Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on December 21, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 9281 | N07 | E41 | 03 | 0020 | Beta | Dec 25, 2000 | Jan 1, 2001 | Jan 14, 2001 |
| № 9280 | N08 | E63 | 14 | 0510 | Beta | Dec 27, 2000 | Jan 2, 2001 | Jan 16, 2001 |
| № 9279 | S13 | E43 | 08 | 0170 | Beta | Dec 25, 2000 | Jan 1, 2001 | Jan 15, 2001 |
| № 9278 | N09 | E25 | 22 | 0090 | Beta | Dec 24, 2000 | Dec 31, 2000 | Jan 13, 2001 |
| № 9273 | N20 | E09 | 06 | 0010 | Beta | Dec 23, 2000 | Dec 29, 2000 | Jan 12, 2001 |
| № 9272 | N14 | W57 | 01 | 0000 | Alpha | Dec 18, 2000 | Dec 24, 2000 | Jan 7, 2001 |
| № 9269 | N14 | W24 | 06 | 0030 | Beta | Dec 20, 2000 | Dec 27, 2000 | Jan 9, 2001 |
| № 9268 | S18 | W14 | 01 | 0090 | Alpha | Dec 21, 2000 | Dec 28, 2000 | Jan 10, 2001 |
| № 9267 | N07 | W86 | 01 | 0110 | Alpha | Dec 15, 2000 | Dec 22, 2000 | Jan 5, 2001 |
| № 9264 | S25 | W60 | 10 | 0070 | Beta | Dec 17, 2000 | Dec 24, 2000 | Jan 7, 2001 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1971 to December 2000. The gray background is the average SSN index.
