Active areas
Sunspots and active regions
By the end of the day, the following active regions with sunspots could be observed on the Sun's surface
| Group ID | Location | Number of sunspots | Area (msh) | Type | CM Passage | Disappearance (W90) | Reappearance (W270) | |
|---|---|---|---|---|---|---|---|---|
| № 9793 | S12 | E01 | 05 | 0020 | Beta | Jan 24, 2002 | Jan 31, 2002 | Feb 13, 2002 |
| № 9791 | S02 | W46 | 10 | 0070 | Beta | Jan 21, 2002 | Jan 27, 2002 | Feb 10, 2002 |
| № 9790 | N29 | W15 | 03 | 0010 | Beta | Jan 23, 2002 | Jan 30, 2002 | Feb 13, 2002 |
| № 9789 | N18 | W42 | 04 | 0010 | Beta | Jan 21, 2002 | Jan 28, 2002 | Feb 10, 2002 |
| № 9788 | N18 | W00 | 18 | 0200 | Beta-Gamma | Jan 24, 2002 | Jan 31, 2002 | Feb 14, 2002 |
| № 9787 | S06 | E19 | 13 | 0400 | Beta-Gamma | Jan 25, 2002 | Feb 1, 2002 | Feb 15, 2002 |
| № 9786 | S26 | W73 | 01 | 0050 | Alpha | Jan 18, 2002 | Jan 25, 2002 | Feb 8, 2002 |
| № 9785 | N13 | W66 | 02 | 0090 | Beta | Jan 19, 2002 | Jan 26, 2002 | Feb 8, 2002 |
| № 9783 | S10 | W52 | 10 | 0140 | Beta | Jan 20, 2002 | Jan 27, 2002 | Feb 9, 2002 |
| № 9782 | N08 | W75 | 01 | 0090 | Alpha | Jan 18, 2002 | Jan 25, 2002 | Feb 8, 2002 |
| № 9781 | S06 | W82 | 01 | 0050 | Alpha | Jan 18, 2002 | Jan 25, 2002 | Feb 7, 2002 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1973, January to 2002, January. Gray background - average solar cycle.
