Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on February 22, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 9840 | S12 | E70 | 02 | 0020 | Alpha | Feb 28, 2002 | Mar 7, 2002 | Mar 21, 2002 |
| № 9839 | S16 | E04 | 03 | 0010 | Beta | Feb 23, 2002 | Mar 2, 2002 | Mar 16, 2002 |
| № 9838 | N05 | W20 | 04 | 0020 | Beta | Feb 22, 2002 | Feb 28, 2002 | Mar 14, 2002 |
| № 9837 | N08 | E55 | 01 | 0140 | Alpha | Feb 27, 2002 | Mar 6, 2002 | Mar 20, 2002 |
| № 9835 | S09 | W77 | 03 | 0170 | Beta | Feb 17, 2002 | Feb 24, 2002 | Mar 10, 2002 |
| № 9834 | N03 | E25 | 01 | 0010 | Alpha | Feb 25, 2002 | Mar 4, 2002 | Mar 17, 2002 |
| № 9832 | S03 | W17 | 02 | 0030 | Beta | Feb 22, 2002 | Mar 1, 2002 | Mar 14, 2002 |
| № 9830 | S19 | W24 | 29 | 0530 | Beta-Gamma-Delta | Feb 21, 2002 | Feb 28, 2002 | Mar 14, 2002 |
| № 9825 | N13 | W94 | 02 | 0120 | Beta-Gamma | Feb 16, 2002 | Feb 23, 2002 | Mar 8, 2002 |
| № 9824 | N24 | W88 | 01 | 0080 | Alpha | Feb 16, 2002 | Feb 23, 2002 | Mar 9, 2002 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1973 to February 2002. The gray background is the average SSN index.
