Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on March 15, 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 | S14 | E68 | 01 | 0000 | ALPHA | Mar 21, 2000 | Mar 28, 2000 | Apr 10, 2000 |
| № 8912 | N15 | W00 | 01 | 0000 | ALPHA | Mar 16, 2000 | Mar 23, 2000 | Apr 5, 2000 |
| № 8911 | N11 | W41 | 02 | 0020 | BETA | Mar 13, 2000 | Mar 20, 2000 | Apr 2, 2000 |
| № 8910 | N10 | E45 | 10 | 0250 | BETA | Mar 19, 2000 | Mar 26, 2000 | Apr 9, 2000 |
| № 8909 | S28 | E42 | 04 | 0050 | BETA | Mar 19, 2000 | Mar 26, 2000 | Apr 9, 2000 |
| № 8908 | S23 | E10 | 02 | 0000 | BETA | Mar 17, 2000 | Mar 24, 2000 | Apr 6, 2000 |
| № 8906 | S16 | W07 | 38 | 0900 | BETA-DELTA | Mar 15, 2000 | Mar 22, 2000 | Apr 5, 2000 |
| № 8904 | N24 | W81 | 04 | 0160 | BETA | Mar 10, 2000 | Mar 17, 2000 | Mar 30, 2000 |
| № 8903 | S12 | W69 | 03 | 0030 | BETA | Mar 11, 2000 | Mar 17, 2000 | Mar 31, 2000 |
| № 8902 | S17 | W28 | 01 | 0000 | ALPHA | Mar 14, 2000 | Mar 21, 2000 | Apr 3, 2000 |
| № 8901 | S13 | W47 | 03 | 0020 | BETA | Mar 12, 2000 | Mar 19, 2000 | Apr 2, 2000 |
| № 8898 | S13 | W81 | 04 | 0160 | BETA | Mar 10, 2000 | Mar 17, 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.
