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) | |
|---|---|---|---|---|---|---|---|---|
| № 9943 | S11 | E63 | 04 | 0050 | Beta | May 12, 2002 | May 19, 2002 | Jun 1, 2002 |
| № 9942 | N22 | E34 | 04 | 0020 | Beta | May 10, 2002 | May 17, 2002 | May 30, 2002 |
| № 9941 | S22 | E09 | 10 | 0050 | Beta | May 8, 2002 | May 15, 2002 | May 28, 2002 |
| № 9940 | N13 | E55 | 02 | 0040 | Alpha | May 11, 2002 | May 18, 2002 | Jun 1, 2002 |
| № 9939 | N17 | E52 | 01 | 0050 | Alpha | May 11, 2002 | May 18, 2002 | Jun 1, 2002 |
| № 9938 | S05 | E46 | 01 | 0030 | Alpha | May 10, 2002 | May 17, 2002 | May 31, 2002 |
| № 9937 | S09 | E42 | 10 | 0210 | Beta | May 10, 2002 | May 17, 2002 | May 31, 2002 |
| № 9936 | S17 | E01 | 10 | 0040 | Beta | May 7, 2002 | May 14, 2002 | May 28, 2002 |
| № 9935 | S19 | W11 | 07 | 0020 | Beta | May 6, 2002 | May 13, 2002 | May 27, 2002 |
| № 9934 | S17 | E21 | 36 | 0540 | Beta-Gamma-Delta | May 9, 2002 | May 15, 2002 | May 29, 2002 |
| № 9933 | N18 | E12 | 03 | 0100 | Alpha | May 8, 2002 | May 15, 2002 | May 29, 2002 |
| № 9932 | S28 | E05 | 16 | 0100 | Beta | May 7, 2002 | May 14, 2002 | May 28, 2002 |
| № 9931 | N16 | W37 | 10 | 0070 | Beta | May 4, 2002 | May 11, 2002 | May 25, 2002 |
| № 9929 | N22 | W53 | 13 | 0210 | Beta | May 3, 2002 | May 10, 2002 | May 24, 2002 |
| № 9928 | N18 | W05 | 15 | 0090 | Beta | May 7, 2002 | May 13, 2002 | May 27, 2002 |
| № 9927 | S28 | W13 | 04 | 0020 | Beta | May 6, 2002 | May 13, 2002 | May 27, 2002 |
| № 9926 | N13 | W82 | 01 | 0040 | Alpha | May 1, 2002 | May 8, 2002 | May 21, 2002 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1973, January to 2002, May. Gray background - average solar cycle.
