Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on January 30, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 9329 | S10 | E50 | 06 | 0030 | Beta | Feb 4, 2001 | Feb 11, 2001 | Feb 24, 2001 |
| № 9328 | N05 | W73 | 03 | 0040 | Beta | Jan 26, 2001 | Feb 1, 2001 | Feb 15, 2001 |
| № 9327 | N14 | E18 | 01 | 0000 | Alpha | Feb 1, 2001 | Feb 8, 2001 | Feb 22, 2001 |
| № 9326 | N26 | W68 | 02 | 0010 | Alpha | Jan 26, 2001 | Feb 2, 2001 | Feb 16, 2001 |
| № 9325 | N09 | E10 | 07 | 0050 | Beta | Feb 1, 2001 | Feb 8, 2001 | Feb 21, 2001 |
| № 9322 | S22 | W80 | 01 | 0010 | Alpha | Jan 25, 2001 | Feb 1, 2001 | Feb 15, 2001 |
| № 9321 | S03 | W37 | 27 | 0210 | Beta | Jan 28, 2001 | Feb 4, 2001 | Feb 18, 2001 |
| № 9316 | S15 | W58 | 02 | 0010 | Beta | Jan 27, 2001 | Feb 2, 2001 | Feb 16, 2001 |
| № 9313 | S04 | W79 | 03 | 0020 | 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.
