European Southern Observatory
ESO Library Garching
Karl-Schwarzschild-Str. 2
85748 Garching near Munich

E-Mail: library [at]
Tel: +49-89-320 06-280 (Uta Grothkopf)
Tel: +49-89-320 06-775 (Silvia Meakins)
Tel: +49 89 320 06-474 (Nathalia Escarlate)
Fax: +49-89-320 06-9280

European Southern Observatory
Biblioteca Santiago
Alonso de Córdova 3107, Vitacura
Casilla 19001
Santiago 19

E-Mail: libchile [at]
(contact for all Chilean ESO libraries)
Tel: +56-2-463 3153 (Leslie Saldías)
Tel. directly from La Silla: 3153
Fax 1: +49-89-32006645
Fax 2: +56-2-4633101

Introduction to ESO Libraries

For an overview of the services offered by the ESO Libraries, please refer to the following sources:

Staff & Opening Hours

Uta GrothkopfSilvia Meakins and Nathalia Escarlate (Garching)
Leslie Saldías (Chile)

The libraries are open 24 hours per day. Librarians at both facilities are available between 8:30 a.m. and 5:30 p.m. (local time).


Books: approx. 15,000 items
Optical Library G. Franke: 320 items
ESO Historical Archive: 170 items
A collection from Prof. Oort
Current Journal Subscriptions: approx. 150 titles

The Library Catalog contains records of all library items and provides access to electronic publications. Most important electronic journals can also be accessed from the e-journals page.

Loan Policies

Library items can be checked out at the public terminals in the libraries. If you don't have a user account yet or need help, please send us a note or stop by the library office. We don't have strict loan periods. In case an item is requested by somebody else, we will contact the current user. Library staff must have access to borrowed items at any time.

You can review the list of all items currently checked out to your account as follows:

  • access the library catalog (chose Library Catalog on the libraries' homepage or go directly to the catalog's login page)
  • login with your email address (without as user ID and password.

You can safely ignore the Due/Recalled date as we don't apply strict loan periods. If you have any questions regarding this procedure, please let us know. Journals (bound and unbound) cannot be borrowed. If you need any volumes or issues urgently, please contact the librarians

Acquisitions, Requests, etc.

At any time and for all kinds of requests, you are invited to stop by the library office, phone the librarians (phone numbers as indicated above) or use the Library's Web Form.

If you prefer to browse through the books on the library shelves, you might wish to get information about the classification system used by the ESO Libraries on the start page of the library catalog.

When you are leaving ESO: Please return all library items and cross-check your list of borrowed items with the librarians.