CVAN — Celestial Visibility Analysis Network
A real-time stargazing planner computing Milky Way visibility, aurora Kp forecasts, Bortle light pollution class, planet and moon positions, deep-sky catalogs, Hubble + JWST imagery, comets, near-Earth objects, dwarf planets, pulsars, black holes, and live transient events.
Data sources
- NOAA Space Weather Prediction Center (Kp, aurora oval)
- NOAA VIIRS Day-Night Band (light pollution)
- Open-Meteo (cloud cover, visibility)
- NASA NeoWs, Mars Photo API, and JPL ephemerides
- ESA Hubble and STScI image archives
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