ESO User Portal Frequently Asked Questions

Archive-Related Questions

Can I browse the science archive from the User Portal web page?
Logging into the User Portal is not required in order to browse the archive, but it is required to request data. To browse the archive you can click on any of the links in the "Archive Services" card on the main User Portal page or go directly to

Requesting data from the archive requires you to be logged into the User Portal. If at the time you request the data you are not already logged in you will be presented with the User Portal login page.