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)
№ 9742N09E73050150BetaDec 23, 2001Dec 29, 2001Jan 12, 2002
№ 9741N05E43010030AlphaDec 20, 2001Dec 27, 2001Jan 10, 2002
№ 9739S13W30160120BetaDec 15, 2001Dec 22, 2001Jan 4, 2002
№ 9738S18E27130060BetaDec 19, 2001Dec 26, 2001Jan 9, 2002
№ 9737S27W12060070BetaDec 16, 2001Dec 23, 2001Jan 6, 2002
№ 9734S14E01050020BetaDec 17, 2001Dec 24, 2001Jan 7, 2002
№ 9733N14W23570430Beta-Gamma-DeltaDec 15, 2001Dec 22, 2001Jan 5, 2002
№ 9732N03W49010050AlphaDec 13, 2001Dec 20, 2001Jan 3, 2002
№ 9727S22W88040320Beta-Gamma-DeltaDec 10, 2001Dec 17, 2001Dec 31, 2001

Solar cycle progression

Average monthly sunspot number (SSN) from 1972, January to 2001, December. Gray background - average solar cycle.
Average monthly sunspot number (SSN) from 1972, January to 2001, December