Compliant with the EU General Data Protection Regulation (GDPR).
The site's publisher (see the legal notice), reachable at [email protected].
Sighting reports (if you submit one): date and time, aiming direction (azimuth, elevation), an approximate and optional location (rounded), a description of the facts, and an optional e-mail address if you want follow-up. Purpose: building a base of verifiable observations. Legal basis: your consent.
Newsletter (if you subscribe): your e-mail address only. Purpose: sending you updates. Legal basis: consent. You can unsubscribe at any time.
Measurements in the tools (/sky, /witness, the Sentinel app): position and analysis computations run in your browser or on your device. Your GPS position is not sent to the server for these computations.
The site uses analytics tools to understand aggregate usage: Google Analytics 4 and Microsoft Clarity. The Cloudflare network provides security and content delivery. These services may set cookies or technical identifiers. You can refuse them through your browser settings.
Data is neither sold nor transferred to third parties for commercial purposes. The site is hosted by Hostinger, on a server located in Paris, France, within the European Union.
You have the right to access, rectify, erase, object to, restrict and port your data. To exercise them, write to [email protected]. You may also lodge a complaint with your local data-protection authority (in France, the CNIL).