Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on December 15, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 9272 | N12 | E19 | 03 | 0020 | Beta | Dec 17, 2000 | Dec 24, 2000 | Jan 7, 2001 |
| № 9271 | S20 | W28 | 02 | 0010 | Beta | Dec 14, 2000 | Dec 21, 2000 | Jan 4, 2001 |
| № 9269 | N18 | E48 | 03 | 0040 | Beta | Dec 20, 2000 | Dec 27, 2000 | Jan 9, 2001 |
| № 9268 | S15 | E60 | 01 | 0060 | Alpha | Dec 21, 2000 | Dec 27, 2000 | Jan 10, 2001 |
| № 9267 | N07 | W02 | 20 | 0190 | Beta | Dec 16, 2000 | Dec 23, 2000 | Jan 5, 2001 |
| № 9266 | N19 | W53 | 03 | 0030 | Beta | Dec 12, 2000 | Dec 19, 2000 | Jan 2, 2001 |
| № 9265 | N16 | E16 | 03 | 0020 | Beta | Dec 17, 2000 | Dec 24, 2000 | Jan 7, 2001 |
| № 9264 | S24 | E16 | 10 | 0100 | Beta | Dec 17, 2000 | Dec 24, 2000 | Jan 7, 2001 |
| № 9262 | N13 | W10 | 10 | 0040 | Beta | Dec 15, 2000 | Dec 22, 2000 | Jan 5, 2001 |
| № 9257 | N18 | W72 | 02 | 0010 | Beta | Dec 11, 2000 | Dec 17, 2000 | Dec 31, 2000 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1971 to December 2000. The gray background is the average SSN index.
