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As of April 13, the archive is now using the STScI Single Sign-On (SSO) identity manager. To check on your account click here. For more information about how accounts were transitioned click here.

Changes to Archive Accounts and Registration

As of April 2015, the Archive's account management system has been replaced by STScI's Institute-wide Single Sign On (SSO) system. Most people will need to register for a new account.

As an Archive user, the only difference you should see (apart from a different registration process) is that instead of a username, you will login with your email address.

Enter your email to see if you have an STScI SSO account:


No account was found. Register for a new account.
You have an account. Reset your password, if you haven't already.
You are an STScI employee, so you do not need to register. Just use your STScI SSO Portal credentials, which are your email address and AD password.
Your STScI email was not found. Contact

Public vs Proprietary Data Access

It is not necessary to register for an account to search the Archive catalogs or retrieve public data. However, to retrieve proprietary data, such as recently archived HST data, an SSO account is required. When retrieving proprietary HST data, the Retrieval Options page will ask you to enter your SSO email and password. This will be used to verify that you are authorized to retrieve the data. (You can also use your SSO account to retrieve public HST data, instead of doing so anonymously, if you wish.)

Need Assistance?

For questions about the Archive account transition or to request access to proprietary data, please email