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) | |
|---|---|---|---|---|---|---|---|---|
| № 8974 | S12 | W63 | 01 | 0000 | ALPHA | Apr 22, 2000 | Apr 29, 2000 | May 13, 2000 |
| № 8973 | N22 | W52 | 10 | 0130 | BETA | Apr 23, 2000 | Apr 30, 2000 | May 14, 2000 |
| № 8972 | N34 | W47 | 11 | 0240 | BETA | Apr 23, 2000 | Apr 30, 2000 | May 15, 2000 |
| № 8971 | N18 | E16 | 24 | 0830 | BETA | Apr 28, 2000 | May 5, 2000 | May 19, 2000 |
| № 8970 | S15 | E18 | 41 | 1080 | BETA-GAMMA | Apr 28, 2000 | May 5, 2000 | May 19, 2000 |
| № 8969 | N12 | W06 | 01 | 0000 | ALPHA | Apr 27, 2000 | May 3, 2000 | May 17, 2000 |
| № 8968 | S13 | W52 | 06 | 0070 | BETA | Apr 23, 2000 | Apr 30, 2000 | May 13, 2000 |
| № 8967 | N23 | W16 | 14 | 0130 | BETA | Apr 26, 2000 | May 3, 2000 | May 17, 2000 |
| № 8966 | S12 | W29 | 02 | 0000 | BETA | Apr 25, 2000 | May 2, 2000 | May 15, 2000 |
| № 8965 | S16 | W39 | 08 | 0040 | BETA | Apr 24, 2000 | May 1, 2000 | May 15, 2000 |
| № 8962 | N25 | W78 | 01 | 0000 | ALPHA | Apr 21, 2000 | Apr 28, 2000 | May 12, 2000 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1971, January to 2000, April. Gray background - average solar cycle.
