Active areas
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) | |
|---|---|---|---|---|---|---|---|---|
| № 37 | N14 | E47 | 01 | 0160 | Alpha | Jul 24, 2002 | Jul 30, 2002 | Aug 13, 2002 |
| № 36 | S07 | E37 | 26 | 0860 | Beta-Gamma | Jul 23, 2002 | Jul 30, 2002 | Aug 12, 2002 |
| № 35 | S08 | E22 | 16 | 0070 | Beta | Jul 22, 2002 | Jul 28, 2002 | Aug 11, 2002 |
| № 30 | N18 | W38 | 83 | 1060 | Beta-Gamma-Delta | Jul 17, 2002 | Jul 24, 2002 | Aug 7, 2002 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1973, January to 2002, July. Gray background - average solar cycle.
