Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on March 16, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 8913 | S16 | E57 | 05 | 0030 | BETA | Mar 21, 2000 | Mar 28, 2000 | Apr 11, 2000 |
| № 8911 | N12 | W55 | 03 | 0010 | BETA | Mar 13, 2000 | Mar 20, 2000 | Apr 2, 2000 |
| № 8910 | N11 | E31 | 23 | 0250 | BETA | Mar 19, 2000 | Mar 26, 2000 | Apr 9, 2000 |
| № 8909 | S28 | E27 | 03 | 0020 | BETA | Mar 19, 2000 | Mar 26, 2000 | Apr 9, 2000 |
| № 8906 | S16 | W20 | 47 | 0720 | BETA-GAMMA-DELTA | Mar 15, 2000 | Mar 22, 2000 | Apr 5, 2000 |
| № 8903 | S12 | W85 | 01 | 0020 | ALPHA | Mar 11, 2000 | Mar 17, 2000 | Mar 31, 2000 |
| № 8901 | S14 | W60 | 04 | 0020 | BETA | Mar 12, 2000 | Mar 19, 2000 | Apr 2, 2000 |
| № 8898 | S12 | W89 | 01 | 0020 | ALPHA | Mar 10, 2000 | Mar 17, 2000 | Mar 31, 2000 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1971 to March 2000. The gray background is the average SSN index.