Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on February 5, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 9339 | S12 | E74 | 03 | 0070 | Alpha | Feb 12, 2001 | Feb 18, 2001 | Mar 4, 2001 |
| № 9338 | S17 | E59 | 02 | 0030 | Alpha | Feb 10, 2001 | Feb 17, 2001 | Mar 3, 2001 |
| № 9337 | S27 | E60 | 01 | 0020 | Alpha | Feb 11, 2001 | Feb 18, 2001 | Mar 4, 2001 |
| № 9336 | S10 | W17 | 03 | 0010 | Beta | Feb 5, 2001 | Feb 12, 2001 | Feb 25, 2001 |
| № 9335 | N08 | E52 | 09 | 0130 | Beta | Feb 10, 2001 | Feb 17, 2001 | Mar 2, 2001 |
| № 9334 | N11 | E41 | 18 | 0220 | Beta | Feb 9, 2001 | Feb 16, 2001 | Mar 1, 2001 |
| № 9333 | N25 | W50 | 05 | 0030 | Beta | Feb 2, 2001 | Feb 9, 2001 | Feb 23, 2001 |
| № 9330 | N25 | E04 | 17 | 0130 | Beta | Feb 6, 2001 | Feb 13, 2001 | Feb 27, 2001 |
| № 9327 | N17 | W62 | 05 | 0050 | Beta | Feb 1, 2001 | Feb 8, 2001 | Feb 22, 2001 |
| № 9325 | N11 | W74 | 01 | 0000 | 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.
