Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on February 1, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 9809 | S06 | E70 | 02 | 0130 | Beta | Feb 7, 2002 | Feb 14, 2002 | Feb 27, 2002 |
| № 9808 | N15 | E56 | 04 | 0030 | Beta | Feb 6, 2002 | Feb 13, 2002 | Feb 27, 2002 |
| № 9807 | S26 | E66 | 07 | 0370 | Beta | Feb 7, 2002 | Feb 14, 2002 | Feb 28, 2002 |
| № 9806 | N12 | E33 | 04 | 0050 | Beta | Feb 4, 2002 | Feb 11, 2002 | Feb 25, 2002 |
| № 9805 | N12 | E32 | 05 | 0030 | Beta | Feb 4, 2002 | Feb 11, 2002 | Feb 25, 2002 |
| № 9804 | S19 | W11 | 04 | 0020 | Beta | Feb 1, 2002 | Feb 8, 2002 | Feb 22, 2002 |
| № 9802 | S16 | E11 | 49 | 0650 | Beta-Gamma-Delta | Feb 3, 2002 | Feb 10, 2002 | Feb 23, 2002 |
| № 9801 | S04 | W00 | 08 | 0100 | Beta | Feb 2, 2002 | Feb 9, 2002 | Feb 22, 2002 |
| № 9800 | N07 | W16 | 52 | 0570 | Beta-Gamma | Feb 1, 2002 | Feb 7, 2002 | Feb 21, 2002 |
| № 9799 | S23 | W47 | 03 | 0020 | Beta | Jan 29, 2002 | Feb 5, 2002 | Feb 19, 2002 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1973 to February 2002. The gray background is the average SSN index.
