Warning!!

We have recently uncovered a bug in the delivery software that started to be in use as of February 2020, which led to the possibility that the incorrect copy of 561 files have been downloaded. Please check here.

The upgrade of the programmatic interfaces will not take place before Tuesday June 29th.

The issue with the table of raw observations, dbo.raw, served via TAP/programmatic access, has been solved. Beware that its usage, on 15/04/2021, would have resulted in no records returned. Please check if that could have had an impact on you. Sincere apologies.

Due to the evolution of the pandemic situation in Chile, operational activities at La Silla Paranal Observatory have been further reduced as of 16 April 2021. More detail...

ESO Archive Frequently Asked Questions

User Portal: I have taken up a new position. How do I ensure uninterrupted access to your archive services?

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