Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on September 1, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 98 | S10 | E76 | 02 | 0030 | Alpha | Sep 8, 2002 | Sep 15, 2002 | Sep 28, 2002 |
| № 97 | N13 | E36 | 03 | 0020 | Beta | Sep 5, 2002 | Sep 12, 2002 | Sep 25, 2002 |
| № 96 | S14 | E62 | 03 | 0140 | Beta | Sep 7, 2002 | Sep 14, 2002 | Sep 27, 2002 |
| № 95 | N07 | E51 | 28 | 0810 | Beta-Gamma-Delta | Sep 6, 2002 | Sep 13, 2002 | Sep 26, 2002 |
| № 94 | S17 | E40 | 05 | 0200 | Beta | Sep 5, 2002 | Sep 12, 2002 | Sep 26, 2002 |
| № 90 | S04 | W20 | 08 | 0060 | Beta | Aug 31, 2002 | Sep 7, 2002 | Sep 21, 2002 |
| № 87 | S08 | W47 | 23 | 0300 | Beta-Gamma | Aug 29, 2002 | Sep 5, 2002 | Sep 19, 2002 |
| № 85 | S08 | W89 | 01 | 0180 | Alpha | Aug 26, 2002 | Sep 2, 2002 | Sep 16, 2002 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1973 to September 2002. The gray background is the average SSN index.
