Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on March 16, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 9872 | S31 | E09 | 06 | 0030 | Beta | Mar 18, 2002 | Mar 25, 2002 | Apr 8, 2002 |
| № 9871 | S20 | E44 | 06 | 0200 | Beta | Mar 20, 2002 | Mar 27, 2002 | Apr 10, 2002 |
| № 9870 | S19 | E06 | 04 | 0090 | Beta | Mar 17, 2002 | Mar 24, 2002 | Apr 7, 2002 |
| № 9868 | N20 | W18 | 04 | 0020 | Beta | Mar 16, 2002 | Mar 23, 2002 | Apr 5, 2002 |
| № 9866 | S09 | W06 | 26 | 0690 | Beta-Delta | Mar 17, 2002 | Mar 23, 2002 | Apr 6, 2002 |
| № 9864 | N18 | W35 | 03 | 0040 | Beta | Mar 14, 2002 | Mar 21, 2002 | Apr 4, 2002 |
| № 9860 | S07 | W68 | 04 | 0020 | Beta | Mar 12, 2002 | Mar 19, 2002 | Apr 1, 2002 |
| № 9856 | S04 | W85 | 01 | 0050 | Alpha | Mar 11, 2002 | Mar 17, 2002 | Mar 31, 2002 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1973 to March 2002. The gray background is the average SSN index.
