Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on February 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) | |
|---|---|---|---|---|---|---|---|---|
| № 8880 | S08 | W69 | 03 | 0010 | BETA | Feb 17, 2000 | Feb 24, 2000 | Mar 8, 2000 |
| № 8879 | N22 | E37 | 01 | 0240 | ALPHA | Feb 25, 2000 | Mar 3, 2000 | Mar 17, 2000 |
| № 8876 | S11 | W04 | 03 | 0010 | BETA | Feb 22, 2000 | Feb 28, 2000 | Mar 13, 2000 |
| № 8875 | S22 | W13 | 11 | 0050 | BETA | Feb 21, 2000 | Feb 28, 2000 | Mar 13, 2000 |
| № 8872 | S31 | W34 | 01 | 0000 | ALPHA | Feb 19, 2000 | Feb 26, 2000 | Mar 12, 2000 |
| № 8870 | N18 | W52 | 01 | 0050 | ALPHA | Feb 18, 2000 | Feb 25, 2000 | Mar 10, 2000 |
| № 8869 | S20 | W61 | 41 | 0480 | BETA-GAMMA | Feb 17, 2000 | Feb 24, 2000 | Mar 9, 2000 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1971 to February 2000. The gray background is the average SSN index.
