Institute Codes

Institute codes can be found using the following pull-down menus. First look up the country corresponding to the affiliation of your Co-I(s) and then find the codes corresponding to your Co-I institutions in the resulting lists.

N.B. If the institutions you are looking for are not listed here, please use the code corresponding to "Other (Co-I Institute Country)" (at the bottom of the list), where "Country" refers to the country of affiliation. You can send a request to add your institute by emailing the Observing Programmes Office at

Incorrect specification of institute code may lead to rejection of ESO of the offending proposal.

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