Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on January 29, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 9328 | N06 | W58 | 03 | 0040 | Beta | Jan 26, 2001 | Feb 1, 2001 | Feb 15, 2001 |
| № 9327 | N14 | E32 | 02 | 0000 | Beta | Feb 1, 2001 | Feb 8, 2001 | Feb 22, 2001 |
| № 9326 | N28 | W53 | 03 | 0040 | Beta | Jan 26, 2001 | Feb 2, 2001 | Feb 16, 2001 |
| № 9325 | N10 | E25 | 06 | 0050 | Beta | Feb 1, 2001 | Feb 8, 2001 | Feb 21, 2001 |
| № 9322 | S22 | W68 | 02 | 0010 | Alpha | Jan 25, 2001 | Feb 1, 2001 | Feb 15, 2001 |
| № 9321 | S04 | W24 | 20 | 0300 | Beta | Jan 28, 2001 | Feb 4, 2001 | Feb 17, 2001 |
| № 9316 | S14 | W44 | 01 | 0000 | Alpha | Jan 27, 2001 | Feb 2, 2001 | Feb 16, 2001 |
| № 9313 | S04 | W65 | 07 | 0030 | 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.
