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) | |
|---|---|---|---|---|---|---|---|---|
| № 9871 | S20 | E58 | 07 | 0210 | Beta | Mar 20, 2002 | Mar 27, 2002 | Apr 10, 2002 |
| № 9870 | S20 | E24 | 06 | 0120 | Beta | Mar 18, 2002 | Mar 25, 2002 | Apr 8, 2002 |
| № 9869 | N23 | W00 | 01 | 0010 | Alpha | Mar 16, 2002 | Mar 23, 2002 | Apr 6, 2002 |
| № 9868 | N19 | W06 | 11 | 0020 | Beta | Mar 16, 2002 | Mar 22, 2002 | Apr 5, 2002 |
| № 9866 | S10 | E07 | 36 | 0820 | Beta-Delta | Mar 17, 2002 | Mar 23, 2002 | Apr 6, 2002 |
| № 9864 | N18 | W20 | 05 | 0050 | Beta | Mar 14, 2002 | Mar 21, 2002 | Apr 4, 2002 |
| № 9860 | S06 | W55 | 01 | 0010 | Alpha | Mar 12, 2002 | Mar 19, 2002 | Apr 1, 2002 |
| № 9859 | S11 | W79 | 02 | 0010 | Alpha | Mar 10, 2002 | Mar 17, 2002 | Mar 30, 2002 |
| № 9856 | S04 | W72 | 03 | 0100 | Alpha | Mar 11, 2002 | Mar 17, 2002 | Mar 31, 2002 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1973, January to 2002, March. Gray background - average solar cycle.
