Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on December 25, 2001. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 9754 | S08 | E50 | 06 | 0080 | Beta | Dec 30, 2001 | Jan 5, 2002 | Jan 19, 2002 |
| № 9753 | S18 | E39 | 08 | 0080 | Beta | Dec 29, 2001 | Jan 5, 2002 | Jan 18, 2002 |
| № 9751 | N05 | E32 | 13 | 0380 | Beta | Dec 28, 2001 | Jan 4, 2002 | Jan 18, 2002 |
| № 9748 | S10 | W19 | 13 | 0180 | Beta | Dec 24, 2001 | Dec 31, 2001 | Jan 14, 2002 |
| № 9747 | N12 | E04 | 05 | 0020 | Beta | Dec 26, 2001 | Jan 2, 2002 | Jan 16, 2002 |
| № 9745 | N17 | W20 | 09 | 0030 | Beta | Dec 24, 2001 | Dec 31, 2001 | Jan 14, 2002 |
| № 9743 | S10 | W32 | 02 | 0090 | Beta | Dec 23, 2001 | Dec 30, 2001 | Jan 13, 2002 |
| № 9742 | N11 | W42 | 40 | 0960 | Beta-Gamma | Dec 23, 2001 | Dec 29, 2001 | Jan 12, 2002 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1972 to December 2001. The gray background is the average SSN index.
