Active areas
Sunspots and active regions
By the end of the day, the following active regions with sunspots could be observed on the Sun's surface
| Group ID | Location | Number of sunspots | Area (msh) | Type | CM Passage | Disappearance (W90) | Reappearance (W270) | |
|---|---|---|---|---|---|---|---|---|
| № 9371 | N21 | W51 | 09 | 0060 | Beta | Mar 3, 2001 | Mar 10, 2001 | Mar 24, 2001 |
| № 9370 | N09 | E28 | 05 | 0010 | Beta | Mar 9, 2001 | Mar 16, 2001 | Mar 29, 2001 |
| № 9369 | N17 | W76 | 05 | 0120 | Beta | Mar 1, 2001 | Mar 8, 2001 | Mar 22, 2001 |
| № 9368 | N26 | E08 | 22 | 0220 | Beta | Mar 8, 2001 | Mar 15, 2001 | Mar 29, 2001 |
| № 9367 | N10 | E09 | 01 | 0010 | Alpha | Mar 8, 2001 | Mar 14, 2001 | Mar 28, 2001 |
| № 9366 | S25 | W00 | 16 | 0070 | Beta | Mar 7, 2001 | Mar 14, 2001 | Mar 28, 2001 |
| № 9365 | S10 | W34 | 02 | 0020 | Alpha | Mar 4, 2001 | Mar 11, 2001 | Mar 25, 2001 |
| № 9364 | S10 | W82 | 03 | 0070 | Beta | Mar 1, 2001 | Mar 8, 2001 | Mar 21, 2001 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1972, January to 2001, March. Gray background - average solar cycle.
