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 | S06 | E53 | 07 | 0100 | Beta | Jan 28, 2001 | Feb 4, 2001 | Feb 17, 2001 |
| № 9320 | S24 | W11 | 02 | 0020 | Beta | Jan 23, 2001 | Jan 30, 2001 | Feb 13, 2001 |
| № 9319 | S18 | W56 | 07 | 0030 | Beta | Jan 20, 2001 | Jan 27, 2001 | Feb 9, 2001 |
| № 9316 | S16 | E38 | 06 | 0130 | Beta | Jan 27, 2001 | Feb 3, 2001 | Feb 16, 2001 |
| № 9313 | S07 | E15 | 19 | 0190 | Beta | Jan 25, 2001 | Feb 1, 2001 | Feb 14, 2001 |
| № 9311 | N05 | W48 | 07 | 0100 | 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.
