Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on March 19, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 9386 | N03 | W09 | 02 | 0000 | Beta | Mar 19, 2001 | Mar 26, 2001 | Apr 8, 2001 |
| № 9385 | S11 | E29 | 01 | 0000 | Alpha | Mar 22, 2001 | Mar 29, 2001 | Apr 11, 2001 |
| № 9384 | N11 | W47 | 10 | 0060 | Beta | Mar 16, 2001 | Mar 23, 2001 | Apr 6, 2001 |
| № 9380 | S08 | W08 | 01 | 0000 | Alpha | Mar 19, 2001 | Mar 26, 2001 | Apr 9, 2001 |
| № 9373 | S07 | W41 | 27 | 0220 | 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.
