Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on March 4, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 9370 | N09 | E51 | 03 | 0010 | Beta | Mar 9, 2001 | Mar 16, 2001 | Mar 29, 2001 |
| № 9369 | N18 | W49 | 08 | 0040 | Beta | Mar 1, 2001 | Mar 8, 2001 | Mar 22, 2001 |
| № 9368 | N26 | E35 | 12 | 0060 | Beta | Mar 8, 2001 | Mar 15, 2001 | Mar 29, 2001 |
| № 9367 | N10 | E36 | 02 | 0020 | Beta | Mar 8, 2001 | Mar 15, 2001 | Mar 28, 2001 |
| № 9366 | S25 | E25 | 16 | 0090 | Beta | Mar 7, 2001 | Mar 14, 2001 | Mar 28, 2001 |
| № 9365 | S08 | W04 | 09 | 0040 | Beta | Mar 5, 2001 | Mar 11, 2001 | Mar 25, 2001 |
| № 9364 | S10 | W51 | 04 | 0020 | Beta | Mar 1, 2001 | Mar 8, 2001 | Mar 22, 2001 |
| № 9359 | N12 | W70 | 04 | 0050 | Beta | Feb 28, 2001 | Mar 7, 2001 | Mar 20, 2001 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1972 to March 2001. The gray background is the average SSN index.
