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) | |
|---|---|---|---|---|---|---|---|---|
| № 103 | N15 | E46 | 20 | 0120 | Beta | Sep 10, 2002 | Sep 17, 2002 | Oct 1, 2002 |
| № 102 | N08 | E26 | 01 | 0010 | Alpha | Sep 9, 2002 | Sep 16, 2002 | Sep 29, 2002 |
| № 101 | N02 | E17 | 01 | 0010 | Alpha | Sep 8, 2002 | Sep 15, 2002 | Sep 29, 2002 |
| № 100 | S20 | E18 | 10 | 0130 | Beta | Sep 8, 2002 | Sep 15, 2002 | Sep 29, 2002 |
| № 99 | S05 | W30 | 04 | 0030 | Beta | Sep 5, 2002 | Sep 12, 2002 | Sep 25, 2002 |
| № 98 | S10 | E11 | 02 | 0010 | Beta | Sep 8, 2002 | Sep 15, 2002 | Sep 28, 2002 |
| № 97 | N12 | W34 | 13 | 0110 | Beta | Sep 4, 2002 | Sep 11, 2002 | Sep 25, 2002 |
| № 96 | S16 | W02 | 22 | 0220 | Beta | Sep 7, 2002 | Sep 14, 2002 | Sep 27, 2002 |
| № 95 | N08 | W17 | 46 | 0500 | Beta-Gamma | Sep 6, 2002 | Sep 13, 2002 | Sep 26, 2002 |
| № 94 | S19 | W27 | 06 | 0120 | Beta | Sep 5, 2002 | Sep 12, 2002 | Sep 26, 2002 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1973, January to 2002, September. Gray background - average solar cycle.

