Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on March 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) | |
|---|---|---|---|---|---|---|---|---|
| № 9392 | N20 | W17 | 04 | 0070 | Beta | Mar 22, 2001 | Mar 29, 2001 | Apr 11, 2001 |
| № 9391 | S04 | W15 | 02 | 0010 | Alpha | Mar 22, 2001 | Mar 29, 2001 | Apr 11, 2001 |
| № 9390 | N14 | E60 | 09 | 0280 | Beta | Mar 28, 2001 | Apr 3, 2001 | Apr 17, 2001 |
| № 9389 | S13 | E66 | 03 | 0110 | Beta | Mar 28, 2001 | Apr 4, 2001 | Apr 17, 2001 |
| № 9388 | N14 | W62 | 02 | 0170 | Alpha | Mar 18, 2001 | Mar 25, 2001 | Apr 8, 2001 |
| № 9387 | N09 | E34 | 13 | 0110 | Beta | Mar 26, 2001 | Apr 1, 2001 | Apr 15, 2001 |
| № 9384 | N18 | W81 | 01 | 0000 | Alpha | Mar 17, 2001 | Mar 24, 2001 | Apr 6, 2001 |
| № 9380 | S08 | W51 | 02 | 0010 | Alpha | Mar 19, 2001 | Mar 26, 2001 | Apr 8, 2001 |
| № 9373 | S06 | W81 | 10 | 0180 | Beta-Gamma | Mar 17, 2001 | Mar 24, 2001 | Apr 6, 2001 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1972 to March 2001. The gray background is the average SSN index.
