Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on March 7, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 9371 | N20 | W64 | 11 | 0330 | Beta | Mar 3, 2001 | Mar 10, 2001 | Mar 24, 2001 |
| № 9370 | N10 | E14 | 11 | 0060 | Beta | Mar 9, 2001 | Mar 16, 2001 | Mar 29, 2001 |
| № 9369 | N17 | W88 | 04 | 0060 | Beta | Mar 1, 2001 | Mar 8, 2001 | Mar 22, 2001 |
| № 9368 | N25 | W08 | 23 | 0420 | Beta | Mar 7, 2001 | Mar 14, 2001 | Mar 28, 2001 |
| № 9367 | N09 | W05 | 01 | 0010 | Alpha | Mar 8, 2001 | Mar 14, 2001 | Mar 28, 2001 |
| № 9366 | S25 | W14 | 09 | 0060 | Beta | Mar 7, 2001 | Mar 14, 2001 | Mar 28, 2001 |
| № 9365 | S10 | W49 | 02 | 0020 | Alpha | Mar 4, 2001 | Mar 11, 2001 | Mar 25, 2001 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1972 to March 2001. The gray background is the average SSN index.
