[M-IS23] History X Earth and Planetary Science

[MIS23-P06] Possibility of data use by amateur astronomers: From sunspot observation data at the end of the war

*Harufumi Tamazawa^1,2,3 (1. Institute of Industrial Science, the University of Tokyo, 2. University of Tokyo, 3. Kyoto City University of Arts)

Keywords:amateur astronomers, citizen science