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)
№ 9741N06E56020010AlphaDec 20, 2001Dec 27, 2001Jan 10, 2002
№ 9740S06E42010010AlphaDec 19, 2001Dec 26, 2001Jan 8, 2002
№ 9739S13W15090060BetaDec 15, 2001Dec 22, 2001Jan 4, 2002
№ 9738S20E40070060BetaDec 19, 2001Dec 26, 2001Jan 9, 2002
№ 9737S28W00080040BetaDec 16, 2001Dec 23, 2001Jan 6, 2002
№ 9736S10W82030060BetaDec 10, 2001Dec 17, 2001Dec 30, 2001
№ 9734S13E12010010AlphaDec 17, 2001Dec 24, 2001Jan 6, 2002
№ 9733N14W10580450Beta-Gamma-DeltaDec 15, 2001Dec 22, 2001Jan 5, 2002
№ 9732N03W33010060AlphaDec 14, 2001Dec 20, 2001Jan 3, 2002
№ 9727S21W77120550Beta-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