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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on February 12, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 9828 | S15 | E52 | 01 | 0020 | Alpha | Feb 17, 2002 | Feb 24, 2002 | Mar 9, 2002 |
| № 9827 | S25 | W41 | 01 | 0010 | Alpha | Feb 10, 2002 | Feb 17, 2002 | Mar 3, 2002 |
| № 9826 | S23 | E27 | 07 | 0040 | Beta | Feb 15, 2002 | Feb 22, 2002 | Mar 8, 2002 |
| № 9825 | N12 | E45 | 16 | 0380 | Beta | Feb 16, 2002 | Feb 23, 2002 | Mar 9, 2002 |
| № 9824 | N21 | E43 | 01 | 0130 | Alpha | Feb 16, 2002 | Feb 23, 2002 | Mar 9, 2002 |
| № 9823 | S04 | W03 | 07 | 0050 | Beta | Feb 13, 2002 | Feb 19, 2002 | Mar 5, 2002 |
| № 9822 | N18 | E28 | 07 | 0040 | Beta | Feb 15, 2002 | Feb 22, 2002 | Mar 8, 2002 |
| № 9821 | S13 | W23 | 32 | 0310 | Beta-Gamma | Feb 11, 2002 | Feb 18, 2002 | Mar 4, 2002 |
| № 9819 | S30 | W04 | 02 | 0020 | Beta | Feb 13, 2002 | Feb 20, 2002 | Mar 6, 2002 |
| № 9811 | S26 | W30 | 08 | 0070 | Beta | Feb 11, 2002 | Feb 18, 2002 | Mar 3, 2002 |
| № 9810 | N10 | W52 | 03 | 0100 | Beta | Feb 9, 2002 | Feb 16, 2002 | Mar 1, 2002 |
| № 9809 | S06 | W74 | 01 | 0040 | Alpha | Feb 7, 2002 | Feb 14, 2002 | Feb 28, 2002 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1973 to February 2002. The gray background is the average SSN index.
