Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on August 17, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 81 | N17 | E63 | 02 | 0050 | Beta | Aug 23, 2002 | Aug 29, 2002 | Sep 12, 2002 |
| № 80 | N16 | E44 | 09 | 0170 | Beta | Aug 21, 2002 | Aug 28, 2002 | Sep 11, 2002 |
| № 79 | S19 | E31 | 12 | 0140 | Beta | Aug 20, 2002 | Aug 27, 2002 | Sep 10, 2002 |
| № 78 | S13 | W37 | 05 | 0060 | Beta | Aug 15, 2002 | Aug 22, 2002 | Sep 4, 2002 |
| № 76 | N12 | E27 | 01 | 0020 | Alpha | Aug 20, 2002 | Aug 27, 2002 | Sep 9, 2002 |
| № 72 | S18 | W89 | 02 | 0120 | Beta | Aug 11, 2002 | Aug 18, 2002 | Sep 1, 2002 |
| № 69 | S07 | E13 | 37 | 1750 | Beta-Gamma-Delta | Aug 19, 2002 | Aug 26, 2002 | Sep 8, 2002 |
| № 68 | S07 | W04 | 03 | 0050 | Beta | Aug 18, 2002 | Aug 24, 2002 | Sep 7, 2002 |
| № 67 | N12 | W04 | 32 | 0200 | Beta | Aug 18, 2002 | Aug 24, 2002 | Sep 7, 2002 |
| № 66 | N14 | W21 | 17 | 0090 | Beta | Aug 16, 2002 | Aug 23, 2002 | Sep 6, 2002 |
| № 63 | N17 | W49 | 06 | 0100 | Beta | Aug 14, 2002 | Aug 21, 2002 | Sep 4, 2002 |
| № 61 | N06 | W96 | 01 | 0080 | Alpha | Aug 11, 2002 | Aug 17, 2002 | Aug 31, 2002 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1973 to August 2002. The gray background is the average SSN index.
