Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on August 4, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 61 | N08 | E75 | 01 | 0180 | Alpha | Aug 11, 2002 | Aug 18, 2002 | Aug 31, 2002 |
| № 60 | S28 | W28 | 08 | 0030 | Beta | Aug 3, 2002 | Aug 10, 2002 | Aug 24, 2002 |
| № 59 | N15 | E52 | 08 | 0090 | Beta | Aug 9, 2002 | Aug 16, 2002 | Aug 30, 2002 |
| № 58 | S06 | E41 | 01 | 0020 | Alpha | Aug 8, 2002 | Aug 15, 2002 | Aug 29, 2002 |
| № 57 | S08 | W27 | 44 | 0150 | Beta-Gamma | Aug 3, 2002 | Aug 10, 2002 | Aug 23, 2002 |
| № 55 | N14 | E11 | 08 | 0050 | Beta | Aug 6, 2002 | Aug 13, 2002 | Aug 26, 2002 |
| № 51 | S16 | W27 | 01 | 0080 | Alpha | Aug 3, 2002 | Aug 10, 2002 | Aug 24, 2002 |
| № 50 | S08 | W75 | 25 | 0470 | Beta-Gamma | Jul 31, 2002 | Aug 6, 2002 | Aug 20, 2002 |
| № 44 | S24 | W90 | 09 | 0280 | Beta | Jul 29, 2002 | Aug 5, 2002 | Aug 19, 2002 |
| № 39 | S16 | W85 | 13 | 0330 | Beta-Gamma | Jul 30, 2002 | Aug 6, 2002 | Aug 19, 2002 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1973 to August 2002. The gray background is the average SSN index.
