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) | |
|---|---|---|---|---|---|---|---|---|
| № 9312 | N08 | E60 | 02 | 0060 | Alpha | Jan 23, 2001 | Jan 29, 2001 | Feb 12, 2001 |
| № 9311 | N04 | E36 | 07 | 0030 | Beta | Jan 21, 2001 | Jan 27, 2001 | Feb 10, 2001 |
| № 9310 | N26 | E22 | 01 | 0000 | Alpha | Jan 20, 2001 | Jan 27, 2001 | Feb 10, 2001 |
| № 9308 | N14 | W28 | 16 | 0100 | Beta | Jan 16, 2001 | Jan 23, 2001 | Feb 5, 2001 |
| № 9306 | N11 | W53 | 28 | 0330 | Beta-Gamma | Jan 14, 2001 | Jan 21, 2001 | Feb 3, 2001 |
| № 9304 | N11 | W70 | 01 | 0020 | Alpha | Jan 13, 2001 | Jan 20, 2001 | Feb 2, 2001 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1972, January to 2001, January. Gray background - average solar cycle.
