Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on March 4, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 8899 | S11 | E35 | 04 | 0010 | BETA | Mar 7, 2000 | Mar 14, 2000 | Mar 28, 2000 |
| № 8898 | S16 | E62 | 03 | 0030 | BETA | Mar 10, 2000 | Mar 16, 2000 | Mar 30, 2000 |
| № 8897 | S35 | W36 | 05 | 0030 | BETA | Mar 2, 2000 | Mar 9, 2000 | Mar 24, 2000 |
| № 8896 | N19 | E28 | 12 | 0040 | BETA | Mar 7, 2000 | Mar 14, 2000 | Mar 28, 2000 |
| № 8892 | N06 | W10 | 02 | 0010 | ALPHA | Mar 4, 2000 | Mar 11, 2000 | Mar 24, 2000 |
| № 8891 | S15 | W15 | 33 | 0830 | BETA-GAMMA | Mar 4, 2000 | Mar 11, 2000 | Mar 24, 2000 |
| № 8889 | N20 | W31 | 10 | 0190 | BETA | Mar 2, 2000 | Mar 9, 2000 | Mar 23, 2000 |
| № 8886 | S12 | W85 | 01 | 0030 | ALPHA | Feb 27, 2000 | Mar 5, 2000 | Mar 19, 2000 |
| № 8883 | N12 | W72 | 02 | 0020 | ALPHA | Feb 28, 2000 | Mar 6, 2000 | Mar 20, 2000 |
| № 8882 | S16 | W69 | 17 | 0850 | BETA-GAMMA | Feb 29, 2000 | Mar 6, 2000 | Mar 20, 2000 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1971 to March 2000. The gray background is the average SSN index.
