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) | |
|---|---|---|---|---|---|---|---|---|
| № 9307 | S13 | W59 | 02 | 0020 | Alpha | Jan 7, 2001 | Jan 13, 2001 | Jan 27, 2001 |
| № 9306 | N11 | E43 | 15 | 0090 | Beta | Jan 14, 2001 | Jan 21, 2001 | Feb 4, 2001 |
| № 9304 | N11 | E29 | 06 | 0050 | Beta | Jan 13, 2001 | Jan 20, 2001 | Feb 3, 2001 |
| № 9303 | S04 | W90 | 01 | 0060 | Alpha | Jan 4, 2001 | Jan 11, 2001 | Jan 25, 2001 |
| № 9302 | N18 | E12 | 02 | 0090 | Beta | Jan 12, 2001 | Jan 19, 2001 | Feb 2, 2001 |
| № 9301 | N07 | E06 | 01 | 0010 | Alpha | Jan 11, 2001 | Jan 18, 2001 | Feb 1, 2001 |
| № 9297 | N23 | W86 | 01 | 0030 | Alpha | Jan 4, 2001 | Jan 11, 2001 | Jan 25, 2001 |
| № 9296 | N08 | W18 | 03 | 0170 | Alpha | Jan 10, 2001 | Jan 16, 2001 | Jan 30, 2001 |
| № 9295 | S13 | W21 | 04 | 0030 | Beta | Jan 9, 2001 | Jan 16, 2001 | Jan 30, 2001 |
| № 9294 | N23 | W33 | 05 | 0010 | Beta | Jan 8, 2001 | Jan 15, 2001 | Jan 29, 2001 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1972, January to 2001, January. Gray background - average solar cycle.
