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) | |
|---|---|---|---|---|---|---|---|---|
| № 9314 | N15 | W44 | 01 | 0000 | Alpha | Jan 17, 2001 | Jan 23, 2001 | Feb 6, 2001 |
| № 9313 | S08 | E72 | 14 | 0120 | Beta | Jan 25, 2001 | Feb 1, 2001 | Feb 15, 2001 |
| № 9312 | N08 | E36 | 02 | 0020 | Alpha | Jan 23, 2001 | Jan 29, 2001 | Feb 12, 2001 |
| № 9311 | N04 | E11 | 16 | 0060 | Beta | Jan 21, 2001 | Jan 28, 2001 | Feb 10, 2001 |
| № 9308 | N16 | W56 | 05 | 0030 | Beta | Jan 16, 2001 | Jan 23, 2001 | Feb 5, 2001 |
| № 9306 | N13 | W87 | 01 | 0080 | Alpha | Jan 13, 2001 | Jan 20, 2001 | Feb 3, 2001 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1972, January to 2001, January. Gray background - average solar cycle.
