Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on March 20, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 9875 | S19 | E64 | 01 | 0010 | Alpha | Mar 26, 2002 | Apr 2, 2002 | Apr 15, 2002 |
| № 9874 | N17 | E23 | 03 | 0020 | Beta | Mar 23, 2002 | Mar 29, 2002 | Apr 12, 2002 |
| № 9873 | S18 | W33 | 12 | 0090 | Beta | Mar 18, 2002 | Mar 25, 2002 | Apr 8, 2002 |
| № 9871 | S19 | W04 | 14 | 0260 | Beta | Mar 21, 2002 | Mar 27, 2002 | Apr 10, 2002 |
| № 9870 | S20 | W45 | 08 | 0080 | Beta | Mar 17, 2002 | Mar 24, 2002 | Apr 7, 2002 |
| № 9866 | S09 | W57 | 10 | 0290 | Beta-Gamma | Mar 17, 2002 | Mar 23, 2002 | Apr 6, 2002 |
| № 9864 | N18 | W82 | 01 | 0020 | Alpha | Mar 15, 2002 | Mar 21, 2002 | Apr 4, 2002 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1973 to March 2002. The gray background is the average SSN index.
