Sunspots and active regions — August 18, 2002
Sunspots and active regions
By the end of the day, the following active regions with sunspots could be observed on the Sun's surface
| Group ID | Location | Number of sunspots | Area (msh) | Type | CM Passage | Disappearance (W90) | Reappearance (W270) | |
|---|---|---|---|---|---|---|---|---|
| № 83 | S18 | E69 | 02 | 0050 | Beta | Aug 24, 2002 | Aug 31, 2002 | Sep 14, 2002 |
| № 82 | N21 | E08 | 02 | 0020 | Alpha | Aug 19, 2002 | Aug 26, 2002 | Sep 9, 2002 |
| № 81 | N17 | E49 | 02 | 0020 | Alpha | Aug 23, 2002 | Aug 29, 2002 | Sep 12, 2002 |
| № 80 | N16 | E32 | 11 | 0140 | Beta | Aug 21, 2002 | Aug 28, 2002 | Sep 11, 2002 |
| № 79 | S21 | E20 | 23 | 0150 | Beta | Aug 20, 2002 | Aug 27, 2002 | Sep 10, 2002 |
| № 78 | S14 | W51 | 02 | 0060 | Beta | Aug 15, 2002 | Aug 22, 2002 | Sep 4, 2002 |
| № 76 | N12 | E13 | 01 | 0020 | Alpha | Aug 20, 2002 | Aug 27, 2002 | Sep 9, 2002 |
| № 69 | S07 | W01 | 58 | 1950 | Beta-Gamma-Delta | Aug 19, 2002 | Aug 26, 2002 | Sep 8, 2002 |
| № 68 | S08 | W18 | 06 | 0040 | Beta | Aug 17, 2002 | Aug 24, 2002 | Sep 7, 2002 |
| № 67 | N12 | W18 | 28 | 0160 | Beta | Aug 17, 2002 | Aug 24, 2002 | Sep 7, 2002 |
| № 66 | N13 | W34 | 13 | 0050 | Beta | Aug 16, 2002 | Aug 23, 2002 | Sep 6, 2002 |
| № 63 | N18 | W60 | 01 | 0070 | Alpha | Aug 14, 2002 | Aug 21, 2002 | Sep 4, 2002 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1973, January to 2002, August. Gray background - average solar cycle.
