Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on February 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) | |
|---|---|---|---|---|---|---|---|---|
| № 8884 | S11 | W72 | 03 | 0020 | BETA | Feb 18, 2000 | Feb 25, 2000 | Mar 10, 2000 |
| № 8883 | N13 | E62 | 01 | 0020 | ALPHA | Feb 29, 2000 | Mar 6, 2000 | Mar 20, 2000 |
| № 8882 | S15 | E60 | 07 | 0180 | BETA | Feb 28, 2000 | Mar 6, 2000 | Mar 20, 2000 |
| № 8881 | N19 | E42 | 04 | 0020 | BETA | Feb 27, 2000 | Mar 5, 2000 | Mar 19, 2000 |
| № 8879 | N22 | E13 | 01 | 0230 | ALPHA | Feb 25, 2000 | Mar 3, 2000 | Mar 17, 2000 |
| № 8875 | S23 | W39 | 15 | 0140 | BETA | Feb 21, 2000 | Feb 28, 2000 | Mar 13, 2000 |
| № 8870 | N18 | W75 | 01 | 0030 | ALPHA | Feb 18, 2000 | Feb 25, 2000 | Mar 10, 2000 |
| № 8869 | S20 | W84 | 17 | 0410 | BETA | 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.
