Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on December 23, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 9283 | S15 | E81 | 01 | 0120 | Alpha | Dec 30, 2000 | Jan 6, 2001 | Jan 19, 2001 |
| № 9282 | N19 | E56 | 01 | 0040 | Alpha | Dec 28, 2000 | Jan 4, 2001 | Jan 18, 2001 |
| № 9281 | N06 | E08 | 05 | 0020 | Beta | Dec 24, 2000 | Dec 31, 2000 | Jan 14, 2001 |
| № 9280 | N09 | E37 | 25 | 0540 | Beta-Gamma | Dec 27, 2000 | Jan 2, 2001 | Jan 16, 2001 |
| № 9279 | S13 | E13 | 09 | 0110 | Beta | Dec 25, 2000 | Jan 1, 2001 | Jan 14, 2001 |
| № 9278 | N09 | W03 | 12 | 0070 | Beta | Dec 24, 2000 | Dec 30, 2000 | Jan 13, 2001 |
| № 9273 | N20 | W18 | 02 | 0000 | Alpha | Dec 22, 2000 | Dec 29, 2000 | Jan 12, 2001 |
| № 9269 | N15 | W51 | 04 | 0010 | Alpha | Dec 20, 2000 | Dec 27, 2000 | Jan 9, 2001 |
| № 9268 | S18 | W41 | 04 | 0080 | Beta | Dec 21, 2000 | Dec 28, 2000 | Jan 10, 2001 |
| № 9264 | S26 | W81 | 01 | 0030 | Alpha | Dec 18, 2000 | Dec 25, 2000 | Jan 8, 2001 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1971 to December 2000. The gray background is the average SSN index.
