Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on July 28, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 51 | S17 | E63 | 02 | 0090 | Beta | Aug 3, 2002 | Aug 10, 2002 | Aug 24, 2002 |
| № 50 | S07 | E20 | 13 | 0090 | Beta | Jul 31, 2002 | Aug 7, 2002 | Aug 20, 2002 |
| № 49 | S05 | W47 | 10 | 0030 | Beta | Jul 26, 2002 | Aug 1, 2002 | Aug 15, 2002 |
| № 48 | N20 | E35 | 09 | 0050 | Beta | Aug 1, 2002 | Aug 8, 2002 | Aug 22, 2002 |
| № 47 | N09 | W77 | 07 | 0030 | Beta | Jul 23, 2002 | Jul 30, 2002 | Aug 13, 2002 |
| № 45 | N05 | W28 | 16 | 0160 | Beta | Jul 27, 2002 | Aug 3, 2002 | Aug 16, 2002 |
| № 44 | S22 | W00 | 45 | 0590 | Beta-Gamma-Delta | Jul 29, 2002 | Aug 5, 2002 | Aug 19, 2002 |
| № 43 | N12 | W03 | 17 | 0160 | Beta | Jul 29, 2002 | Aug 5, 2002 | Aug 18, 2002 |
| № 42 | S21 | W32 | 03 | 0020 | Alpha | Jul 27, 2002 | Aug 3, 2002 | Aug 16, 2002 |
| № 39 | S15 | E05 | 62 | 0900 | Beta-Gamma-Delta | Jul 30, 2002 | Aug 5, 2002 | Aug 19, 2002 |
| № 38 | N17 | W31 | 02 | 0020 | Alpha | Jul 27, 2002 | Aug 3, 2002 | Aug 16, 2002 |
| № 37 | N13 | W76 | 01 | 0120 | Alpha | Jul 23, 2002 | Jul 30, 2002 | Aug 13, 2002 |
| № 36 | S08 | W87 | 06 | 0320 | Beta | Jul 23, 2002 | Jul 29, 2002 | Aug 12, 2002 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1973 to July 2002. The gray background is the average SSN index.
