Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on January 4, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 9772 | S18 | E85 | 01 | 0120 | Alpha | Jan 11, 2002 | Jan 18, 2002 | Feb 1, 2002 |
| № 9771 | S20 | E07 | 09 | 0040 | Beta | Jan 5, 2002 | Jan 12, 2002 | Jan 26, 2002 |
| № 9770 | N09 | W39 | 09 | 0050 | Beta | Jan 2, 2002 | Jan 9, 2002 | Jan 22, 2002 |
| № 9769 | S19 | W43 | 05 | 0060 | Beta | Jan 2, 2002 | Jan 8, 2002 | Jan 22, 2002 |
| № 9768 | S07 | W41 | 05 | 0040 | Beta | Jan 2, 2002 | Jan 9, 2002 | Jan 22, 2002 |
| № 9767 | S23 | E25 | 39 | 0310 | Beta-Gamma | Jan 7, 2002 | Jan 14, 2002 | Jan 28, 2002 |
| № 9766 | N07 | E10 | 02 | 0010 | Beta | Jan 6, 2002 | Jan 12, 2002 | Jan 26, 2002 |
| № 9765 | N06 | W01 | 04 | 0070 | Beta | Jan 5, 2002 | Jan 12, 2002 | Jan 25, 2002 |
| № 9764 | N14 | W62 | 07 | 0170 | Beta | Dec 31, 2001 | Jan 7, 2002 | Jan 21, 2002 |
| № 9763 | N07 | W18 | 01 | 0050 | Alpha | Jan 3, 2002 | Jan 10, 2002 | Jan 24, 2002 |
| № 9761 | N11 | W29 | 03 | 0020 | Alpha | Jan 3, 2002 | Jan 9, 2002 | Jan 23, 2002 |
| № 9755 | S04 | W53 | 04 | 0070 | Beta | Jan 1, 2002 | Jan 8, 2002 | Jan 21, 2002 |
| № 9754 | S05 | W79 | 10 | 0160 | Beta | Dec 30, 2001 | Jan 6, 2002 | Jan 19, 2002 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1973 to January 2002. The gray background is the average SSN index.
