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Privacy Policy

How we handle your data while helping you navigate the cosmos.

Data Collection

Geolocation: When you use our Dark-Sky Finder, we request your location to calculate nearby dark sky sites and local celestial visibility. This data is processed in real-time and not stored on our servers.

Analytics: We collect anonymous usage data to improve the Constellation experience. This includes page views, feature usage, and general device information.

Preferences: Your night vision mode settings and planner data are stored locally in your browser.

Cookies

We use essential cookies to maintain site functionality and analytics cookies to understand how visitors interact with Constellation. You can disable cookies in your browser settings, though some features may not work as expected.

Third-Party Services

Vercel Analytics

Anonymous performance and usage analytics to improve site speed and reliability.

NASA API

Astronomy Picture of the Day and celestial event data. No personal data is shared.

Mapbox

Dark-sky location mapping. Your coordinates are sent to render maps but not stored by us.

Weather APIs

Cloud cover and visibility forecasts. Location data is used solely for weather queries.

Your Rights

  • Access any personal data we may have collected
  • Request deletion of your data
  • Opt out of analytics tracking
  • Disable location services in your browser at any time

Contact

For privacy inquiries or data requests, transmit to privacy@constellation.app

Last updated: February 2026 | Effective immediately upon publication