Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on February 11, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 8870 | N20 | E77 | 01 | 0060 | ALPHA | Feb 18, 2000 | Feb 25, 2000 | Mar 10, 2000 |
| № 8869 | S25 | E70 | 01 | 0020 | ALPHA | Feb 17, 2000 | Feb 24, 2000 | Mar 9, 2000 |
| № 8868 | S23 | E21 | 11 | 0040 | BETA | Feb 14, 2000 | Feb 21, 2000 | Mar 5, 2000 |
| № 8867 | S15 | E19 | 03 | 0000 | BETA | Feb 13, 2000 | Feb 20, 2000 | Mar 5, 2000 |
| № 8864 | N44 | W38 | 03 | 0020 | BETA | Feb 9, 2000 | Feb 16, 2000 | Mar 3, 2000 |
| № 8863 | S15 | E44 | 01 | 0000 | ALPHA | Feb 15, 2000 | Feb 22, 2000 | Mar 7, 2000 |
| № 8862 | S06 | E21 | 01 | 0140 | ALPHA | Feb 14, 2000 | Feb 20, 2000 | Mar 5, 2000 |
| № 8861 | N08 | W78 | 07 | 0320 | BETA | Feb 6, 2000 | Feb 13, 2000 | Feb 26, 2000 |
| № 8858 | N27 | W10 | 12 | 0050 | BETA | Feb 11, 2000 | Feb 18, 2000 | Mar 3, 2000 |
| № 8856 | S13 | W19 | 07 | 0060 | BETA | Feb 11, 2000 | Feb 17, 2000 | Mar 2, 2000 |
| № 8855 | N17 | W55 | 01 | 0000 | ALPHA | Feb 8, 2000 | Feb 15, 2000 | Feb 28, 2000 |
| № 8854 | S34 | W31 | 04 | 0020 | BETA | Feb 10, 2000 | Feb 17, 2000 | Mar 2, 2000 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1971 to February 2000. The gray background is the average SSN index.
