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) | |
|---|---|---|---|---|---|---|---|---|
| № 9318 | S05 | E05 | 02 | 0020 | Beta | Jan 22, 2001 | Jan 29, 2001 | Feb 12, 2001 |
| № 9316 | S17 | E64 | 07 | 0200 | Beta | Jan 27, 2001 | Feb 3, 2001 | Feb 16, 2001 |
| № 9313 | S07 | E42 | 14 | 0220 | Beta-Gamma | Jan 25, 2001 | Feb 1, 2001 | Feb 14, 2001 |
| № 9312 | N06 | E07 | 03 | 0010 | Beta | Jan 23, 2001 | Jan 29, 2001 | Feb 12, 2001 |
| № 9311 | N05 | W20 | 04 | 0060 | Beta | Jan 20, 2001 | Jan 27, 2001 | Feb 10, 2001 |
| № 9308 | N17 | W82 | 01 | 0010 | Alpha | Jan 16, 2001 | Jan 23, 2001 | Feb 5, 2001 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1972, January to 2001, January. Gray background - average solar cycle.
