Active areas
Sunspots and active regions
By the end of the day, the following active regions with sunspots could be observed on the Sun's surface
| Group ID | Location | Number of sunspots | Area (msh) | Type | CM Passage | Disappearance (W90) | Reappearance (W270) | |
|---|---|---|---|---|---|---|---|---|
| № 9732 | N03 | E64 | 03 | 0070 | Beta | Dec 14, 2001 | Dec 21, 2001 | Jan 3, 2002 |
| № 9731 | N24 | E23 | 03 | 0030 | Beta | Dec 11, 2001 | Dec 18, 2001 | Jan 1, 2002 |
| № 9729 | N23 | W22 | 01 | 0020 | Alpha | Dec 7, 2001 | Dec 14, 2001 | Dec 28, 2001 |
| № 9728 | N36 | W47 | 05 | 0110 | Beta | Dec 5, 2001 | Dec 12, 2001 | Dec 27, 2001 |
| № 9727 | S22 | E16 | 08 | 0430 | Beta-Gamma-Delta | Dec 10, 2001 | Dec 17, 2001 | Dec 31, 2001 |
| № 9726 | S16 | E03 | 07 | 0080 | Beta | Dec 9, 2001 | Dec 16, 2001 | Dec 30, 2001 |
| № 9724 | N10 | W07 | 06 | 0060 | Beta | Dec 8, 2001 | Dec 15, 2001 | Dec 29, 2001 |
| № 9723 | S04 | W38 | 05 | 0040 | Beta | Dec 6, 2001 | Dec 13, 2001 | Dec 26, 2001 |
| № 9721 | N12 | W37 | 04 | 0130 | Beta | Dec 6, 2001 | Dec 13, 2001 | Dec 27, 2001 |
| № 9720 | S26 | W41 | 09 | 0070 | Beta | Dec 6, 2001 | Dec 13, 2001 | Dec 27, 2001 |
| № 9718 | S06 | W51 | 17 | 0540 | Beta-Gamma | Dec 5, 2001 | Dec 12, 2001 | Dec 25, 2001 |
| № 9717 | N05 | W61 | 01 | 0110 | Alpha | Dec 4, 2001 | Dec 11, 2001 | Dec 25, 2001 |
| № 9716 | S05 | W86 | 01 | 0010 | Alpha | Dec 3, 2001 | Dec 9, 2001 | Dec 23, 2001 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1972, January to 2001, December. Gray background - average solar cycle.
