Who we are ?

The OCA library gathers three libraries in the field of Astronomy and Planet Science :                      

Nice Mont-Gros library                                                                                                            

Nice Valrose library

  • since 2008
  • specialized in Astrophysics
  • affiliated with the Lagrange laboratory

Sophia-Antipolis Library

  • founded in  2012, it gathers the collections of 3 ancient libraries
    (Villefranche-sur Mer library  ; ancient Sophia-Antipolis library  ; Grasse library)
  • specialized  in Geophysics and geodesy
  • affiliated with the Geoazur laboratory


  • The three OCA libraries support the research and teaching activities of the Observatory.
  • In cooperation with others library networks, each OCA library provides access to materials and information, together with assistance and training in location and use of these materials.

Key figures

  • Public reception : 3 reading rooms (211 m2) - 38 seats (35 dedicated to work group - 3 individual offices) .
  • Collection (April. 25 2024)  : 26899  titles (periodical titles 2195)
  • Communication : 1 unique portail to access resources and services  - 1 newsletter  "Biblonews"  - 1 email address for all the requests (biblio@oca.eu)


Since many years, the OCA library has been developing partnerships to facilitate access to electronic resources and the documentary holdings of its members.

  • All the OCA laboratories have the right to access the online resources of BibCNRS portal via their specialized institutes, INSU or INSIS.
  • The OCA library  is member of  the Université Côte d'Azur 's libraries network.
  • Since 2016, the OCA library register its collections in the UniCA catalog and the SUDOC national catalog.

BIB2021 3BIB