Late Breaking News

25 September 2018

We are experiencing difficulties with the ESO User Portal.  If you are having trouble logging into the system we recommend that you delete all and cookies from your browser, and try to login again.  We apologise for any inconvenience this might cause while we search for the solution.


24 September, 2018   - latest news - the proposal submission system is up and running again.


During the early evening of 23 Sep 2018, a major power outage affected the ESO Data Centre including critical systems such as the proposal submission.

ESO IT works on restoring the systems and services.