Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on March 31, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 8941 | N25 | E54 | 01 | 0000 | ALPHA | Apr 5, 2000 | Apr 12, 2000 | Apr 26, 2000 |
| № 8940 | N13 | E65 | 01 | 0010 | ALPHA | Apr 6, 2000 | Apr 13, 2000 | Apr 26, 2000 |
| № 8939 | N22 | E72 | 01 | 0030 | ALPHA | Apr 7, 2000 | Apr 13, 2000 | Apr 27, 2000 |
| № 8938 | S07 | E56 | 04 | 0030 | BETA | Apr 5, 2000 | Apr 12, 2000 | Apr 26, 2000 |
| № 8936 | S16 | E58 | 10 | 0140 | BETA | Apr 5, 2000 | Apr 12, 2000 | Apr 26, 2000 |
| № 8935 | S07 | E20 | 09 | 0050 | BETA | Apr 3, 2000 | Apr 9, 2000 | Apr 23, 2000 |
| № 8934 | N21 | E11 | 01 | 0010 | ALPHA | Apr 2, 2000 | Apr 9, 2000 | Apr 23, 2000 |
| № 8933 | N16 | W06 | 05 | 0020 | BETA | Apr 1, 2000 | Apr 7, 2000 | Apr 21, 2000 |
| № 8932 | S15 | E18 | 01 | 0070 | ALPHA | Apr 2, 2000 | Apr 9, 2000 | Apr 23, 2000 |
| № 8931 | S14 | W06 | 09 | 0060 | BETA | Apr 1, 2000 | Apr 7, 2000 | Apr 21, 2000 |
| № 8928 | N19 | W22 | 01 | 0020 | ALPHA | Mar 30, 2000 | Apr 6, 2000 | Apr 20, 2000 |
| № 8925 | S18 | W20 | 21 | 0160 | BETA-GAMMA | Mar 30, 2000 | Apr 6, 2000 | Apr 20, 2000 |
| № 8924 | N10 | W28 | 16 | 0300 | BETA-GAMMA | Mar 30, 2000 | Apr 6, 2000 | Apr 19, 2000 |
| № 8921 | S17 | W56 | 05 | 0010 | BETA | Mar 28, 2000 | Apr 4, 2000 | Apr 17, 2000 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1971 to March 2000. The gray background is the average SSN index.
