Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on July 29, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 54 | S21 | E70 | 02 | 0040 | Beta | Aug 4, 2002 | Aug 11, 2002 | Aug 25, 2002 |
| № 53 | S17 | E24 | 01 | 0010 | Alpha | Aug 1, 2002 | Aug 8, 2002 | Aug 21, 2002 |
| № 52 | N09 | E17 | 05 | 0030 | Beta | Jul 31, 2002 | Aug 7, 2002 | Aug 21, 2002 |
| № 51 | S16 | E54 | 01 | 0100 | Alpha | Aug 3, 2002 | Aug 10, 2002 | Aug 24, 2002 |
| № 50 | S07 | E09 | 23 | 0290 | Beta | Jul 31, 2002 | Aug 6, 2002 | Aug 20, 2002 |
| № 48 | N21 | E25 | 10 | 0100 | Beta | Aug 1, 2002 | Aug 8, 2002 | Aug 22, 2002 |
| № 45 | N05 | W39 | 12 | 0110 | Beta | Jul 27, 2002 | Aug 3, 2002 | Aug 16, 2002 |
| № 44 | S21 | W11 | 43 | 0530 | Beta-Gamma-Delta | Jul 29, 2002 | Aug 5, 2002 | Aug 19, 2002 |
| № 43 | N12 | W13 | 20 | 0160 | Beta | Jul 29, 2002 | Aug 5, 2002 | Aug 18, 2002 |
| № 42 | S19 | W43 | 01 | 0010 | Alpha | Jul 27, 2002 | Aug 3, 2002 | Aug 16, 2002 |
| № 39 | S15 | W04 | 48 | 0920 | Beta-Gamma-Delta | Jul 30, 2002 | Aug 6, 2002 | Aug 19, 2002 |
| № 38 | N18 | W44 | 03 | 0020 | Beta | Jul 27, 2002 | Aug 3, 2002 | Aug 16, 2002 |
| № 37 | N13 | W87 | 01 | 0090 | Alpha | Jul 23, 2002 | Jul 30, 2002 | Aug 13, 2002 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1973 to July 2002. The gray background is the average SSN index.
