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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on February 7, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 9819 | S30 | E57 | 04 | 0050 | Beta | Feb 12, 2002 | Feb 20, 2002 | Mar 6, 2002 |
| № 9818 | N07 | E40 | 02 | 0010 | Alpha | Feb 11, 2002 | Feb 18, 2002 | Mar 3, 2002 |
| № 9817 | S06 | E07 | 01 | 0000 | Alpha | Feb 9, 2002 | Feb 15, 2002 | Mar 1, 2002 |
| № 9816 | S11 | W58 | 04 | 0060 | Beta | Feb 4, 2002 | Feb 10, 2002 | Feb 24, 2002 |
| № 9815 | N12 | E30 | 07 | 0100 | Beta | Feb 10, 2002 | Feb 17, 2002 | Mar 3, 2002 |
| № 9812 | N11 | W69 | 01 | 0000 | Alpha | Feb 3, 2002 | Feb 10, 2002 | Feb 23, 2002 |
| № 9811 | S25 | E32 | 12 | 0200 | Beta | Feb 10, 2002 | Feb 17, 2002 | Mar 3, 2002 |
| № 9810 | N11 | E13 | 06 | 0130 | Beta | Feb 9, 2002 | Feb 16, 2002 | Mar 1, 2002 |
| № 9809 | S04 | W11 | 08 | 0090 | Beta | Feb 7, 2002 | Feb 14, 2002 | Feb 27, 2002 |
| № 9808 | N17 | W26 | 13 | 0060 | Beta | Feb 6, 2002 | Feb 13, 2002 | Feb 27, 2002 |
| № 9807 | S27 | W11 | 09 | 0030 | Beta | Feb 7, 2002 | Feb 14, 2002 | Feb 28, 2002 |
| № 9806 | N12 | W49 | 01 | 0020 | Alpha | Feb 4, 2002 | Feb 11, 2002 | Feb 25, 2002 |
| № 9802 | S13 | W68 | 17 | 0310 | Beta-Gamma | Feb 3, 2002 | Feb 10, 2002 | Feb 23, 2002 |
| № 9801 | S02 | W86 | 01 | 0070 | Alpha | Feb 2, 2002 | Feb 8, 2002 | Feb 22, 2002 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1973 to February 2002. The gray background is the average SSN index.
