Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on January 28, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 9803 | S24 | W47 | 04 | 0030 | Beta | Jan 25, 2002 | Feb 1, 2002 | Feb 15, 2002 |
| № 9802 | S15 | E60 | 10 | 0230 | Beta | Feb 3, 2002 | Feb 9, 2002 | Feb 23, 2002 |
| № 9801 | S03 | E50 | 03 | 0110 | Beta | Feb 2, 2002 | Feb 9, 2002 | Feb 22, 2002 |
| № 9800 | N07 | E35 | 35 | 0330 | Beta | Feb 1, 2002 | Feb 7, 2002 | Feb 21, 2002 |
| № 9799 | S24 | E03 | 07 | 0100 | Beta | Jan 29, 2002 | Feb 5, 2002 | Feb 19, 2002 |
| № 9798 | S02 | W13 | 05 | 0020 | Beta | Jan 28, 2002 | Feb 4, 2002 | Feb 17, 2002 |
| № 9794 | N13 | W30 | 05 | 0040 | Beta | Jan 27, 2002 | Feb 3, 2002 | Feb 16, 2002 |
| № 9793 | S14 | W66 | 03 | 0010 | Beta | Jan 24, 2002 | Jan 31, 2002 | Feb 13, 2002 |
| № 9788 | N17 | W70 | 12 | 0120 | Beta | Jan 24, 2002 | Jan 31, 2002 | Feb 13, 2002 |
| № 9787 | S08 | W48 | 05 | 0450 | Beta | Jan 25, 2002 | Feb 1, 2002 | Feb 15, 2002 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1973 to January 2002. The gray background is the average SSN index.
