Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on September 12, 2002. Coordinates are given as of the end of the day.
| Group ID | Location | Number of sunspots | Area (msh) | Type | CM Passage | Disappearance (W90) | Reappearance (W270) | |
|---|---|---|---|---|---|---|---|---|
| № 110 | N20 | E05 | 09 | 0100 | Beta | Sep 13, 2002 | Sep 20, 2002 | Oct 4, 2002 |
| № 109 | S08 | E05 | 11 | 0060 | Beta | Sep 13, 2002 | Sep 20, 2002 | Oct 4, 2002 |
| № 108 | S24 | E36 | 02 | 0010 | Beta | Sep 16, 2002 | Sep 23, 2002 | Oct 7, 2002 |
| № 107 | N11 | E30 | 15 | 0170 | Beta | Sep 15, 2002 | Sep 22, 2002 | Oct 6, 2002 |
| № 105 | S09 | E28 | 56 | 1370 | Beta-Gamma-Delta | Sep 15, 2002 | Sep 22, 2002 | Oct 5, 2002 |
| № 103 | N15 | W33 | 35 | 0490 | Beta-Gamma | Sep 10, 2002 | Sep 17, 2002 | Oct 1, 2002 |
| № 101 | N02 | W63 | 03 | 0010 | Beta | Sep 8, 2002 | Sep 15, 2002 | Sep 29, 2002 |
| № 100 | S19 | W64 | 02 | 0030 | Alpha | Sep 8, 2002 | Sep 15, 2002 | Sep 29, 2002 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1973 to September 2002. The gray background is the average SSN index.
