Open Access

Fig. 1


Download original image

European locations where aurora was recorded on (a) 6, (b) 7, and (c) 8 March 1582 according to Hattori et al. (2019) (red dots) and this work (green dots) (modified from Hattori et al. 2019).

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.