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) | |
|---|---|---|---|---|---|---|---|---|
| № 9888 | S11 | E70 | 04 | 0150 | Beta | Apr 5, 2002 | Apr 12, 2002 | Apr 26, 2002 |
| № 9887 | N01 | E66 | 03 | 0010 | Beta | Apr 5, 2002 | Apr 12, 2002 | Apr 25, 2002 |
| № 9886 | N11 | E59 | 07 | 0090 | Beta | Apr 4, 2002 | Apr 11, 2002 | Apr 25, 2002 |
| № 9885 | N12 | E44 | 25 | 0460 | Beta-Gamma | Apr 3, 2002 | Apr 10, 2002 | Apr 24, 2002 |
| № 9884 | S19 | E14 | 13 | 0060 | Beta | Apr 1, 2002 | Apr 8, 2002 | Apr 22, 2002 |
| № 9883 | N07 | W10 | 03 | 0020 | Alpha | Mar 30, 2002 | Apr 6, 2002 | Apr 20, 2002 |
| № 9880 | N08 | W76 | 14 | 0400 | Beta-Gamma | Mar 25, 2002 | Apr 1, 2002 | Apr 15, 2002 |
| № 9878 | N09 | W40 | 09 | 0080 | Beta | Mar 28, 2002 | Apr 4, 2002 | Apr 17, 2002 |
| № 9876 | S15 | W47 | 21 | 0090 | Beta | Mar 27, 2002 | Apr 3, 2002 | Apr 17, 2002 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1973, January to 2002, March. Gray background - average solar cycle.

