Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on December 27, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 9761 | N09 | E77 | 01 | 0050 | Alpha | Jan 3, 2002 | Jan 9, 2002 | Jan 23, 2002 |
| № 9760 | N06 | E37 | 03 | 0010 | Beta | Dec 31, 2001 | Jan 6, 2002 | Jan 20, 2002 |
| № 9759 | N17 | E30 | 02 | 0010 | Beta | Dec 30, 2001 | Jan 6, 2002 | Jan 20, 2002 |
| № 9758 | N13 | E22 | 01 | 0000 | Alpha | Dec 30, 2001 | Jan 5, 2002 | Jan 19, 2002 |
| № 9757 | S09 | E04 | 03 | 0010 | Beta | Dec 28, 2001 | Jan 4, 2002 | Jan 18, 2002 |
| № 9756 | S28 | E74 | 01 | 0040 | Alpha | Jan 3, 2002 | Jan 10, 2002 | Jan 24, 2002 |
| № 9755 | S04 | E52 | 06 | 0200 | Beta | Jan 1, 2002 | Jan 8, 2002 | Jan 21, 2002 |
| № 9754 | S09 | E26 | 26 | 0250 | Beta-Gamma | Dec 30, 2001 | Jan 6, 2002 | Jan 19, 2002 |
| № 9753 | S19 | E11 | 15 | 0050 | Beta | Dec 29, 2001 | Jan 5, 2002 | Jan 18, 2002 |
| № 9751 | N04 | E06 | 33 | 0500 | Beta-Gamma | Dec 28, 2001 | Jan 4, 2002 | Jan 18, 2002 |
| № 9748 | S10 | W46 | 18 | 0300 | Beta | Dec 24, 2001 | Dec 31, 2001 | Jan 14, 2002 |
| № 9747 | N12 | W24 | 01 | 0010 | Alpha | Dec 26, 2001 | Jan 2, 2002 | Jan 15, 2002 |
| № 9745 | N18 | W48 | 03 | 0010 | Beta | Dec 24, 2001 | Dec 31, 2001 | Jan 14, 2002 |
| № 9743 | S09 | W58 | 02 | 0070 | Beta | Dec 23, 2001 | Dec 30, 2001 | Jan 13, 2002 |
| № 9742 | N12 | W66 | 25 | 0470 | Beta-Gamma | Dec 23, 2001 | Dec 30, 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.
