versão impressa ISSN 0016-7169
SCHRODER, Wilfried. On the frequency of auroras over Germany. Geofís. Intl [online]. 2011, vol.50, n.4, pp.439-444. ISSN 0016-7169.
A compilation of 171 German auroral observations between 1946 and 1964, not published previously, is presented. The data are analysed with respect to the Kp-index, sunspot numbers and seasonal variation. Also we include the full list of such observations.
Palavras-chave : aurora; mid-latitudes; geomagnetic activity.