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) | |
|---|---|---|---|---|---|---|---|---|
| № 90 | S03 | E49 | 01 | 0010 | Alpha | Sep 1, 2002 | Sep 7, 2002 | Sep 21, 2002 |
| № 88 | S23 | W67 | 05 | 0200 | Beta | Aug 23, 2002 | Aug 30, 2002 | Sep 13, 2002 |
| № 87 | S08 | E22 | 09 | 0390 | Beta | Aug 30, 2002 | Sep 5, 2002 | Sep 19, 2002 |
| № 85 | S09 | W18 | 12 | 0500 | Beta | Aug 27, 2002 | Sep 2, 2002 | Sep 16, 2002 |
| № 84 | S17 | W38 | 03 | 0050 | Beta | Aug 25, 2002 | Sep 1, 2002 | Sep 15, 2002 |
| № 83 | S19 | W55 | 02 | 0090 | Alpha | Aug 24, 2002 | Aug 31, 2002 | Sep 13, 2002 |
| № 80 | N12 | W82 | 03 | 0080 | Beta | Aug 22, 2002 | Aug 29, 2002 | Sep 11, 2002 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1973, January to 2002, August. Gray background - average solar cycle.
