Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on February 22, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 9360 | S11 | E60 | 01 | 0020 | Alpha | Feb 27, 2001 | Mar 6, 2001 | Mar 20, 2001 |
| № 9359 | N10 | E66 | 05 | 0120 | Beta | Feb 28, 2001 | Mar 7, 2001 | Mar 20, 2001 |
| № 9358 | S08 | E09 | 09 | 0050 | Beta | Feb 24, 2001 | Mar 2, 2001 | Mar 16, 2001 |
| № 9357 | S26 | W05 | 04 | 0020 | Beta | Feb 22, 2001 | Mar 1, 2001 | Mar 15, 2001 |
| № 9356 | S15 | W50 | 01 | 0010 | Alpha | Feb 19, 2001 | Feb 26, 2001 | Mar 12, 2001 |
| № 9354 | S08 | W30 | 15 | 0180 | Beta | Feb 21, 2001 | Feb 27, 2001 | Mar 13, 2001 |
| № 9353 | S24 | W48 | 03 | 0030 | Beta | Feb 19, 2001 | Feb 26, 2001 | Mar 12, 2001 |
| № 9350 | N19 | W60 | 01 | 0040 | Alpha | Feb 18, 2001 | Feb 25, 2001 | Mar 11, 2001 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1972 to February 2001. The gray background is the average SSN index.
