Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on May 9, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 9452 | S09 | E56 | 01 | 0020 | Alpha | May 14, 2001 | May 21, 2001 | Jun 3, 2001 |
| № 9451 | S21 | E28 | 03 | 0120 | Alpha | May 12, 2001 | May 19, 2001 | Jun 2, 2001 |
| № 9450 | S02 | W64 | 02 | 0020 | Alpha | May 5, 2001 | May 12, 2001 | May 25, 2001 |
| № 9449 | S16 | W05 | 05 | 0070 | Beta | May 9, 2001 | May 16, 2001 | May 30, 2001 |
| № 9448 | N22 | W14 | 08 | 0110 | Beta | May 9, 2001 | May 16, 2001 | May 30, 2001 |
| № 9445 | N24 | W52 | 09 | 0100 | Beta-Gamma | May 6, 2001 | May 13, 2001 | May 27, 2001 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1972 to May 2001. The gray background is the average SSN index.
