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) | |
|---|---|---|---|---|---|---|---|---|
| № 9789 | N15 | E10 | 04 | 0020 | Beta | Jan 21, 2002 | Jan 28, 2002 | Feb 10, 2002 |
| № 9788 | N16 | E52 | 02 | 0030 | Beta | Jan 24, 2002 | Jan 31, 2002 | Feb 13, 2002 |
| № 9787 | S07 | E71 | 02 | 0210 | Alpha | Jan 25, 2002 | Feb 1, 2002 | Feb 15, 2002 |
| № 9786 | S26 | W19 | 15 | 0030 | Beta | Jan 19, 2002 | Jan 26, 2002 | Feb 8, 2002 |
| № 9785 | N09 | W14 | 11 | 0180 | Beta | Jan 19, 2002 | Jan 26, 2002 | Feb 8, 2002 |
| № 9783 | S11 | E01 | 06 | 0180 | Beta | Jan 20, 2002 | Jan 27, 2002 | Feb 9, 2002 |
| № 9782 | N06 | W22 | 10 | 0200 | Beta | Jan 18, 2002 | Jan 25, 2002 | Feb 8, 2002 |
| № 9781 | S05 | W28 | 01 | 0080 | Alpha | Jan 18, 2002 | Jan 25, 2002 | Feb 7, 2002 |
| № 9779 | N29 | W64 | 02 | 0090 | Alpha | Jan 15, 2002 | Jan 22, 2002 | Feb 5, 2002 |
| № 9778 | S14 | W62 | 03 | 0010 | Beta | Jan 15, 2002 | Jan 22, 2002 | Feb 5, 2002 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1973, January to 2002, January. Gray background - average solar cycle.
