Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on March 12, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 8909 | S29 | E76 | 01 | 0030 | ALPHA | Mar 19, 2000 | Mar 26, 2000 | Apr 9, 2000 |
| № 8908 | S19 | E45 | 03 | 0040 | BETA | Mar 16, 2000 | Mar 23, 2000 | Apr 6, 2000 |
| № 8907 | S18 | W20 | 05 | 0020 | BETA | Mar 11, 2000 | Mar 18, 2000 | Apr 1, 2000 |
| № 8906 | S16 | E31 | 22 | 0800 | BETA-DELTA | Mar 15, 2000 | Mar 22, 2000 | Apr 5, 2000 |
| № 8904 | N24 | W45 | 18 | 0130 | BETA | Mar 10, 2000 | Mar 16, 2000 | Mar 30, 2000 |
| № 8903 | S12 | W31 | 06 | 0040 | BETA | Mar 11, 2000 | Mar 17, 2000 | Mar 31, 2000 |
| № 8902 | S17 | E10 | 01 | 0020 | ALPHA | Mar 14, 2000 | Mar 21, 2000 | Apr 3, 2000 |
| № 8901 | S12 | W13 | 01 | 0010 | ALPHA | Mar 12, 2000 | Mar 19, 2000 | Apr 1, 2000 |
| № 8900 | S17 | W74 | 04 | 0060 | BETA | Mar 7, 2000 | Mar 14, 2000 | Mar 28, 2000 |
| № 8898 | S13 | W45 | 17 | 0370 | BETA | Mar 10, 2000 | Mar 16, 2000 | Mar 30, 2000 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1971 to March 2000. The gray background is the average SSN index.
