Solar Physics

, 292:33 | Cite as

Evidence of a White-Light Flare on 10 September 1886

  • J. M. Vaquero
  • M. Vázquez
  • J. Sánchez Almeida


We present evidence of the occurrence of a white-light flare on 10 September 1886. It represents the third such rare event reported in the history of astronomy. The flare was mentioned by Valderrama (L’Astronomie 5, 388, 1886). In this article we have used the original logbook of the observer, J. Valderrama y Aguilar, an amateur astronomer who lived in Madrid and Santa Cruz de Tenerife at that time.


Solar flares White-light flares 



We thank the IAC librarian, M. Gómez, for putting at our disposal the materials used in this study. They were found by J.A. Bonet, and his participation in the early phases of the project is acknowledged. The support from the Junta de Extremadura (Research Group Grants GR15137) and from the Ministerio de Economía y Competitividad of the Spanish Government (AYA2014-57556-P and AYA2013-47742-C04-02-P) is gratefully acknowledged.

Disclosure of Potential Conflicts of Interest

The authors declare that they have no conflicts of interest.


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Copyright information

© Springer Science+Business Media Dordrecht 2017

Authors and Affiliations

  • J. M. Vaquero
    • 1
    • 2
  • M. Vázquez
    • 3
    • 4
  • J. Sánchez Almeida
    • 3
    • 4
  1. 1.Departamento de FísicaUniversidad de ExtremaduraMéridaSpain
  2. 2.Instituto Universitario de Investigación del Agua, Cambio Climático y Sostenibilidad (IACYS)Universidad de ExtremaduraBadajozSpain
  3. 3.Instituto de Astrofísica de CanariasLa LagunaSpain
  4. 4.Departamento de AstrofísicaUniversidad de La LagunaLa LagunaSpain

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