Boletín del Observatorio del Ebro
Observaciones Solares 2021

Volume CIX

Coordination
J. Germán Solé

Photographies and measurements
Miguel Calonge, Miguel Ángel Barroso, Xavier Monllau

Computer development
Oscar Cid, Miquel Blanca

Copyright: Observatori de l'Ebre
Edited by: Observatori de l'Ebre
ISSN: 1885-9690

Observatori de l'Ebre, Roquetes (2023)

Members of the board of trustees of the Ebre Observatory

The Observatori de l'Ebre is governed by a non-profit foundation, whose board of trustees is formed by the Administration of the Generalitat de Catalunya, to which it is attached through the department responsible for land policy, the Meteorological Service of Catalonia, the Cartographic and Geological Institute of Catalonia, a patron appointed by the head of the department of the Administration of the Generalitat de Catalunya responsible for the environment, two patrons appointed by the head of the department responsible for the environment, and two patrons appointed by the head of the department of the Administration of the Generalitat de Catalunya responsible for the environment, two patrons appointed by the head of the department of the Administration of the Generalitat de Catalunya responsible for research, the Consejo Superior de Investigaciones Científicas, the Diputació de Tarragona, the Instituto Geográfico Nacional, the City Council of Roquetes, the City Council of Tortosa and the Agencia Estatal de Meteorología.