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) | |
|---|---|---|---|---|---|---|---|---|
| № 9596 | N23 | E79 | 01 | 0120 | Alpha | Sep 2, 2001 | Sep 9, 2001 | Sep 23, 2001 |
| № 9594 | N37 | W10 | 01 | 0000 | Alpha | Aug 26, 2001 | Sep 2, 2001 | Sep 17, 2001 |
| № 9591 | S19 | E32 | 32 | 0740 | Beta-Gamma-Delta | Aug 29, 2001 | Sep 5, 2001 | Sep 19, 2001 |
| № 9590 | S29 | E12 | 03 | 0180 | Alpha | Aug 28, 2001 | Sep 4, 2001 | Sep 18, 2001 |
| № 9587 | S10 | W50 | 07 | 0060 | Beta | Aug 23, 2001 | Aug 30, 2001 | Sep 13, 2001 |
| № 9585 | N13 | W44 | 17 | 0110 | Beta | Aug 24, 2001 | Aug 30, 2001 | Sep 13, 2001 |
| № 9580 | N24 | W68 | 01 | 0090 | Alpha | Aug 22, 2001 | Aug 29, 2001 | Sep 12, 2001 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1972, January to 2001, August. Gray background - average solar cycle.
