Active areas
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 ID | Location | Number of sunspots | Area (msh) | Type | CM Passage | Disappearance (W90) | Reappearance (W270) | |
|---|---|---|---|---|---|---|---|---|
| № 9570 | S10 | E76 | 01 | 0100 | Alpha | Aug 13, 2001 | Aug 20, 2001 | Sep 2, 2001 |
| № 9569 | S18 | E10 | 03 | 0020 | Beta | Aug 8, 2001 | Aug 15, 2001 | Aug 28, 2001 |
| № 9568 | S18 | W78 | 03 | 0030 | Beta | Aug 1, 2001 | Aug 8, 2001 | Aug 22, 2001 |
| № 9567 | S15 | W31 | 14 | 0060 | Beta | Aug 5, 2001 | Aug 11, 2001 | Aug 25, 2001 |
| № 9566 | N17 | E08 | 22 | 0130 | Beta-Gamma | Aug 8, 2001 | Aug 14, 2001 | Aug 28, 2001 |
| № 9565 | N03 | W34 | 01 | 0000 | Alpha | Aug 4, 2001 | Aug 11, 2001 | Aug 25, 2001 |
| № 9563 | N23 | W07 | 38 | 0320 | Beta-Gamma | Aug 6, 2001 | Aug 13, 2001 | Aug 27, 2001 |
| № 9562 | N05 | W11 | 07 | 0040 | Beta | Aug 6, 2001 | Aug 13, 2001 | Aug 26, 2001 |
| № 9561 | S13 | W19 | 04 | 0040 | Beta | Aug 6, 2001 | Aug 12, 2001 | Aug 26, 2001 |
| № 9557 | S21 | W51 | 21 | 0560 | Beta-Gamma | Aug 3, 2001 | Aug 10, 2001 | Aug 24, 2001 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1972, January to 2001, August. Gray background - average solar cycle.
