output
20072025
most citedLong-Lasting Extreme Magnetic Storm Activities in 1770 Found in Historical Documents

61 citations

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Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.

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physics.hist-ph2018★ 13 cited

Sunspot Drawings by Japanese Official Astronomers in 1749-1750

Hisashi Hayakawa, Kiyomi Iwahashi, Masashi Fujiyama +7

Sunspot observations with telescopes in 18th century were carried out in Japan as well. One of these sunspot observations is recorded in an account called Sansaizusetsu narabini Ka…

physics.hist-ph2016★ 33 cited

The earliest drawings of datable auroras and a two-tail comet from the Syriac Chronicle of Zūqnīn

Hisashi Hayakawa, Yasuyuki Mitsuma, Yasunori Fujiwara +7

People have probably been watching the sky since the beginning of human history. Observers in pre-telescopic ages recorded anomalous events and these astronomical records in the hi…