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) | |
|---|---|---|---|---|---|---|---|---|
| № 9948 | S21 | E71 | 03 | 0280 | Beta | May 17, 2002 | May 24, 2002 | Jun 7, 2002 |
| № 9947 | N23 | W46 | 03 | 0020 | Beta | May 8, 2002 | May 15, 2002 | May 29, 2002 |
| № 9946 | S06 | E38 | 14 | 0050 | Beta | May 15, 2002 | May 22, 2002 | Jun 4, 2002 |
| № 9945 | S04 | E27 | 06 | 0400 | Beta | May 14, 2002 | May 21, 2002 | Jun 3, 2002 |
| № 9943 | S10 | W03 | 03 | 0010 | Beta | May 12, 2002 | May 19, 2002 | Jun 1, 2002 |
| № 9941 | S22 | W58 | 01 | 0020 | Alpha | May 8, 2002 | May 14, 2002 | May 28, 2002 |
| № 9940 | N17 | W11 | 13 | 0040 | Beta | May 11, 2002 | May 18, 2002 | Jun 1, 2002 |
| № 9939 | N19 | W12 | 17 | 0060 | Beta | May 11, 2002 | May 18, 2002 | Jun 1, 2002 |
| № 9938 | S05 | W21 | 01 | 0030 | Alpha | May 10, 2002 | May 17, 2002 | May 31, 2002 |
| № 9937 | S08 | W25 | 20 | 0190 | Beta | May 10, 2002 | May 17, 2002 | May 30, 2002 |
| № 9934 | S16 | W46 | 32 | 1050 | Beta-Gamma-Delta | May 9, 2002 | May 15, 2002 | May 29, 2002 |
| № 9933 | N18 | W54 | 01 | 0060 | Alpha | May 8, 2002 | May 15, 2002 | May 28, 2002 |
| № 9932 | S27 | W56 | 01 | 0020 | Alpha | May 8, 2002 | May 15, 2002 | May 29, 2002 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1973, January to 2002, May. Gray background - average solar cycle.

