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) | |
|---|---|---|---|---|---|---|---|---|
| № 9653 | S23 | E78 | 01 | 0060 | Alpha | Oct 12, 2001 | Oct 19, 2001 | Nov 2, 2001 |
| № 9652 | N22 | E16 | 02 | 0010 | Beta | Oct 7, 2001 | Oct 14, 2001 | Oct 28, 2001 |
| № 9651 | S22 | W10 | 05 | 0030 | Beta | Oct 5, 2001 | Oct 12, 2001 | Oct 26, 2001 |
| № 9650 | S15 | E56 | 07 | 0040 | Beta | Oct 10, 2001 | Oct 17, 2001 | Oct 31, 2001 |
| № 9649 | S08 | E58 | 01 | 0040 | Alpha | Oct 10, 2001 | Oct 17, 2001 | Oct 31, 2001 |
| № 9648 | S06 | E51 | 01 | 0110 | Alpha | Oct 10, 2001 | Oct 16, 2001 | Oct 30, 2001 |
| № 9646 | N13 | W00 | 03 | 0010 | Beta | Oct 6, 2001 | Oct 13, 2001 | Oct 26, 2001 |
| № 9645 | S17 | W39 | 09 | 0150 | Beta | Oct 3, 2001 | Oct 10, 2001 | Oct 23, 2001 |
| № 9644 | N20 | W40 | 01 | 0010 | Alpha | Oct 3, 2001 | Oct 10, 2001 | Oct 23, 2001 |
| № 9642 | N05 | E04 | 01 | 0030 | Alpha | Oct 6, 2001 | Oct 13, 2001 | Oct 26, 2001 |
| № 9641 | S13 | W17 | 07 | 0140 | Beta | Oct 5, 2001 | Oct 11, 2001 | Oct 25, 2001 |
| № 9640 | N11 | W25 | 05 | 0020 | Beta | Oct 4, 2001 | Oct 11, 2001 | Oct 24, 2001 |
| № 9639 | N07 | W75 | 01 | 0010 | Alpha | Sep 30, 2001 | Oct 7, 2001 | Oct 21, 2001 |
| № 9637 | S14 | W60 | 05 | 0060 | Beta | Oct 1, 2001 | Oct 8, 2001 | Oct 22, 2001 |
| № 9636 | N13 | W68 | 07 | 0150 | Beta-Gamma | Oct 1, 2001 | Oct 8, 2001 | Oct 21, 2001 |
| № 9634 | N12 | W74 | 04 | 0110 | Beta | Sep 30, 2001 | Oct 7, 2001 | Oct 21, 2001 |
| № 9633 | N23 | W80 | 01 | 0060 | Alpha | Sep 30, 2001 | Oct 7, 2001 | Oct 20, 2001 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1972, January to 2001, October. Gray background - average solar cycle.
