Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on January 27, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 9326 | N27 | W27 | 01 | 0020 | Beta | Jan 26, 2001 | Feb 2, 2001 | Feb 16, 2001 |
| № 9325 | N10 | E50 | 02 | 0050 | Alpha | Feb 1, 2001 | Feb 8, 2001 | Feb 21, 2001 |
| № 9324 | N10 | E02 | 02 | 0000 | Beta | Jan 28, 2001 | Feb 4, 2001 | Feb 18, 2001 |
| № 9323 | S29 | W34 | 04 | 0020 | Beta | Jan 25, 2001 | Feb 1, 2001 | Feb 16, 2001 |
| № 9322 | S22 | W44 | 05 | 0040 | Beta | Jan 25, 2001 | Feb 1, 2001 | Feb 14, 2001 |
| № 9321 | S04 | E03 | 23 | 0250 | Beta | Jan 28, 2001 | Feb 4, 2001 | Feb 18, 2001 |
| № 9320 | S25 | W61 | 01 | 0000 | Alpha | Jan 23, 2001 | Jan 30, 2001 | Feb 13, 2001 |
| № 9316 | S17 | W16 | 09 | 0060 | Beta | Jan 27, 2001 | Feb 3, 2001 | Feb 16, 2001 |
| № 9313 | S07 | W40 | 20 | 0140 | Beta | Jan 25, 2001 | Feb 1, 2001 | Feb 14, 2001 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1972 to January 2001. The gray background is the average SSN index.
