Active areas
Sunspots and active regions
By the end of the day, the following active regions with sunspots could be observed on the Sun's surface
| Group ID | Location | Number of sunspots | Area (msh) | Type | CM Passage | Disappearance (W90) | Reappearance (W270) | |
|---|---|---|---|---|---|---|---|---|
| № 9816 | S13 | W33 | 09 | 0080 | Beta | Feb 4, 2002 | Feb 10, 2002 | Feb 24, 2002 |
| № 9815 | N10 | E57 | 02 | 0080 | Alpha | Feb 10, 2002 | Feb 17, 2002 | Mar 3, 2002 |
| № 9814 | N07 | E02 | 01 | 0010 | Alpha | Feb 6, 2002 | Feb 13, 2002 | Feb 26, 2002 |
| № 9813 | S24 | W26 | 01 | 0010 | Alpha | Feb 4, 2002 | Feb 11, 2002 | Feb 25, 2002 |
| № 9812 | N12 | W42 | 04 | 0030 | Beta | Feb 3, 2002 | Feb 10, 2002 | Feb 23, 2002 |
| № 9811 | S28 | E57 | 07 | 0290 | Beta | Feb 10, 2002 | Feb 17, 2002 | Mar 4, 2002 |
| № 9810 | N09 | E42 | 04 | 0230 | Beta | Feb 9, 2002 | Feb 16, 2002 | Mar 2, 2002 |
| № 9809 | S06 | E16 | 06 | 0100 | Beta | Feb 7, 2002 | Feb 14, 2002 | Feb 28, 2002 |
| № 9808 | N17 | E02 | 07 | 0050 | Beta | Feb 6, 2002 | Feb 13, 2002 | Feb 27, 2002 |
| № 9807 | S27 | E13 | 27 | 0090 | Beta | Feb 7, 2002 | Feb 14, 2002 | Feb 28, 2002 |
| № 9806 | N12 | W21 | 03 | 0030 | Beta | Feb 4, 2002 | Feb 11, 2002 | Feb 25, 2002 |
| № 9802 | S14 | W44 | 57 | 0640 | Beta-Gamma-Delta | Feb 3, 2002 | Feb 9, 2002 | Feb 23, 2002 |
| № 9801 | S04 | W54 | 01 | 0080 | Alpha | Feb 2, 2002 | Feb 9, 2002 | Feb 22, 2002 |
| № 9800 | N10 | W73 | 05 | 0250 | Beta | Jan 31, 2002 | Feb 7, 2002 | Feb 21, 2002 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1973, January to 2002, February. Gray background - average solar cycle.
