Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on May 18, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 9959 | N10 | E06 | 04 | 0030 | Beta | May 20, 2002 | May 26, 2002 | Jun 9, 2002 |
| № 9958 | N04 | E47 | 04 | 0140 | Beta | May 23, 2002 | May 30, 2002 | Jun 12, 2002 |
| № 9957 | N08 | E55 | 27 | 0830 | Beta-Gamma-Delta | May 23, 2002 | May 30, 2002 | Jun 13, 2002 |
| № 9955 | S14 | E39 | 01 | 0050 | Alpha | May 22, 2002 | May 29, 2002 | Jun 12, 2002 |
| № 9954 | S22 | E37 | 04 | 0170 | Beta | May 22, 2002 | May 29, 2002 | Jun 12, 2002 |
| № 9950 | S05 | W40 | 04 | 0030 | Beta | May 16, 2002 | May 23, 2002 | Jun 6, 2002 |
| № 9948 | S21 | W18 | 05 | 0390 | Beta | May 18, 2002 | May 25, 2002 | Jun 8, 2002 |
| № 9945 | S02 | W71 | 05 | 0180 | Beta | May 14, 2002 | May 21, 2002 | Jun 3, 2002 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1973 to May 2002. The gray background is the average SSN index.