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) | |
|---|---|---|---|---|---|---|---|---|
| № 9373 | S07 | E71 | 03 | 0050 | Beta | Mar 16, 2001 | Mar 23, 2001 | Apr 6, 2001 |
| № 9372 | S37 | W50 | 06 | 0070 | Beta | Mar 7, 2001 | Mar 14, 2001 | Mar 29, 2001 |
| № 9370 | N11 | W24 | 20 | 0200 | Beta | Mar 9, 2001 | Mar 16, 2001 | Mar 30, 2001 |
| № 9368 | N26 | W44 | 21 | 0370 | Beta-Gamma | Mar 8, 2001 | Mar 15, 2001 | Mar 29, 2001 |
| № 9366 | S24 | W48 | 02 | 0010 | Beta | Mar 7, 2001 | Mar 14, 2001 | Mar 28, 2001 |
| № 9365 | S12 | W90 | 01 | 0030 | Alpha | 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.
