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) | |
|---|---|---|---|---|---|---|---|---|
| № 9654 | N07 | E06 | 01 | 0010 | Alpha | Oct 7, 2001 | Oct 14, 2001 | Oct 28, 2001 |
| № 9653 | S22 | E62 | 04 | 0220 | Beta | Oct 12, 2001 | Oct 19, 2001 | Nov 2, 2001 |
| № 9652 | N22 | E01 | 01 | 0010 | Alpha | Oct 7, 2001 | Oct 14, 2001 | Oct 28, 2001 |
| № 9651 | S23 | W26 | 05 | 0030 | Beta | Oct 5, 2001 | Oct 12, 2001 | Oct 26, 2001 |
| № 9650 | S14 | E44 | 10 | 0080 | Beta | Oct 10, 2001 | Oct 17, 2001 | Oct 31, 2001 |
| № 9648 | S06 | E38 | 03 | 0110 | Alpha | Oct 10, 2001 | Oct 17, 2001 | Oct 30, 2001 |
| № 9647 | S18 | W08 | 02 | 0010 | Beta | Oct 6, 2001 | Oct 13, 2001 | Oct 27, 2001 |
| № 9645 | S18 | W55 | 08 | 0120 | Beta | Oct 3, 2001 | Oct 10, 2001 | Oct 23, 2001 |
| № 9642 | N05 | W12 | 01 | 0020 | Alpha | Oct 6, 2001 | Oct 13, 2001 | Oct 26, 2001 |
| № 9641 | S13 | W34 | 03 | 0130 | Beta | Oct 4, 2001 | Oct 11, 2001 | Oct 25, 2001 |
| № 9637 | S12 | W77 | 01 | 0040 | Alpha | Oct 1, 2001 | Oct 8, 2001 | Oct 22, 2001 |
| № 9636 | N13 | W82 | 01 | 0170 | Alpha | Oct 1, 2001 | Oct 8, 2001 | Oct 21, 2001 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1972, January to 2001, October. Gray background - average solar cycle.
