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) | |
|---|---|---|---|---|---|---|---|---|
| № 9321 | S05 | E69 | 03 | 0100 | Beta | Jan 28, 2001 | Feb 4, 2001 | Feb 17, 2001 |
| № 9320 | S25 | E01 | 03 | 0020 | Beta | Jan 23, 2001 | Jan 30, 2001 | Feb 13, 2001 |
| № 9319 | S20 | W43 | 05 | 0030 | Beta | Jan 20, 2001 | Jan 27, 2001 | Feb 9, 2001 |
| № 9318 | S04 | W09 | 06 | 0010 | Beta | Jan 22, 2001 | Jan 29, 2001 | Feb 12, 2001 |
| № 9316 | S16 | E50 | 04 | 0130 | Beta | Jan 27, 2001 | Feb 3, 2001 | Feb 16, 2001 |
| № 9313 | S07 | E28 | 11 | 0160 | Beta | Jan 25, 2001 | Feb 1, 2001 | Feb 14, 2001 |
| № 9311 | N05 | W36 | 06 | 0050 | Beta | Jan 20, 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.
