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) | |
|---|---|---|---|---|---|---|---|---|
| № 9593 | N00 | E01 | 02 | 0010 | Beta | Aug 25, 2001 | Sep 1, 2001 | Sep 14, 2001 |
| № 9592 | S08 | W73 | 05 | 0080 | Beta | Aug 20, 2001 | Aug 26, 2001 | Sep 9, 2001 |
| № 9591 | S17 | E53 | 28 | 0730 | Beta-Gamma-Delta | Aug 29, 2001 | Sep 5, 2001 | Sep 19, 2001 |
| № 9590 | S28 | E37 | 04 | 0190 | Alpha | Aug 28, 2001 | Sep 4, 2001 | Sep 18, 2001 |
| № 9589 | N16 | W59 | 10 | 0060 | Beta | Aug 21, 2001 | Aug 27, 2001 | Sep 10, 2001 |
| № 9585 | N14 | W16 | 38 | 0240 | Beta | Aug 24, 2001 | Aug 31, 2001 | Sep 13, 2001 |
| № 9582 | N28 | W33 | 14 | 0050 | Beta | Aug 22, 2001 | Aug 29, 2001 | Sep 13, 2001 |
| № 9580 | N24 | W43 | 02 | 0110 | Alpha | Aug 22, 2001 | Aug 29, 2001 | Sep 12, 2001 |
| № 9575 | N10 | W86 | 01 | 0090 | Alpha | Aug 19, 2001 | Aug 25, 2001 | Sep 8, 2001 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1972, January to 2001, August. Gray background - average solar cycle.
