Active areas
Sunspots and active regions
By the end of the day, the following active regions with sunspots could be observed on the Sun's surface
| Group ID | Location | Number of sunspots | Area (msh) | Type | CM Passage | Disappearance (W90) | Reappearance (W270) | |
|---|---|---|---|---|---|---|---|---|
| № 8953 | S14 | E72 | 02 | 0030 | BETA | Apr 16, 2000 | Apr 23, 2000 | May 7, 2000 |
| № 8952 | S23 | E22 | 01 | 0000 | ALPHA | Apr 13, 2000 | Apr 20, 2000 | May 3, 2000 |
| № 8951 | N12 | E53 | 03 | 0130 | BETA | Apr 15, 2000 | Apr 22, 2000 | May 5, 2000 |
| № 8949 | S20 | E27 | 06 | 0150 | BETA | Apr 13, 2000 | Apr 20, 2000 | May 4, 2000 |
| № 8948 | S15 | E01 | 52 | 0160 | GAMMA-DELTA | Apr 11, 2000 | Apr 18, 2000 | May 2, 2000 |
| № 8945 | S23 | W29 | 02 | 0020 | BETA | Apr 9, 2000 | Apr 16, 2000 | Apr 30, 2000 |
| № 8944 | N08 | W35 | 02 | 0010 | ALPHA | Apr 8, 2000 | Apr 15, 2000 | Apr 29, 2000 |
| № 8939 | N23 | W66 | 01 | 0060 | ALPHA | Apr 6, 2000 | Apr 13, 2000 | Apr 27, 2000 |
| № 8936 | S15 | W74 | 01 | 0070 | ALPHA | Apr 5, 2000 | Apr 12, 2000 | Apr 26, 2000 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1971, January to 2000, April. Gray background - average solar cycle.
