Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on August 24, 2001. Coordinates are given as of the end of the day.
| Group ID | Location | Number of sunspots | Area (msh) | Type | CM Passage | Disappearance (W90) | Reappearance (W270) | |
|---|---|---|---|---|---|---|---|---|
| № 9593 | N00 | E03 | 02 | 0010 | Beta | Aug 25, 2001 | Sep 1, 2001 | Sep 14, 2001 |
| № 9592 | S08 | W71 | 05 | 0080 | Beta | Aug 20, 2001 | Aug 26, 2001 | Sep 9, 2001 |
| № 9591 | S17 | E55 | 28 | 0730 | Beta-Gamma-Delta | Aug 29, 2001 | Sep 5, 2001 | Sep 19, 2001 |
| № 9590 | S28 | E39 | 04 | 0190 | Alpha | Aug 28, 2001 | Sep 4, 2001 | Sep 18, 2001 |
| № 9589 | N16 | W57 | 10 | 0060 | Beta | Aug 21, 2001 | Aug 27, 2001 | Sep 10, 2001 |
| № 9585 | N14 | W14 | 38 | 0240 | Beta | Aug 24, 2001 | Aug 31, 2001 | Sep 13, 2001 |
| № 9582 | N28 | W31 | 14 | 0050 | Beta | Aug 22, 2001 | Aug 29, 2001 | Sep 13, 2001 |
| № 9580 | N24 | W41 | 02 | 0110 | Alpha | Aug 22, 2001 | Aug 29, 2001 | Sep 12, 2001 |
| № 9575 | N10 | W84 | 01 | 0090 | Alpha | Aug 19, 2001 | Aug 25, 2001 | Sep 8, 2001 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1972 to August 2001. The gray background is the average SSN index.