Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on May 15, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 9951 | N11 | E41 | 02 | 0020 | Alpha | May 19, 2002 | May 26, 2002 | Jun 8, 2002 |
| № 9950 | S05 | E04 | 12 | 0060 | Beta | May 16, 2002 | May 23, 2002 | Jun 6, 2002 |
| № 9949 | S16 | W47 | 02 | 0010 | Beta | May 12, 2002 | May 19, 2002 | Jun 2, 2002 |
| № 9948 | S22 | E26 | 06 | 0410 | Beta | May 18, 2002 | May 25, 2002 | Jun 8, 2002 |
| № 9946 | S06 | W17 | 02 | 0010 | Alpha | May 15, 2002 | May 21, 2002 | Jun 4, 2002 |
| № 9945 | S04 | W26 | 13 | 0270 | Beta-Gamma | May 14, 2002 | May 21, 2002 | Jun 3, 2002 |
| № 9940 | N19 | W67 | 01 | 0010 | Alpha | May 11, 2002 | May 18, 2002 | Jun 1, 2002 |
| № 9937 | S07 | W77 | 04 | 0030 | Beta | May 10, 2002 | May 17, 2002 | May 31, 2002 |
| № 9934 | S15 | W98 | 02 | 0060 | Beta | May 9, 2002 | May 15, 2002 | May 29, 2002 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1973 to May 2002. The gray background is the average SSN index.