Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on December 20, 2000. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 9280 | N10 | E74 | 05 | 0260 | Beta | Dec 26, 2000 | Jan 2, 2001 | Jan 16, 2001 |
| № 9279 | S11 | E56 | 10 | 0190 | Beta | Dec 25, 2000 | Jan 1, 2001 | Jan 14, 2001 |
| № 9278 | N09 | E39 | 17 | 0090 | Beta | Dec 24, 2000 | Dec 31, 2000 | Jan 13, 2001 |
| № 9277 | N16 | W87 | 01 | 0000 | Alpha | Dec 14, 2000 | Dec 21, 2000 | Jan 4, 2001 |
| № 9273 | N20 | E22 | 05 | 0010 | Beta | Dec 23, 2000 | Dec 29, 2000 | Jan 12, 2001 |
| № 9269 | N13 | W16 | 07 | 0030 | Beta | Dec 20, 2000 | Dec 26, 2000 | Jan 9, 2001 |
| № 9268 | S18 | W02 | 01 | 0090 | Alpha | Dec 21, 2000 | Dec 28, 2000 | Jan 10, 2001 |
| № 9267 | N07 | W70 | 03 | 0110 | Beta | Dec 16, 2000 | Dec 22, 2000 | Jan 5, 2001 |
| № 9264 | S25 | W47 | 13 | 0120 | Beta | Dec 17, 2000 | Dec 24, 2000 | Jan 7, 2001 |
| № 9262 | N16 | W72 | 01 | 0000 | Alpha | Dec 15, 2000 | Dec 22, 2000 | Jan 5, 2001 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1971 to December 2000. The gray background is the average SSN index.
