https://books.google.de/books?id=9JatFvikiwQC&redir_esc=y
East-Asian Archaeoastronomy: Historical Records of Astronomical Observations ... - Zhenoao Xu, W....
Historical astronomical records can play an important role in modern research, especially in the case of ancient Chinese observational data: sunspot and aurora...
east asianhistorical recordsarchaeoastronomy