to deep orange)
• 🖱️ Hover interaction — move the mouse near a constellation to light it up, reveal member stars and dashed connection lines
• ✨ Twinkling animation with light halos on first-magnitude stars
• 🎨 Warm dark theme (#08080a background, golden accents)

Usage

Just open index.html in any modern browser. No build, no dependencies.

open index.html

Data

• SKY — 88 constellation line segments (RA/Dec coordinates, IAU)
• STARS — 519 stars as [RA×100, Dec×100, mag×100, "r,g,b"] with B-V derived true colors

Live Demo

https://yipengfeifei.github.io/star-chart-yellow/

License

MIT