Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on December 17, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 9275 | N20 | W30 | 05 | 0030 | Beta | Dec 16, 2000 | Dec 22, 2000 | Jan 5, 2001 |
| № 9273 | N19 | E58 | 05 | 0060 | Beta | Dec 22, 2000 | Dec 29, 2000 | Jan 12, 2001 |
| № 9272 | N12 | W02 | 10 | 0010 | Beta | Dec 18, 2000 | Dec 25, 2000 | Jan 7, 2001 |
| № 9271 | S20 | W52 | 05 | 0030 | Beta | Dec 14, 2000 | Dec 21, 2000 | Jan 4, 2001 |
| № 9269 | N16 | E25 | 13 | 0070 | Beta | Dec 20, 2000 | Dec 27, 2000 | Jan 9, 2001 |
| № 9268 | S18 | E38 | 01 | 0110 | Alpha | Dec 21, 2000 | Dec 28, 2000 | Jan 10, 2001 |
| № 9267 | N07 | W29 | 14 | 0130 | Beta | Dec 16, 2000 | Dec 22, 2000 | Jan 5, 2001 |
| № 9266 | N23 | W73 | 05 | 0090 | Beta | Dec 12, 2000 | Dec 19, 2000 | Jan 2, 2001 |
| № 9265 | N18 | W06 | 05 | 0010 | Beta | Dec 17, 2000 | Dec 24, 2000 | Jan 7, 2001 |
| № 9264 | S25 | W07 | 23 | 0230 | Beta-Gamma | Dec 17, 2000 | Dec 24, 2000 | Jan 7, 2001 |
| № 9262 | N14 | W33 | 07 | 0030 | Beta | 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.
