A major IT maintenance will take place at ESO between Saturday, 20th April 2024 at 08:00 CEST and Sunday, 21st April 2024 at 24:00 CEST. From 08:00 CEST on Saturday all ESO IT services  could be subject to intermittent outages. You may thus encounter some difficulties using the p2 interface to edit your Observation Blocks, downloading data from the Science Archive or accessing our Help Portal at support.eso.org. We apologize for the inconvenience.

General Phase 2 Documentation

For a successful service mode run it is absolutely essential that all users read the following documentation.


P2 tutorials are available for a number of instruments. Please select an instrument from the instrument drop-down menu on the right. A dedicated test environment is available for p2 at http://www.eso.org/p2demo 

Also available are some general general tutorials on the use of scheduling containers, on the attachment of finding charts, on filling out the README, and on finalizing the overall Phase 2 submission.

Please be informed that a set of template OBs are available in the p2demo. Under each Observing Run you will able to access to the Instrument’s specific Tutorial folder, where we have stored some example OBs designed for different modes and observing strategy. Please fell free to copy and paste these OBs into your working folder. The template OBs can be also exported via the import/export function. Please do not change the content of the Tutorial folders.

Instrument selector