Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on August 23, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 87 | S07 | E72 | 04 | 0170 | Beta | Aug 30, 2002 | Sep 5, 2002 | Sep 19, 2002 |
| № 86 | S21 | E27 | 04 | 0020 | Beta | Aug 26, 2002 | Sep 2, 2002 | Sep 16, 2002 |
| № 85 | S10 | E27 | 13 | 0550 | Beta | Aug 26, 2002 | Sep 2, 2002 | Sep 16, 2002 |
| № 84 | S17 | E10 | 18 | 0080 | Beta | Aug 25, 2002 | Sep 1, 2002 | Sep 14, 2002 |
| № 83 | S18 | W05 | 22 | 0100 | Beta-Gamma | Aug 24, 2002 | Aug 31, 2002 | Sep 13, 2002 |
| № 80 | N15 | W35 | 03 | 0020 | Alpha | Aug 21, 2002 | Aug 28, 2002 | Sep 11, 2002 |
| № 79 | S21 | W54 | 14 | 0140 | Beta | Aug 20, 2002 | Aug 27, 2002 | Sep 10, 2002 |
| № 69 | S07 | W73 | 30 | 1420 | Beta-Gamma-Delta | Aug 19, 2002 | Aug 25, 2002 | Sep 8, 2002 |
| № 67 | N10 | W86 | 07 | 0070 | Beta | Aug 18, 2002 | Aug 24, 2002 | Sep 7, 2002 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1973 to August 2002. The gray background is the average SSN index.
