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) | |
|---|---|---|---|---|---|---|---|---|
| № 9324 | N10 | E42 | 04 | 0060 | Beta | Jan 28, 2001 | Feb 4, 2001 | Feb 18, 2001 |
| № 9323 | S29 | E03 | 02 | 0000 | Beta | Jan 25, 2001 | Feb 1, 2001 | Feb 15, 2001 |
| № 9322 | S23 | W00 | 06 | 0010 | Beta | Jan 25, 2001 | Feb 1, 2001 | Feb 15, 2001 |
| № 9321 | S06 | E43 | 18 | 0160 | Beta | Jan 28, 2001 | Feb 4, 2001 | Feb 18, 2001 |
| № 9320 | S23 | W25 | 03 | 0010 | Beta | Jan 23, 2001 | Jan 30, 2001 | Feb 13, 2001 |
| № 9319 | S18 | W70 | 05 | 0030 | Beta | Jan 20, 2001 | Jan 27, 2001 | Feb 9, 2001 |
| № 9316 | S16 | E23 | 08 | 0100 | Beta | Jan 27, 2001 | Feb 3, 2001 | Feb 16, 2001 |
| № 9315 | S28 | W09 | 01 | 0000 | Alpha | Jan 24, 2001 | Jan 31, 2001 | Feb 14, 2001 |
| № 9313 | S06 | E01 | 20 | 0100 | Beta-Gamma | Jan 25, 2001 | Feb 1, 2001 | Feb 14, 2001 |
| № 9311 | N06 | W62 | 11 | 0140 | 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.
