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)
№ 9539S18E26050030BetaJul 16, 2001Jul 23, 2001Aug 6, 2001
№ 9538N18E68010140AlphaJul 19, 2001Jul 26, 2001Aug 9, 2001
№ 9537S06E25100060BetaJul 16, 2001Jul 23, 2001Aug 5, 2001
№ 9536N12E23050020BetaJul 16, 2001Jul 23, 2001Aug 5, 2001
№ 9535N08E48010120AlphaJul 18, 2001Jul 24, 2001Aug 7, 2001
№ 9533S09W12070030BetaJul 13, 2001Jul 20, 2001Aug 2, 2001
№ 9531S06W33070060BetaJul 12, 2001Jul 18, 2001Aug 1, 2001
№ 9529N07W48030050AlphaJul 10, 2001Jul 17, 2001Jul 31, 2001

Solar cycle progression

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