Iwahashi Zenbei’s Sunspot Drawings in 1793 in Japan

Three Japanese sunspot drawings associated with Iwahashi Zenbei (1756 – 1811) are shown here from contemporary manuscripts and woodprint documents with the relevant texts. We reveal the observational date of one of the drawings to be 26 August 1793, and the overall observations lasted for over a yea...

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Veröffentlicht in:	Solar physics 2018, Vol.293 (1), p.1-13, Article 8
Hauptverfasser:	Hayakawa, Hisashi, Iwahashi, Kiyomi, Tamazawa, Harufumi, Toriumi, Shin, Shibata, Kazunari
Format:	Artikel
Sprache:	eng
Schlagworte:	Asian history Astrophysics and Astroparticles Atmospheric Sciences Celestial bodies Physics Physics and Astronomy Solar observations Solar physics Space Exploration and Astronautics Space Sciences (including Extraterrestrial Physics Sunspot numbers Sunspots
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