Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on August 13, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 76 | N12 | E77 | 01 | 0060 | Alpha | Aug 20, 2002 | Aug 26, 2002 | Sep 9, 2002 |
| № 75 | S09 | E34 | 05 | 0010 | Beta | Aug 16, 2002 | Aug 23, 2002 | Sep 6, 2002 |
| № 74 | N24 | E01 | 02 | 0010 | Beta | Aug 14, 2002 | Aug 21, 2002 | Sep 4, 2002 |
| № 73 | N16 | W11 | 06 | 0010 | Beta | Aug 13, 2002 | Aug 20, 2002 | Sep 3, 2002 |
| № 72 | S18 | W33 | 08 | 0040 | Beta | Aug 11, 2002 | Aug 18, 2002 | Sep 1, 2002 |
| № 71 | N11 | E58 | 01 | 0030 | Alpha | Aug 18, 2002 | Aug 25, 2002 | Sep 8, 2002 |
| № 70 | N08 | W14 | 02 | 0010 | Alpha | Aug 13, 2002 | Aug 20, 2002 | Sep 2, 2002 |
| № 69 | S07 | E67 | 11 | 1170 | Beta-Gamma | Aug 19, 2002 | Aug 26, 2002 | Sep 8, 2002 |
| № 68 | S07 | E49 | 08 | 0100 | Beta | Aug 18, 2002 | Aug 24, 2002 | Sep 7, 2002 |
| № 67 | N10 | E46 | 09 | 0090 | Beta | Aug 17, 2002 | Aug 24, 2002 | Sep 7, 2002 |
| № 66 | N15 | E32 | 12 | 0030 | Beta | Aug 16, 2002 | Aug 23, 2002 | Sep 6, 2002 |
| № 63 | N16 | E02 | 06 | 0130 | Beta | Aug 14, 2002 | Aug 21, 2002 | Sep 4, 2002 |
| № 61 | N08 | W39 | 12 | 0120 | Beta | Aug 11, 2002 | Aug 18, 2002 | Aug 31, 2002 |
| № 58 | S06 | W73 | 07 | 0120 | Beta | Aug 8, 2002 | Aug 15, 2002 | Aug 29, 2002 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1973 to August 2002. The gray background is the average SSN index.
