Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on January 15, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 9310 | N26 | E52 | 02 | 0030 | Beta | Jan 20, 2001 | Jan 27, 2001 | Feb 10, 2001 |
| № 9309 | N09 | W51 | 03 | 0040 | Beta | Jan 12, 2001 | Jan 19, 2001 | Feb 2, 2001 |
| № 9308 | N15 | W01 | 14 | 0200 | Beta | Jan 16, 2001 | Jan 23, 2001 | Feb 5, 2001 |
| № 9306 | N12 | W25 | 60 | 0510 | Beta-Gamma | Jan 14, 2001 | Jan 21, 2001 | Feb 4, 2001 |
| № 9304 | N11 | W44 | 01 | 0030 | Alpha | Jan 13, 2001 | Jan 19, 2001 | Feb 2, 2001 |
| № 9302 | N19 | W54 | 04 | 0030 | Beta | Jan 12, 2001 | Jan 19, 2001 | Feb 1, 2001 |
| № 9301 | N08 | W58 | 04 | 0020 | Beta | Jan 12, 2001 | Jan 18, 2001 | Feb 1, 2001 |
| № 9296 | N08 | W84 | 02 | 0030 | Beta | Jan 10, 2001 | Jan 16, 2001 | Jan 30, 2001 |
| № 9295 | S13 | W84 | 01 | 0000 | Alpha | Jan 10, 2001 | Jan 16, 2001 | Jan 30, 2001 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1972 to January 2001. The gray background is the average SSN index.
