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 | E50 | 01 | 0020 | Alpha | May 12, 2002 | May 19, 2002 | Jun 1, 2002 |
| № 9942 | N21 | E21 | 01 | 0010 | Alpha | May 10, 2002 | May 17, 2002 | May 30, 2002 |
| № 9941 | S22 | W03 | 06 | 0040 | Beta | May 8, 2002 | May 15, 2002 | May 29, 2002 |
| № 9940 | N13 | E42 | 01 | 0040 | Alpha | May 11, 2002 | May 18, 2002 | Jun 1, 2002 |
| № 9939 | N17 | E40 | 01 | 0040 | Alpha | May 11, 2002 | May 18, 2002 | Jun 1, 2002 |
| № 9938 | S05 | E32 | 01 | 0030 | Alpha | May 10, 2002 | May 17, 2002 | May 31, 2002 |
| № 9937 | S10 | E29 | 09 | 0180 | Beta | May 10, 2002 | May 17, 2002 | May 31, 2002 |
| № 9936 | S16 | W13 | 05 | 0020 | Beta | May 7, 2002 | May 14, 2002 | May 28, 2002 |
| № 9935 | S19 | W23 | 01 | 0000 | Alpha | May 6, 2002 | May 13, 2002 | May 27, 2002 |
| № 9934 | S17 | E08 | 23 | 0500 | Beta-Gamma | May 9, 2002 | May 15, 2002 | May 29, 2002 |
| № 9933 | N18 | W00 | 01 | 0100 | Alpha | May 8, 2002 | May 15, 2002 | May 29, 2002 |
| № 9932 | S28 | W08 | 10 | 0070 | Beta | May 7, 2002 | May 14, 2002 | May 28, 2002 |
| № 9931 | N15 | W51 | 03 | 0050 | Beta | May 4, 2002 | May 11, 2002 | May 25, 2002 |
| № 9929 | N23 | W66 | 05 | 0170 | Beta | May 3, 2002 | May 10, 2002 | May 24, 2002 |
| № 9928 | N18 | W18 | 08 | 0050 | Beta | May 7, 2002 | May 13, 2002 | May 27, 2002 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1973, January to 2002, May. Gray background - average solar cycle.
