Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on January 13, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 9783 | S10 | E76 | 01 | 0090 | Alpha | Jan 20, 2002 | Jan 27, 2002 | Feb 9, 2002 |
| № 9782 | N09 | E62 | 06 | 0320 | Beta | Jan 19, 2002 | Jan 25, 2002 | Feb 8, 2002 |
| № 9781 | S05 | E52 | 01 | 0080 | Alpha | Jan 18, 2002 | Jan 25, 2002 | Feb 7, 2002 |
| № 9780 | S10 | W93 | 01 | 0030 | Alpha | Jan 7, 2002 | Jan 14, 2002 | Jan 27, 2002 |
| № 9779 | N29 | E13 | 03 | 0120 | Beta | Jan 15, 2002 | Jan 22, 2002 | Feb 5, 2002 |
| № 9778 | S16 | E21 | 20 | 0140 | Beta-Gamma | Jan 16, 2002 | Jan 22, 2002 | Feb 5, 2002 |
| № 9776 | N11 | W13 | 05 | 0020 | Beta | Jan 13, 2002 | Jan 20, 2002 | Feb 2, 2002 |
| № 9775 | S05 | W30 | 19 | 0140 | Beta-Gamma | Jan 12, 2002 | Jan 19, 2002 | Feb 1, 2002 |
| № 9773 | N15 | W46 | 16 | 0500 | Beta-Gamma-Delta | Jan 11, 2002 | Jan 17, 2002 | Jan 31, 2002 |
| № 9772 | S16 | W41 | 02 | 0060 | Alpha | Jan 11, 2002 | Jan 18, 2002 | Jan 31, 2002 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1973 to January 2002. The gray background is the average SSN index.
