Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on January 12, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 9309 | N10 | W14 | 10 | 0070 | Beta | Jan 12, 2001 | Jan 19, 2001 | Feb 1, 2001 |
| № 9308 | N14 | E39 | 09 | 0060 | Beta | Jan 16, 2001 | Jan 23, 2001 | Feb 5, 2001 |
| № 9306 | N12 | E14 | 34 | 0220 | Beta-Gamma | Jan 14, 2001 | Jan 21, 2001 | Feb 3, 2001 |
| № 9305 | S07 | E10 | 02 | 0010 | Alpha | Jan 14, 2001 | Jan 21, 2001 | Feb 3, 2001 |
| № 9304 | N12 | W01 | 03 | 0030 | Alpha | Jan 13, 2001 | Jan 20, 2001 | Feb 2, 2001 |
| № 9302 | N18 | W15 | 07 | 0070 | Beta | Jan 12, 2001 | Jan 19, 2001 | Feb 1, 2001 |
| № 9301 | N08 | W20 | 01 | 0030 | Alpha | Jan 11, 2001 | Jan 18, 2001 | Feb 1, 2001 |
| № 9296 | N08 | W45 | 05 | 0090 | Alpha | Jan 10, 2001 | Jan 16, 2001 | Jan 30, 2001 |
| № 9295 | S12 | W47 | 01 | 0010 | Alpha | Jan 9, 2001 | Jan 16, 2001 | Jan 30, 2001 |
| № 9294 | N22 | W62 | 01 | 0000 | Alpha | Jan 8, 2001 | Jan 15, 2001 | Jan 29, 2001 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1972 to January 2001. The gray background is the average SSN index.
