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) | |
|---|---|---|---|---|---|---|---|---|
| № 9728 | N36 | W07 | 03 | 0020 | Beta | Dec 5, 2001 | Dec 13, 2001 | Dec 27, 2001 |
| № 9727 | S22 | E57 | 04 | 0220 | Beta | Dec 10, 2001 | Dec 17, 2001 | Dec 31, 2001 |
| № 9726 | S16 | E42 | 04 | 0060 | Beta | Dec 9, 2001 | Dec 16, 2001 | Dec 30, 2001 |
| № 9725 | S10 | W72 | 06 | 0050 | Beta | Dec 1, 2001 | Dec 7, 2001 | Dec 21, 2001 |
| № 9724 | N10 | E33 | 03 | 0050 | Beta | Dec 8, 2001 | Dec 15, 2001 | Dec 29, 2001 |
| № 9723 | S05 | E03 | 05 | 0040 | Beta | Dec 6, 2001 | Dec 13, 2001 | Dec 27, 2001 |
| № 9721 | N12 | E02 | 03 | 0200 | Beta | Dec 6, 2001 | Dec 13, 2001 | Dec 27, 2001 |
| № 9720 | S20 | W08 | 06 | 0040 | Beta | Dec 5, 2001 | Dec 12, 2001 | Dec 26, 2001 |
| № 9718 | S06 | W09 | 27 | 0660 | Beta-Gamma | Dec 5, 2001 | Dec 12, 2001 | Dec 26, 2001 |
| № 9717 | N04 | W13 | 06 | 0170 | Beta | Dec 5, 2001 | Dec 12, 2001 | Dec 25, 2001 |
| № 9716 | S06 | W49 | 11 | 0080 | Beta-Gamma | Dec 2, 2001 | Dec 9, 2001 | Dec 23, 2001 |
| № 9715 | N05 | W63 | 16 | 0550 | Beta-Gamma | Dec 1, 2001 | Dec 8, 2001 | Dec 22, 2001 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1972, January to 2001, December. Gray background - average solar cycle.
