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) | |
|---|---|---|---|---|---|---|---|---|
| № 139 | N14 | E74 | 04 | 0120 | Beta | Oct 9, 2002 | Oct 16, 2002 | Oct 30, 2002 |
| № 138 | N10 | W23 | 02 | 0020 | Alpha | Oct 2, 2002 | Oct 9, 2002 | Oct 22, 2002 |
| № 137 | S18 | E10 | 29 | 0310 | Beta-Gamma | Oct 5, 2002 | Oct 11, 2002 | Oct 25, 2002 |
| № 134 | N13 | W27 | 13 | 0350 | Beta-Gamma | Oct 2, 2002 | Oct 9, 2002 | Oct 22, 2002 |
| № 130 | N04 | W85 | 01 | 0070 | Alpha | Sep 27, 2002 | Oct 4, 2002 | Oct 18, 2002 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1973, January to 2002, October. Gray background - average solar cycle.

