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) | |
|---|---|---|---|---|---|---|---|---|
| № 9343 | N03 | E08 | 01 | 0000 | Alpha | Feb 10, 2001 | Feb 16, 2001 | Mar 2, 2001 |
| № 9342 | S26 | E42 | 01 | 0000 | Alpha | Feb 12, 2001 | Feb 19, 2001 | Mar 5, 2001 |
| № 9341 | S08 | E09 | 02 | 0010 | Beta | Feb 10, 2001 | Feb 16, 2001 | Mar 2, 2001 |
| № 9339 | S09 | E34 | 12 | 0240 | Beta | Feb 12, 2001 | Feb 18, 2001 | Mar 4, 2001 |
| № 9338 | S19 | E24 | 06 | 0020 | Beta | Feb 11, 2001 | Feb 18, 2001 | Mar 3, 2001 |
| № 9337 | S27 | E25 | 07 | 0060 | Beta | Feb 11, 2001 | Feb 18, 2001 | Mar 4, 2001 |
| № 9335 | N10 | E14 | 15 | 0100 | Beta-Gamma | Feb 10, 2001 | Feb 17, 2001 | Mar 2, 2001 |
| № 9334 | N12 | W01 | 21 | 0150 | Beta | Feb 9, 2001 | Feb 16, 2001 | Mar 1, 2001 |
| № 9330 | N25 | W36 | 08 | 0080 | Beta | Feb 6, 2001 | Feb 13, 2001 | Feb 27, 2001 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1972, January to 2001, February. Gray background - average solar cycle.
