Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on February 3, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 9812 | N12 | W14 | 02 | 0010 | Beta | Feb 3, 2002 | Feb 10, 2002 | Feb 23, 2002 |
| № 9811 | S27 | E85 | 01 | 0090 | Alpha | Feb 10, 2002 | Feb 17, 2002 | Mar 4, 2002 |
| № 9810 | N09 | E70 | 02 | 0200 | Beta | Feb 9, 2002 | Feb 16, 2002 | Mar 1, 2002 |
| № 9809 | S06 | E44 | 03 | 0120 | Beta | Feb 7, 2002 | Feb 14, 2002 | Feb 27, 2002 |
| № 9808 | N16 | E30 | 06 | 0050 | Beta | Feb 6, 2002 | Feb 13, 2002 | Feb 27, 2002 |
| № 9807 | S27 | E40 | 16 | 0210 | Beta-Gamma | Feb 7, 2002 | Feb 14, 2002 | Feb 28, 2002 |
| № 9806 | N11 | E05 | 04 | 0050 | Beta | Feb 4, 2002 | Feb 11, 2002 | Feb 25, 2002 |
| № 9802 | S14 | W16 | 55 | 0660 | Beta-Gamma-Delta | Feb 3, 2002 | Feb 9, 2002 | Feb 23, 2002 |
| № 9801 | S04 | W27 | 05 | 0110 | Beta | Feb 2, 2002 | Feb 9, 2002 | Feb 22, 2002 |
| № 9800 | N10 | W42 | 28 | 0490 | Beta-Gamma | Feb 1, 2002 | Feb 7, 2002 | Feb 21, 2002 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1973 to February 2002. The gray background is the average SSN index.
