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) | |
|---|---|---|---|---|---|---|---|---|
| № 9361 | S17 | E07 | 02 | 0000 | Beta | Feb 25, 2001 | Mar 3, 2001 | Mar 17, 2001 |
| № 9360 | S10 | E45 | 01 | 0030 | Alpha | Feb 27, 2001 | Mar 6, 2001 | Mar 20, 2001 |
| № 9359 | N12 | E52 | 10 | 0190 | Beta | Feb 28, 2001 | Mar 7, 2001 | Mar 20, 2001 |
| № 9358 | S08 | W05 | 05 | 0010 | Beta | Feb 24, 2001 | Mar 2, 2001 | Mar 16, 2001 |
| № 9357 | S26 | W20 | 03 | 0010 | Beta | Feb 22, 2001 | Mar 1, 2001 | Mar 15, 2001 |
| № 9356 | S15 | W66 | 02 | 0020 | Alpha | Feb 19, 2001 | Feb 26, 2001 | Mar 11, 2001 |
| № 9354 | S09 | W45 | 18 | 0200 | Beta | Feb 21, 2001 | Feb 27, 2001 | Mar 13, 2001 |
| № 9353 | S24 | W64 | 03 | 0010 | Beta | Feb 19, 2001 | Feb 26, 2001 | Mar 12, 2001 |
| № 9350 | N18 | W76 | 01 | 0050 | Alpha | Feb 18, 2001 | Feb 25, 2001 | Mar 11, 2001 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1972, January to 2001, February. Gray background - average solar cycle.
