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) | |
|---|---|---|---|---|---|---|---|---|
| № 9875 | S19 | E62 | 01 | 0010 | Alpha | Mar 26, 2002 | Apr 2, 2002 | Apr 15, 2002 |
| № 9874 | N17 | E21 | 03 | 0020 | Beta | Mar 23, 2002 | Mar 29, 2002 | Apr 12, 2002 |
| № 9873 | S18 | W35 | 12 | 0090 | Beta | Mar 18, 2002 | Mar 25, 2002 | Apr 8, 2002 |
| № 9871 | S19 | W06 | 14 | 0260 | Beta | Mar 21, 2002 | Mar 27, 2002 | Apr 10, 2002 |
| № 9870 | S20 | W47 | 08 | 0080 | Beta | Mar 17, 2002 | Mar 24, 2002 | Apr 7, 2002 |
| № 9866 | S09 | W59 | 10 | 0290 | Beta-Gamma | Mar 17, 2002 | Mar 23, 2002 | Apr 6, 2002 |
| № 9864 | N18 | W84 | 01 | 0020 | Alpha | Mar 15, 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.

