ESO Archive Frequently Asked Questions

User Portal

• Do I need to register to the ESO archive in order to download data?
  

The ESO science archive contains, for its major part, data that can be searched and downloaded anonymously.

Though, there are some datasets which can be downloaded only by authorised users (see the ESO Data Access policy).

• How do I register to the ESO archive?
  

Direct your browser to the initial User Portal page, click on the link labeled "I would like to create a new account.", and follow the instructions. More details on how to register and manage your ESO User Portal account are available here.