Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on March 11, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 9866 | S09 | E63 | 19 | 0840 | Beta-Gamma | Mar 17, 2002 | Mar 23, 2002 | Apr 6, 2002 |
| № 9865 | N15 | E45 | 01 | 0020 | Alpha | Mar 15, 2002 | Mar 22, 2002 | Apr 5, 2002 |
| № 9864 | N20 | E31 | 06 | 0090 | Beta | Mar 14, 2002 | Mar 21, 2002 | Apr 4, 2002 |
| № 9859 | S11 | W31 | 07 | 0030 | Beta | Mar 10, 2002 | Mar 16, 2002 | Mar 30, 2002 |
| № 9856 | S03 | W16 | 05 | 0150 | Beta | Mar 11, 2002 | Mar 17, 2002 | Mar 31, 2002 |
| № 9853 | S24 | W37 | 02 | 0020 | Beta | Mar 9, 2002 | Mar 16, 2002 | Mar 30, 2002 |
| № 9851 | S06 | W65 | 04 | 0060 | Beta | Mar 7, 2002 | Mar 14, 2002 | Mar 27, 2002 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1973 to March 2002. The gray background is the average SSN index.
