Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on December 26, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 9755 | S05 | E64 | 03 | 0180 | Beta | Jan 1, 2002 | Jan 8, 2002 | Jan 21, 2002 |
| № 9754 | S09 | E38 | 25 | 0270 | Beta-Gamma | Dec 30, 2001 | Jan 6, 2002 | Jan 19, 2002 |
| № 9753 | S18 | E12 | 07 | 0040 | Beta | Dec 28, 2001 | Jan 4, 2002 | Jan 18, 2002 |
| № 9752 | S13 | W59 | 02 | 0010 | Beta | Dec 23, 2001 | Dec 29, 2001 | Jan 12, 2002 |
| № 9751 | N04 | E18 | 25 | 0380 | Beta-Gamma | Dec 28, 2001 | Jan 4, 2002 | Jan 18, 2002 |
| № 9748 | S10 | W36 | 23 | 0320 | Beta-Gamma | Dec 24, 2001 | Dec 31, 2001 | Jan 14, 2002 |
| № 9747 | N12 | W10 | 04 | 0030 | Beta | Dec 26, 2001 | Jan 2, 2002 | Jan 16, 2002 |
| № 9745 | N19 | W38 | 04 | 0010 | Beta | Dec 24, 2001 | Dec 31, 2001 | Jan 14, 2002 |
| № 9743 | S09 | W46 | 04 | 0100 | Beta | Dec 24, 2001 | Dec 30, 2001 | Jan 13, 2002 |
| № 9742 | N12 | W57 | 49 | 1070 | 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.
