Because of planned IT maintenance activities, ESO services may be only intermittently available on 19-20 January 2019. This includes the tools used for the preparation of observations at ESO telescopes. We apologize for the inconvenience.

The P2PP Tool - Download area

Current versions:

NB: Version 3.4.3 of P2PP fixed a bug related to the start of P100. Note that this version P2PP requires Java 1.7 or 1.8. Version 2.13.4 (for La Silla) also has some internal fixes for compatibility with Period 100 and requires Java 1.6, 1.7 or 1.8.


Please also make sure that you have Java 1.7 (or 1.8) installed on your machine. In case you do not, the links below may be useful: