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 | W79 | 06 | 0450 | Beta | Mar 3, 2001 | Mar 10, 2001 | Mar 24, 2001 |
| № 9370 | N09 | W00 | 10 | 0160 | Beta | Mar 9, 2001 | Mar 16, 2001 | Mar 29, 2001 |
| № 9368 | N25 | W20 | 18 | 0580 | Beta | Mar 7, 2001 | Mar 14, 2001 | Mar 28, 2001 |
| № 9367 | N09 | W19 | 01 | 0000 | Alpha | Mar 8, 2001 | Mar 14, 2001 | Mar 28, 2001 |
| № 9366 | S24 | W28 | 04 | 0030 | Beta | Mar 7, 2001 | Mar 14, 2001 | Mar 28, 2001 |
| № 9365 | S10 | W62 | 03 | 0010 | Beta | Mar 4, 2001 | Mar 11, 2001 | Mar 25, 2001 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1972, January to 2001, March. Gray background - average solar cycle.

