Solar activity in early December 2020.

A series of solar activity observations from December 5–7 and 12, 2020. Exposure information: December 5, 2020 – ISO 100, 1/125 s, about 400 frames December 6, 2020 – ISO 100, 1/80 s, about 400 frames December 7, 2020 – ISO 100, 1/160 s, about 400 frames December 12, 2020 – ISO 100, 1/250 s, about 300 frames Wolf number values for December 2020 according to the Royal Observatory of Belgium (http://www.sidc.be/silso/datafiles).