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) | |
|---|---|---|---|---|---|---|---|---|
| № 9674 | S08 | E34 | 04 | 0060 | Beta | Oct 24, 2001 | Oct 30, 2001 | Nov 13, 2001 |
| № 9673 | N04 | E58 | 01 | 0130 | Alpha | Oct 25, 2001 | Nov 1, 2001 | Nov 15, 2001 |
| № 9672 | S20 | E53 | 04 | 0160 | Alpha | Oct 25, 2001 | Nov 1, 2001 | Nov 15, 2001 |
| № 9671 | N16 | E04 | 14 | 0100 | Beta | Oct 21, 2001 | Oct 28, 2001 | Nov 11, 2001 |
| № 9670 | S18 | E32 | 20 | 0530 | Beta-Gamma | Oct 23, 2001 | Oct 30, 2001 | Nov 13, 2001 |
| № 9669 | N13 | E14 | 27 | 0170 | Beta | Oct 22, 2001 | Oct 29, 2001 | Nov 11, 2001 |
| № 9667 | N26 | E06 | 05 | 0040 | Beta | Oct 21, 2001 | Oct 28, 2001 | Nov 11, 2001 |
| № 9662 | N11 | W66 | 05 | 0070 | Beta | Oct 16, 2001 | Oct 23, 2001 | Nov 5, 2001 |
| № 9661 | N16 | W35 | 21 | 0620 | Beta-Gamma-Delta | Oct 18, 2001 | Oct 25, 2001 | Nov 8, 2001 |
| № 9658 | S14 | W61 | 18 | 0230 | Beta-Gamma | Oct 16, 2001 | Oct 23, 2001 | Nov 6, 2001 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1972, January to 2001, October. Gray background - average solar cycle.
