Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on March 28, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 9885 | N11 | E71 | 04 | 0120 | Beta | Apr 3, 2002 | Apr 10, 2002 | Apr 24, 2002 |
| № 9884 | S18 | E40 | 06 | 0040 | Beta | Apr 1, 2002 | Apr 8, 2002 | Apr 21, 2002 |
| № 9883 | N06 | E19 | 02 | 0040 | Alpha | Mar 30, 2002 | Apr 6, 2002 | Apr 20, 2002 |
| № 9882 | N16 | E03 | 07 | 0050 | Beta | Mar 29, 2002 | Apr 5, 2002 | Apr 19, 2002 |
| № 9881 | S03 | W73 | 08 | 0160 | Beta | Mar 23, 2002 | Mar 30, 2002 | Apr 13, 2002 |
| № 9880 | N08 | W48 | 19 | 0220 | Beta-Gamma | Mar 25, 2002 | Apr 1, 2002 | Apr 15, 2002 |
| № 9878 | N10 | W11 | 20 | 0150 | Beta-Gamma-Delta | Mar 28, 2002 | Apr 4, 2002 | Apr 17, 2002 |
| № 9876 | S15 | W20 | 20 | 0140 | Beta | Mar 27, 2002 | Apr 3, 2002 | Apr 17, 2002 |
| № 9875 | S21 | W47 | 03 | 0040 | Beta | Mar 25, 2002 | Apr 1, 2002 | Apr 15, 2002 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1973 to March 2002. The gray background is the average SSN index.
