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) | |
|---|---|---|---|---|---|---|---|---|
| № 137 | S17 | E38 | 04 | 0070 | Beta | Oct 5, 2002 | Oct 12, 2002 | Oct 25, 2002 |
| № 135 | S23 | W34 | 02 | 0020 | Beta | Sep 29, 2002 | Oct 6, 2002 | Oct 20, 2002 |
| № 134 | N13 | W00 | 23 | 0270 | Beta-Gamma-Delta | Oct 2, 2002 | Oct 9, 2002 | Oct 22, 2002 |
| № 130 | N04 | W57 | 02 | 0100 | Alpha | Sep 28, 2002 | Oct 4, 2002 | Oct 18, 2002 |
| № 129 | N28 | W51 | 02 | 0020 | Beta | Sep 28, 2002 | Oct 5, 2002 | Oct 19, 2002 |
| № 125 | S10 | W87 | 01 | 0040 | Alpha | Sep 25, 2002 | Oct 2, 2002 | Oct 16, 2002 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1973, January to 2002, October. Gray background - average solar cycle.
