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) | |
|---|---|---|---|---|---|---|---|---|
| № 9840 | S12 | E72 | 02 | 0020 | Alpha | Feb 28, 2002 | Mar 7, 2002 | Mar 21, 2002 |
| № 9839 | S16 | E06 | 03 | 0010 | Beta | Feb 23, 2002 | Mar 2, 2002 | Mar 16, 2002 |
| № 9838 | N05 | W18 | 04 | 0020 | Beta | Feb 22, 2002 | Feb 28, 2002 | Mar 14, 2002 |
| № 9837 | N08 | E57 | 01 | 0140 | Alpha | Feb 27, 2002 | Mar 6, 2002 | Mar 20, 2002 |
| № 9835 | S09 | W75 | 03 | 0170 | Beta | Feb 17, 2002 | Feb 24, 2002 | Mar 10, 2002 |
| № 9834 | N03 | E27 | 01 | 0010 | Alpha | Feb 25, 2002 | Mar 4, 2002 | Mar 17, 2002 |
| № 9832 | S03 | W15 | 02 | 0030 | Beta | Feb 22, 2002 | Mar 1, 2002 | Mar 14, 2002 |
| № 9830 | S19 | W22 | 29 | 0530 | Beta-Gamma-Delta | Feb 21, 2002 | Feb 28, 2002 | Mar 14, 2002 |
| № 9825 | N13 | W92 | 02 | 0120 | Beta-Gamma | Feb 16, 2002 | Feb 23, 2002 | Mar 8, 2002 |
| № 9824 | N24 | W86 | 01 | 0080 | Alpha | Feb 16, 2002 | Feb 23, 2002 | Mar 9, 2002 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1973, January to 2002, February. Gray background - average solar cycle.
