Open Access

Fig. 1


Download original image

The auroral painting on 11 February 1958. The information written in Japanese can be translated in English as follows: Northern light; 2105 JST on February 11, 1958. Observation site; Gakko-cho Hama, Niigata City. Observer; Shigeru Kazama (17 years old). Weather; slightly cloudy, weak wind, 5 °C. Others; the color was dark-red, looked like a fire of cities far away.

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.