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)
№ 9726S15E69020070BetaDec 9, 2001Dec 16, 2001Dec 30, 2001
№ 9725S11W45030030BetaDec 1, 2001Dec 7, 2001Dec 21, 2001
№ 9724N09E59010050AlphaDec 8, 2001Dec 15, 2001Dec 29, 2001
№ 9723S06E31030020BetaDec 6, 2001Dec 13, 2001Dec 27, 2001
№ 9722S15W34040040BetaDec 1, 2001Dec 8, 2001Dec 22, 2001
№ 9721N13E30070170BetaDec 6, 2001Dec 13, 2001Dec 27, 2001
№ 9720S18E20120040BetaDec 6, 2001Dec 12, 2001Dec 26, 2001
№ 9719N04W51060040BetaNov 30, 2001Dec 7, 2001Dec 20, 2001
№ 9718S06E17300600Beta-GammaDec 5, 2001Dec 12, 2001Dec 26, 2001
№ 9717N05E13060230BetaDec 5, 2001Dec 12, 2001Dec 25, 2001
№ 9716S04W23080040BetaDec 2, 2001Dec 9, 2001Dec 23, 2001
№ 9715N04W37450800Beta-Gamma-DeltaDec 1, 2001Dec 8, 2001Dec 22, 2001
№ 9714S09W95030120BetaNov 27, 2001Dec 4, 2001Dec 17, 2001
№ 9712N12W78010000AlphaNov 28, 2001Dec 5, 2001Dec 19, 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