Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on January 25, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 9324 | N09 | E29 | 04 | 0030 | Beta | Jan 28, 2001 | Feb 4, 2001 | Feb 18, 2001 |
| № 9323 | S28 | W10 | 04 | 0020 | Beta | Jan 25, 2001 | Feb 1, 2001 | Feb 15, 2001 |
| № 9322 | S22 | W16 | 07 | 0020 | Beta | Jan 25, 2001 | Feb 1, 2001 | Feb 15, 2001 |
| № 9321 | S06 | E31 | 24 | 0180 | Beta | Jan 28, 2001 | Feb 4, 2001 | Feb 18, 2001 |
| № 9320 | S23 | W39 | 04 | 0030 | Beta | Jan 23, 2001 | Jan 30, 2001 | Feb 13, 2001 |
| № 9319 | S18 | W89 | 01 | 0010 | Alpha | Jan 19, 2001 | Jan 26, 2001 | Feb 9, 2001 |
| № 9316 | S15 | E11 | 09 | 0100 | Beta | Jan 27, 2001 | Feb 3, 2001 | Feb 16, 2001 |
| № 9313 | S07 | W12 | 34 | 0130 | Beta-Gamma | Jan 25, 2001 | Feb 1, 2001 | Feb 14, 2001 |
| № 9311 | N06 | W76 | 09 | 0230 | Beta | Jan 20, 2001 | Jan 27, 2001 | Feb 10, 2001 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1972 to January 2001. The gray background is the average SSN index.
