Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on March 31, 2002. Coordinates are given as of the end of the day.
| Group ID | Location | Number of sunspots | Area (msh) | Type | CM Passage | Disappearance (W90) | Reappearance (W270) | |
|---|---|---|---|---|---|---|---|---|
| № 9888 | S12 | E54 | 05 | 0110 | Beta | Apr 5, 2002 | Apr 12, 2002 | Apr 26, 2002 |
| № 9887 | N01 | E47 | 10 | 0170 | Beta | Apr 5, 2002 | Apr 12, 2002 | Apr 25, 2002 |
| № 9886 | N12 | E38 | 08 | 0080 | Beta | Apr 4, 2002 | Apr 11, 2002 | Apr 25, 2002 |
| № 9885 | N11 | E23 | 32 | 0580 | Beta-Gamma-Delta | Apr 3, 2002 | Apr 10, 2002 | Apr 23, 2002 |
| № 9884 | S19 | W02 | 11 | 0060 | Beta | Apr 1, 2002 | Apr 8, 2002 | Apr 22, 2002 |
| № 9883 | N07 | W27 | 01 | 0000 | Alpha | Mar 30, 2002 | Apr 6, 2002 | Apr 20, 2002 |
| № 9880 | N08 | W93 | 04 | 0120 | Beta | Mar 25, 2002 | Apr 1, 2002 | Apr 15, 2002 |
| № 9878 | N09 | W59 | 05 | 0060 | Beta | Mar 28, 2002 | Apr 4, 2002 | Apr 17, 2002 |
| № 9876 | S14 | W65 | 05 | 0030 | Beta | Mar 27, 2002 | Apr 3, 2002 | Apr 17, 2002 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1973 to March 2002. The gray background is the average SSN index.
