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) | |
|---|---|---|---|---|---|---|---|---|
| № 102 | N09 | E65 | 01 | 0050 | Alpha | Sep 9, 2002 | Sep 16, 2002 | Sep 29, 2002 |
| № 101 | N02 | E56 | 01 | 0040 | Alpha | Sep 8, 2002 | Sep 15, 2002 | Sep 28, 2002 |
| № 100 | S19 | E56 | 06 | 0210 | Beta | Sep 8, 2002 | Sep 15, 2002 | Sep 29, 2002 |
| № 99 | S04 | E12 | 08 | 0070 | Beta | Sep 5, 2002 | Sep 12, 2002 | Sep 25, 2002 |
| № 98 | S09 | E51 | 02 | 0030 | Beta | Sep 8, 2002 | Sep 15, 2002 | Sep 28, 2002 |
| № 97 | N13 | E08 | 19 | 0110 | Beta | Sep 5, 2002 | Sep 11, 2002 | Sep 25, 2002 |
| № 96 | S15 | E38 | 10 | 0170 | Beta | Sep 7, 2002 | Sep 14, 2002 | Sep 27, 2002 |
| № 95 | N08 | E24 | 53 | 0840 | Beta-Gamma | Sep 6, 2002 | Sep 13, 2002 | Sep 26, 2002 |
| № 94 | S18 | E13 | 08 | 0160 | Beta | Sep 5, 2002 | Sep 12, 2002 | Sep 26, 2002 |
| № 90 | S06 | W51 | 04 | 0030 | Beta | Aug 31, 2002 | Sep 7, 2002 | Sep 20, 2002 |
| № 87 | S08 | W74 | 05 | 0180 | Beta | Aug 29, 2002 | Sep 5, 2002 | Sep 19, 2002 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1973, January to 2002, September. Gray background - average solar cycle.
