Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on February 20, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 8879 | N22 | E51 | 01 | 0200 | ALPHA | Feb 25, 2000 | Mar 3, 2000 | Mar 17, 2000 |
| № 8878 | S25 | W83 | 01 | 0000 | ALPHA | Feb 14, 2000 | Feb 21, 2000 | Mar 6, 2000 |
| № 8876 | S12 | E08 | 04 | 0020 | BETA | Feb 21, 2000 | Feb 28, 2000 | Mar 13, 2000 |
| № 8875 | S21 | E01 | 02 | 0000 | BETA | Feb 21, 2000 | Feb 28, 2000 | Mar 13, 2000 |
| № 8872 | S31 | W20 | 03 | 0000 | ALPHA | Feb 19, 2000 | Feb 26, 2000 | Mar 12, 2000 |
| № 8870 | N18 | W38 | 01 | 0070 | ALPHA | Feb 18, 2000 | Feb 25, 2000 | Mar 10, 2000 |
| № 8869 | S20 | W47 | 44 | 0300 | 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.
