Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on February 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) | |
|---|---|---|---|---|---|---|---|---|
| № 9834 | N03 | E55 | 02 | 0010 | Beta | Feb 25, 2002 | Mar 4, 2002 | Mar 17, 2002 |
| № 9833 | N11 | W16 | 06 | 0040 | Beta | Feb 20, 2002 | Feb 27, 2002 | Mar 12, 2002 |
| № 9832 | S14 | E10 | 04 | 0020 | Beta | Feb 22, 2002 | Mar 1, 2002 | Mar 14, 2002 |
| № 9830 | S20 | E07 | 46 | 0610 | Beta-Gamma-Delta | Feb 22, 2002 | Feb 28, 2002 | Mar 14, 2002 |
| № 9825 | N16 | W66 | 11 | 0210 | Beta-Gamma | Feb 16, 2002 | Feb 23, 2002 | Mar 9, 2002 |
| № 9824 | N23 | W60 | 01 | 0100 | 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.
