La Silla Paranal Observatory - Call for Proposals for Period 111

The European Southern Observatory (ESO) invites proposals for observations at ESO telescopes during


Period 111 (1 April 2023 - 30 September 2023)


Please refer to the Call for Proposals for Period 110 for instruments offered in Period 110, relevant for DDT proposals during Period 110.

This section provides tables of the instruments and facilities offered for observations during Period 111, with their main functionalities given in the Instruments Summary Table.

This section also lists the recent changes to La Silla, Paranal and APEX instruments and facilities since period 109 or expecting to take place during Period 110 and 111, as well as the changes foreseen in the coming periods; please refer to the Call for Proposals for Period 111 for other changes (policy, etc..) relevant for observations with ESO telescopes. Finally, a quick look table provides the estimated overheads for each instrument.