Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on March 18, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 8916 | N12 | E74 | 01 | 0070 | ALPHA | Mar 25, 2000 | Mar 31, 2000 | Apr 14, 2000 |
| № 8915 | N23 | E62 | 01 | 0130 | ALPHA | Mar 24, 2000 | Mar 31, 2000 | Apr 14, 2000 |
| № 8913 | S16 | E30 | 11 | 0100 | BETA | Mar 21, 2000 | Mar 28, 2000 | Apr 11, 2000 |
| № 8911 | N08 | W79 | 01 | 0010 | ALPHA | Mar 13, 2000 | Mar 20, 2000 | Apr 2, 2000 |
| № 8910 | N11 | E05 | 34 | 0250 | BETA | Mar 19, 2000 | Mar 26, 2000 | Apr 9, 2000 |
| № 8909 | S29 | E01 | 03 | 0020 | BETA | Mar 19, 2000 | Mar 26, 2000 | Apr 9, 2000 |
| № 8906 | S16 | W49 | 20 | 0610 | BETA | Mar 15, 2000 | Mar 22, 2000 | Apr 5, 2000 |
| № 8901 | S15 | W86 | 01 | 0000 | ALPHA | Mar 12, 2000 | Mar 19, 2000 | Apr 2, 2000 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1971 to March 2000. The gray background is the average SSN index.
