Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on December 13, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 9267 | N08 | E25 | 10 | 0100 | Beta | Dec 16, 2000 | Dec 23, 2000 | Jan 5, 2001 |
| № 9266 | N23 | W24 | 02 | 0020 | Beta | Dec 12, 2000 | Dec 19, 2000 | Jan 2, 2001 |
| № 9265 | N20 | E43 | 01 | 0020 | Alpha | Dec 17, 2000 | Dec 24, 2000 | Jan 7, 2001 |
| № 9264 | S24 | E42 | 05 | 0060 | Beta | Dec 17, 2000 | Dec 24, 2000 | Jan 7, 2001 |
| № 9262 | N14 | E18 | 15 | 0100 | Beta | Dec 15, 2000 | Dec 22, 2000 | Jan 5, 2001 |
| № 9254 | N09 | W58 | 02 | 0020 | Alpha | Dec 10, 2000 | Dec 16, 2000 | Dec 30, 2000 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1971 to December 2000. The gray background is the average SSN index.
