Euclid Data Release DR1

21 October 2026

Euclid DR1 Contents

Information on Euclid Data Release 1 contents.

Euclid DR1 Papers

Papers related to Euclid Data Release 1.

Meet the Euclid DR1 Authors

Interviews with some of the authors of selected Euclid Data Release 1 Papers.

Euclid DR1 Documentation

The documentation for Euclid Data Release 1, describing the processing of the data from raw to Euclid DR1 data products.

Euclid DR1 Data Access

How to access the Euclid Data Release 1.

Euclid DR1 Data Model

Information of the Euclid data model.

Euclid DR1 Known Issues

A list of the issues found with Euclid DR1 data after publication. If you find an issue with the data, please contact the Euclid Helpdesk.

Euclid DR1 Auxiliary Data

A list of Euclid mission reference data that is not contained in the Euclid Science Archive.

Tutorials

Help is available to guide you through the process of getting the data you need.

Euclid DR1 Data License and Credits

When using Euclid DR1 data, please acknowledge the work of the people involved and provide credits and necessary citations. Each release comes with its own credit lines and Digital Object Identifier (DOI).

Euclid DR1 Software Tools

There is no release of software of the EC for the DR1 data release.

Public Outreach Material

An overview of press releases and news on the ESA Euclid Mission and science.

Euclid DR1 related Events

Events related to the DR1 data release.

Questions and Helpdesk

Contact the Euclid Helpdesk