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Exceptional geomagnetic storms were observed in late August and early September 1859. Auroras were observed around the world, and telegraph wires were damaged. Until now, there has been no evidence published of auroral observations in Spain during this famous space weather event. This paper presents Spanish observations that show the aspect of this great aurora from Spain, and the concurrent effects on European telegraph wires. We also computed the variation of the geomagnetic declination in Spain during recent centuries to put these records into context.

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W Schröder ed.: The Einstein Century of Physics - The First Quarter (Collected papers by Hans-Jürgen Treder), Beitr. Gesch. Physik u. kosm. Physik, Science Ed., Bremen, Vol.\ 5, 2001, 52 pp; W Schröder ed.: Solar Variability and Geomagnetism. Beitr. Gesch. Geophysik u. kosm. Physik, Science Edition, Bremen/Potsdam, Vol. 3, No. 2, (and IAGA IDCH Newsletter, No. 44) 2002, 300 pp; W. Schröder ed.: Alte und neue Probleme der Physik und Geophysik. Beitr. Gesch. Geophysik u. kosm. Physik, Science Edition, Bremen/Potsdam, Vol. 4, No.1, (and IAGA IDCH Newsletter, No. 46), 2003, 160 pp; W. Schröder ed.: Leuchtende Nachtwolken/Noctilucent clouds. Beitr. Gesch. Geophysik u. kosm. Physik, Arbeitskreis Gesch. Geoph. u. kosm. Physik, Science Edition, Vol. 4, No. 2, 2003, 182 pp; W. Schröder ed.: Das Polarlicht (Hermann Fritz und die Polarlichtforschung)/The Aurora Borealis (Hermann Fritz and the Foundation of Auroral Research). Beitr. Gesch. Geophysik u. kosm. Physik,  Arbeitskreis Gesch. Geoph. u. kosm. Physik, Science Edition, Vol. 5, No. 1, 2004, 60 pp;

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: ArSV-1 – Arabuta snake virus 1, ArBV-1 – Aramboia boa virus 1, ABV - Aurora borealis virus, BSV-1 – Bis spoeter virus, CASV – California Academy of Science Virus, FStV-1 - Frankfurter Strasse virus 1, GauV-1 – Gaucho virus 1, GOGV – Golden Gate virus

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