Analytics & charts
Tears of Saint Lawrence
A Perseid night rendered as a photographic plate: radiant, meteors, and the moon getting in the way.
astronomyhero
137 kB of self-contained HTML, CSS and JavaScript, with 1 query result baked in at build time. It runs in a sandboxed frame with no cookies, no network identity and no access to this page.
Synthetic dataset generated by scripts/gallery/generators/hero-perseid-night-plate.mjs in this repo — seeded and reproducible. No client data.