Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on May 12, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 9455 | S18 | E17 | 12 | 0100 | Beta | May 14, 2001 | May 21, 2001 | Jun 4, 2001 |
| № 9454 | N13 | E58 | 13 | 0430 | Beta | May 17, 2001 | May 24, 2001 | Jun 7, 2001 |
| № 9452 | S09 | E14 | 01 | 0010 | Alpha | May 14, 2001 | May 21, 2001 | Jun 3, 2001 |
| № 9451 | S22 | W12 | 07 | 0130 | Beta | May 12, 2001 | May 19, 2001 | Jun 2, 2001 |
| № 9449 | S16 | W48 | 02 | 0020 | Beta | May 9, 2001 | May 16, 2001 | May 30, 2001 |
| № 9448 | N21 | W57 | 01 | 0120 | Alpha | May 9, 2001 | May 16, 2001 | May 29, 2001 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1972 to May 2001. The gray background is the average SSN index.
