The Astronomical Observatory Ramón María Aller of the University of Santiago de Compostela was founded in 1943 by Dr. Ramón María Aller as a continuation of his private Observatory in Lalin (province Pontevedra, Spain). Since then, its investigations yielded in numerous scientific publications presented both in international and spanish journals.

Among the investigation areas developed by its staff one must note mainly the study of double and multiple stars a scentific topic first introduced in Spain by Fr. Aller. Since 1982 the Observatory developed 14 Investigation Projects which allow its scientists to travel in many astronomical Centers in Europe, America and Asia and collaborate with the colleagues over there. Four Agreements on scientific cooperation have been signed as well as different science meetings and workshops organized. 

Actually, the International Astronomical Union Commission G1 (previously 26) Information Circular is being quarterly edited at observatory, and the catalog of orbits and ephemerides of visual double stars, OARMAC is maintained.

Among its current instrumentation the original refractor donated by founder as well as a modern speckle interferometry camera and ocultation photometer must be noted.

Due to its character, Observatory are performing an intense teaching activity where the University students who learn an Astronomy course are carrying out their practical classes. In addition to this, the staff of the Area of Astronomy and Astrophysics teach subjects in the degrees in Mathematics, Physics, Optics, and Robotics, and in the master in Mathematics (Astrodinamics), and they have directed many PhD dissertations. The Library of  Observatory is one of the most complete in its gender in Spain. 

A large number of the cultural and  public outreach activities have been promoted in the recent years by the Administration of the Observatory. A Memoria is published annualy, and mass media are continuously informed on the most remarkable astronomical events.

Two stations (manual and automatic) are installed just in Observatory garden where the meteorological data corresponding to the city of Santiago de Compostela are being obtained. 

Between 1991 and 2002, an agreement with the local Government of Galicia Community (Xunta de Galicia) for the construction of the Astronomical Observatory at Monte Faro and its complementary installations was developed.

    Prof. Dr.  José-Angel Docobo

   Emeritus Professor of Astronomy