RUS↔ENG

Active areas

sunspots

Sunspots and active regions

By the end of the day, the following active regions with sunspots could be observed on the Sun's surface
Group IDLocationNumber of sunspotsArea (msh)TypeCM PassageDisappearance (W90)Reappearance (W270)
№ 2689N12W65020040AlphaNov 26, 2017Dec 3, 2017Dec 16, 2017

Solar cycle progression

Average monthly sunspot number (SSN) from 1988, January to 2017, November. Gray background - average solar cycle.
Average monthly sunspot number (SSN) from 1988, January to 2017, November