Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on February 26, 2001. Coordinates are given as of the end of the day.
| Group ID | Location | Number of sunspots | Area (msh) | Type | CM Passage | Disappearance (W90) | Reappearance (W270) | |
|---|---|---|---|---|---|---|---|---|
| № 9362 | S07 | E14 | 01 | 0010 | Alpha | Feb 28, 2001 | Mar 7, 2001 | Mar 20, 2001 |
| № 9361 | S15 | W34 | 01 | 0010 | Alpha | Feb 24, 2001 | Mar 3, 2001 | Mar 17, 2001 |
| № 9360 | S11 | E06 | 03 | 0020 | Beta | Feb 27, 2001 | Mar 6, 2001 | Mar 20, 2001 |
| № 9359 | N13 | E12 | 22 | 0170 | Beta | Feb 28, 2001 | Mar 7, 2001 | Mar 20, 2001 |
| № 9358 | S10 | W41 | 01 | 0010 | Alpha | Feb 24, 2001 | Mar 3, 2001 | Mar 16, 2001 |
| № 9357 | S25 | W55 | 08 | 0060 | Beta | Feb 23, 2001 | Mar 2, 2001 | Mar 15, 2001 |
| № 9354 | S09 | W81 | 05 | 0200 | Beta | Feb 21, 2001 | Feb 28, 2001 | Mar 13, 2001 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1972 to February 2001. The gray background is the average SSN index.
