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) | |
|---|---|---|---|---|---|---|---|---|
| № 9799 | S23 | E43 | 02 | 0030 | Beta | Jan 29, 2002 | Feb 5, 2002 | Feb 19, 2002 |
| № 9798 | S02 | E30 | 07 | 0050 | Beta | Jan 28, 2002 | Feb 4, 2002 | Feb 18, 2002 |
| № 9796 | N09 | E03 | 05 | 0020 | Beta | Jan 26, 2002 | Feb 2, 2002 | Feb 16, 2002 |
| № 9795 | N21 | W80 | 04 | 0100 | Beta | Jan 20, 2002 | Jan 27, 2002 | Feb 10, 2002 |
| № 9794 | N13 | E10 | 01 | 0010 | Alpha | Jan 27, 2002 | Feb 3, 2002 | Feb 16, 2002 |
| № 9793 | S14 | W23 | 04 | 0030 | Beta | Jan 24, 2002 | Jan 31, 2002 | Feb 14, 2002 |
| № 9791 | S04 | W78 | 01 | 0040 | Alpha | Jan 20, 2002 | Jan 27, 2002 | Feb 9, 2002 |
| № 9788 | N18 | W30 | 10 | 0150 | Beta | Jan 24, 2002 | Jan 31, 2002 | Feb 13, 2002 |
| № 9787 | S06 | W06 | 10 | 0470 | Beta | Jan 26, 2002 | Feb 1, 2002 | Feb 15, 2002 |
| № 9785 | N08 | W92 | 02 | 0060 | Alpha | Jan 19, 2002 | Jan 26, 2002 | Feb 8, 2002 |
| № 9784 | S34 | W80 | 01 | 0050 | Alpha | Jan 20, 2002 | Jan 27, 2002 | Feb 10, 2002 |
| № 9783 | S12 | W79 | 06 | 0170 | Beta | Jan 20, 2002 | Jan 27, 2002 | Feb 9, 2002 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1973, January to 2002, January. Gray background - average solar cycle.
