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) | |
|---|---|---|---|---|---|---|---|---|
| № 9872 | S31 | W05 | 07 | 0040 | Beta | Mar 18, 2002 | Mar 25, 2002 | Apr 8, 2002 |
| № 9871 | S21 | E31 | 13 | 0280 | Beta | Mar 20, 2002 | Mar 27, 2002 | Apr 10, 2002 |
| № 9870 | S20 | W07 | 02 | 0100 | Alpha | Mar 17, 2002 | Mar 24, 2002 | Apr 7, 2002 |
| № 9868 | N20 | W32 | 04 | 0010 | Beta | Mar 16, 2002 | Mar 22, 2002 | Apr 5, 2002 |
| № 9866 | S09 | W19 | 35 | 0540 | Beta-Gamma-Delta | Mar 17, 2002 | Mar 23, 2002 | Apr 6, 2002 |
| № 9864 | N19 | W47 | 03 | 0050 | Beta | Mar 14, 2002 | Mar 21, 2002 | Apr 4, 2002 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1973, January to 2002, March. Gray background - average solar cycle.
