The Centre de Données astronomiques de Strasbourg (CDS; English translation: Strasbourg Astronomical Data Centre) is a data centre which collects and distributes astronomical information
. It was established in 1972 under the name Centre de Données Stellaires. The on-line services currently provided by the CDS include:
- SIMBAD, a database of astronomical objects.
- VizieR, a service for astronomical catalogues and data associated with publications.
- Aladin, an interactive sky atlas and image database.
- X-Match, a catalogue cross-matching service.