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Aurora of November 17, 1882
The Aurora of November 17, 1882 was a geomagnetic storm and associated aurora event, widely reported in the media of the time. It occurred during an extended period of strong geomagnetic activity in solar cycle 12.
The event is particularly remembered in connection with an unusual phenomenon, named an "auroral beam", which was observed from the Royal Observatory, Greenwich by astronomer Edward Walter Maunder.
==Magnetic effects==
The storm was reported in the ''New York Times'' and other newspapers as having an effect on telegraph systems, which were rendered useless in some cases.〔(The Transit of Venus storm ), solarstorms.org〕 The ''Savannah Morning News'' reported that "the switchboard at the Chicago Western Union office was set on fire several times, and much damage to equipment was done. From Milwaukee, the 'volunteer electric current' was at one time strong enough to light up an electric lamp".〔 Measurements taken in the United Kingdom, where the telegraph also was affected, indicated that a telluric current five times stronger than normal was present.〔Angot, A. ''The Aurora Borealis'', London: R. Paul, Trench, Trubner & Co, 1896, p.143〕
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