Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on May 7, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 9451 | S20 | E53 | 01 | 0070 | Alpha | May 12, 2001 | May 19, 2001 | Jun 2, 2001 |
| № 9450 | S03 | W35 | 02 | 0020 | Alpha | May 5, 2001 | May 12, 2001 | May 26, 2001 |
| № 9449 | S17 | E18 | 02 | 0080 | Alpha | May 9, 2001 | May 16, 2001 | May 30, 2001 |
| № 9448 | N21 | E08 | 04 | 0100 | Alpha | May 9, 2001 | May 15, 2001 | May 29, 2001 |
| № 9447 | N11 | W70 | 06 | 0200 | Beta | May 3, 2001 | May 9, 2001 | May 23, 2001 |
| № 9445 | N23 | W29 | 34 | 0180 | Beta-Gamma | May 6, 2001 | May 13, 2001 | May 26, 2001 |
| № 9442 | N26 | W68 | 01 | 0050 | Alpha | May 3, 2001 | May 10, 2001 | May 24, 2001 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1972 to May 2001. The gray background is the average SSN index.
