Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on August 31, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 96 | S14 | E77 | 01 | 0080 | Alpha | Sep 7, 2002 | Sep 14, 2002 | Sep 27, 2002 |
| № 95 | N07 | E67 | 24 | 0450 | Beta-Gamma | Sep 6, 2002 | Sep 13, 2002 | Sep 26, 2002 |
| № 94 | S17 | E56 | 09 | 0160 | Beta | Sep 5, 2002 | Sep 12, 2002 | Sep 26, 2002 |
| № 92 | S19 | W33 | 03 | 0030 | Beta | Aug 29, 2002 | Sep 5, 2002 | Sep 19, 2002 |
| № 90 | S04 | W04 | 13 | 0070 | Beta | Sep 1, 2002 | Sep 7, 2002 | Sep 21, 2002 |
| № 87 | S08 | W31 | 29 | 0230 | Beta-Gamma | Aug 30, 2002 | Sep 5, 2002 | Sep 19, 2002 |
| № 85 | S08 | W74 | 01 | 0280 | Alpha | Aug 26, 2002 | Sep 2, 2002 | Sep 16, 2002 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1973 to August 2002. The gray background is the average SSN index.
