Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on February 3, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 9334 | N11 | E69 | 06 | 0200 | Beta | Feb 9, 2001 | Feb 16, 2001 | Mar 1, 2001 |
| № 9333 | N25 | W22 | 05 | 0030 | Beta | Feb 2, 2001 | Feb 9, 2001 | Feb 23, 2001 |
| № 9332 | N08 | W17 | 05 | 0030 | Beta | Feb 3, 2001 | Feb 9, 2001 | Feb 23, 2001 |
| № 9330 | N26 | E33 | 16 | 0140 | Beta | Feb 6, 2001 | Feb 13, 2001 | Feb 27, 2001 |
| № 9329 | S10 | W04 | 02 | 0010 | Alpha | Feb 4, 2001 | Feb 10, 2001 | Feb 24, 2001 |
| № 9327 | N17 | W34 | 04 | 0030 | Beta | Feb 1, 2001 | Feb 8, 2001 | Feb 22, 2001 |
| № 9325 | N10 | W46 | 01 | 0010 | Alpha | Jan 31, 2001 | Feb 7, 2001 | Feb 21, 2001 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1972 to February 2001. The gray background is the average SSN index.
