Open Access
J. Space Weather Space Clim.
Volume 7, 2017
Article Number A15
Number of page(s) 6
Published online 09 June 2017
  • Arlt, R. Digitization of sunspot drawings by Staudacher in 1749–1796. Sol. Phys., 247, 399–410, 2008. [Google Scholar]
  • Chatzistergos, T., I.G. Usoskin, G.A. Kovaltsov, N.A. Krivova, and S.K. Solanki. New reconstruction of the sunspot group number since 1739 using direct calibration and backbone methods. A&A, 2017, DOI: 10.1051/0004-6361/201630045. [Google Scholar]
  • Clette, F., L. Svalgaard, J.M. Vaquero, and E.W. Cliver. Revisiting the sunspot number. Space Sci. Rev., 186, 35–103, 2014, DOI: 10.1007/s11214-014-0074-2. [Google Scholar]
  • Clette, F., E.W. Cliver, L. Lefèvre, L. Svalgaard, J.M. Vaquero, and J.W. Leibacher. Preface to topical issue: recalibration of the sunspot number. Sol. Phys., 291, 2479–2486, 2016, DOI: 10.1007/s11207-016-1017-8. [Google Scholar]
  • Espenak, F., and J. Meeus. Five millennium canon of solar eclipses: −1999 to +3000, NASA TP-2006–214141, Maryland, NASA Center for AeroSpace Information, 2006. [Google Scholar]
  • Hoyt, D.V., and K.H. Schatten. Group sunspot numbers: a new solar activity reconstruction. Sol. Phys., 179, 189–219, 1998. [Google Scholar]
  • León y Gama, A Descripción orthographica universal del eclipse de sol del día 24 de Junio de 1778, Mexico, Imprenta nueva Matritense de D. Felipe de Zúñiga y Ontiveros, 1778. [Google Scholar]
  • López Espinosa, J.A. La primera revista médica de América. ACIMED, 8 (2), 133–139, 2000. [Google Scholar]
  • Owens, B. Slow science. Nature, 495, 300–303, 2013. [Google Scholar]
  • Soberón Mora, A. Felipe de Zúñiga y Ontiveros, un impresor ilustrado en la Nueva España. TEMPUS, 1, 51–75, 1993. [Google Scholar]
  • Svalgaard, L., and K.H. Schatten. Reconstruction of the sunspot group number: the backbone method. Sol. Phys., 291, 2653–2684, 2016, DOI: 10.1007/s11207-015-0815-8. [Google Scholar]
  • Svalgaard, L.A. Recount of sunspot groups on Staudach’s drawings. Sol. Phys., 292, 4, 2017, DOI: 10.1007/s11207-016-1023-x. [Google Scholar]
  • Usoskin, I.G. A history of solar activity over millennia. Living Rev. Sol. Phys., 14 (3), 1–97, 2017. [Google Scholar]
  • Usoskin, I.G., G.A. Kovaltsov, M. Lockwood, K. Mursula, M. Owens, and S.K. Solanki. A new calibrated sunspot group series since 1749: statistics of active day fractions. Sol. Phys., 291, 2685–2708, 2016, DOI: 10.1007/s11207-015-0838-1. [Google Scholar]
  • Vaquero, J.M. On the solar activity during the year 1784. Sol. Phys., 219, 379–384, 2004. [Google Scholar]
  • Vaquero, J.M. Historical sunspot observations: A review. Adv. Space Res., 40 (7), 929–941, 2007. [Google Scholar]
  • Vaquero, J.M., and M.A. Moreno-Corral. Historical sunspot records from Mexico. Geofís. Int., 47, 189–192, 2008. [Google Scholar]
  • Vaquero, J.M., R.M. Trigo, M.C. Gallego, and M.A. Moreno Corral. Two early sunspots observers: Teodoro de Almeida and José Antonio Alzate. Sol. Phys., 240, 165–175, 2007. [Google Scholar]
  • Vaquero, J.M., L. Svalgaard, V.M.S. Carrasco, F. Clette, L. Lefèvre, M.C. Gallego, R. Arlt, A.J.P. Aparicio, J.G. Richard, and R. Howe. A revised collection of sunspot group numbers, Sol. Phys., 291, 3061–3074, 2016, DOI: 10.1007/s11207-016-0982-2. [Google Scholar]

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