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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)
№ 2706N02E17120080betaApr 25, 2018May 2, 2018May 15, 2018

Solar cycle progression

Average monthly sunspot number (SSN) from 1989, January to 2018, April. Gray background - average solar cycle.
Average monthly sunspot number (SSN) from 1989, January to 2018, April