Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on May 19, 2001. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 9463 | N07 | E69 | 02 | 0050 | Beta | May 25, 2001 | Jun 1, 2001 | Jun 15, 2001 |
| № 9462 | N20 | E59 | 01 | 0050 | Alpha | May 25, 2001 | Jun 1, 2001 | Jun 14, 2001 |
| № 9461 | N19 | E36 | 16 | 0100 | Beta | May 23, 2001 | May 30, 2001 | Jun 13, 2001 |
| № 9459 | N27 | W63 | 02 | 0010 | Beta | May 15, 2001 | May 22, 2001 | Jun 5, 2001 |
| № 9455 | S17 | W83 | 18 | 0210 | Beta | May 14, 2001 | May 21, 2001 | Jun 3, 2001 |
| № 9454 | N14 | W36 | 10 | 0070 | Beta | May 18, 2001 | May 24, 2001 | Jun 7, 2001 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1972 to May 2001. The gray background is the average SSN index.