Runs entirely in your browser. The only network requests go to the forecast, sky brightness, geocoding and comet services, to NOAA for the solar flux (no location sent), to CDS for the DSS2 pictures of the results, and to Cloudflare Web Analytics, a cookieless visit counter that sees the page address (your form, after a run).
© 2026 Dinko Korunic Code: MIT · README · GitHub