Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on August 20, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 85 | S11 | E71 | 05 | 0460 | Beta | Aug 26, 2002 | Sep 2, 2002 | Sep 16, 2002 |
| № 84 | S16 | E52 | 01 | 0100 | Alpha | Aug 25, 2002 | Sep 1, 2002 | Sep 14, 2002 |
| № 83 | S18 | E38 | 05 | 0050 | Beta | Aug 24, 2002 | Aug 31, 2002 | Sep 13, 2002 |
| № 80 | N16 | E05 | 10 | 0130 | Beta | Aug 21, 2002 | Aug 28, 2002 | Sep 11, 2002 |
| № 79 | S22 | W06 | 38 | 0430 | Beta | Aug 20, 2002 | Aug 27, 2002 | Sep 10, 2002 |
| № 76 | N12 | W13 | 01 | 0020 | Alpha | Aug 20, 2002 | Aug 27, 2002 | Sep 9, 2002 |
| № 69 | S08 | W28 | 60 | 1990 | Beta-Gamma-Delta | Aug 19, 2002 | Aug 26, 2002 | Sep 8, 2002 |
| № 68 | S08 | W51 | 02 | 0030 | Beta | Aug 17, 2002 | Aug 24, 2002 | Sep 6, 2002 |
| № 67 | N10 | W46 | 09 | 0090 | Beta | Aug 17, 2002 | Aug 24, 2002 | Sep 7, 2002 |
| № 66 | N14 | W58 | 05 | 0060 | Beta | Aug 16, 2002 | Aug 23, 2002 | Sep 6, 2002 |
| № 63 | N17 | W86 | 01 | 0060 | Alpha | Aug 14, 2002 | Aug 21, 2002 | Sep 4, 2002 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1973 to August 2002. The gray background is the average SSN index.
