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) | |
|---|---|---|---|---|---|---|---|---|
| № 9325 | N10 | E64 | 04 | 0050 | Beta | Feb 1, 2001 | Feb 8, 2001 | Feb 21, 2001 |
| № 9324 | N10 | E16 | 03 | 0010 | Beta | Jan 28, 2001 | Feb 4, 2001 | Feb 18, 2001 |
| № 9323 | S29 | W23 | 03 | 0010 | Beta | Jan 25, 2001 | Feb 1, 2001 | Feb 15, 2001 |
| № 9322 | S22 | W32 | 04 | 0040 | Alpha | Jan 25, 2001 | Jan 31, 2001 | Feb 14, 2001 |
| № 9321 | S05 | E16 | 19 | 0160 | Beta | Jan 28, 2001 | Feb 4, 2001 | Feb 18, 2001 |
| № 9320 | S24 | W50 | 01 | 0000 | Alpha | Jan 23, 2001 | Jan 30, 2001 | Feb 13, 2001 |
| № 9316 | S16 | W03 | 10 | 0080 | Beta | Jan 27, 2001 | Feb 3, 2001 | Feb 16, 2001 |
| № 9313 | S07 | W27 | 27 | 0130 | Beta-Gamma | Jan 25, 2001 | Feb 1, 2001 | Feb 14, 2001 |
| № 9311 | N05 | W86 | 02 | 0060 | Alpha | Jan 21, 2001 | Jan 27, 2001 | Feb 10, 2001 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1972, January to 2001, January. Gray background - average solar cycle.
