Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on January 18, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 9787 | S08 | E87 | 01 | 0120 | Alpha | Jan 25, 2002 | Feb 1, 2002 | Feb 15, 2002 |
| № 9786 | S26 | W04 | 07 | 0050 | Beta | Jan 19, 2002 | Jan 26, 2002 | Feb 9, 2002 |
| № 9785 | N10 | E03 | 12 | 0250 | Beta | Jan 19, 2002 | Jan 26, 2002 | Feb 8, 2002 |
| № 9783 | S12 | E14 | 05 | 0210 | Beta | Jan 20, 2002 | Jan 27, 2002 | Feb 9, 2002 |
| № 9782 | N06 | W06 | 10 | 0270 | Beta | Jan 18, 2002 | Jan 25, 2002 | Feb 8, 2002 |
| № 9781 | S04 | W12 | 01 | 0100 | Alpha | Jan 18, 2002 | Jan 25, 2002 | Feb 7, 2002 |
| № 9779 | N29 | W51 | 03 | 0120 | Beta | Jan 15, 2002 | Jan 22, 2002 | Feb 5, 2002 |
| № 9778 | S14 | W48 | 03 | 0020 | Beta | Jan 15, 2002 | Jan 22, 2002 | Feb 5, 2002 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1973 to January 2002. The gray background is the average SSN index.
