The 1859 Solar–Terrestrial Disturbance And the Current Limits of Extreme Space Weather Activity

Description of a Singular Appearance seen in the Sun on September 1, 1859

R. C. Carrington · Monthly Notices of the Royal Astronomical Society · 1859 · 872 citations · Full text

Natural Sciences, Astronomy, Physics +10

The extreme magnetic storm of 1–2 September 1859

B. T. Tsurutani, W. D. González, G. S. Lakhina et al. · Journal of Geophysical Research Atmospheres · 2003 · 559 citations

Natural Sciences, Astronomy, Earth Sciences +13

Three Unusual Cosmic-Ray Increases Possibly Due to Charged Particles from the Sun

Scott E. Forbush · Physical Review · 1946 · 407 citations

Natural Sciences, Astronomy, Physics +14

The three‐hour‐range index measuring geomagnetic activity

J. Bartels, N. H. Heck, Hamish Johnston · Terrestrial Magnetism and Atmospheric Electricity · 1939 · 395 citations

Natural Sciences, Earth Sciences, Geophysics +13

The<i>aa</i>indices: A 100-year series characterizing the magnetic activity

Pierre-Noël Mayaud · Journal of Geophysical Research Atmospheres · 1972 · 341 citations

Natural Sciences, Earth Sciences, Geophysics +17