Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on April 24, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 8975 | S25 | E50 | 01 | 0000 | ALPHA | Apr 29, 2000 | May 6, 2000 | May 20, 2000 |
| № 8974 | S21 | W36 | 01 | 0000 | ALPHA | Apr 22, 2000 | Apr 29, 2000 | May 13, 2000 |
| № 8973 | N20 | W26 | 07 | 0070 | BETA | Apr 23, 2000 | Apr 30, 2000 | May 14, 2000 |
| № 8972 | N34 | W21 | 16 | 0200 | BETA | Apr 23, 2000 | May 1, 2000 | May 15, 2000 |
| № 8971 | N18 | E41 | 16 | 0860 | BETA-GAMMA | Apr 28, 2000 | May 5, 2000 | May 19, 2000 |
| № 8970 | S15 | E43 | 31 | 1210 | BETA-DELTA | Apr 28, 2000 | May 5, 2000 | May 19, 2000 |
| № 8969 | N12 | E20 | 02 | 0020 | ALPHA | Apr 27, 2000 | May 3, 2000 | May 17, 2000 |
| № 8968 | S13 | W26 | 08 | 0170 | BETA | Apr 23, 2000 | Apr 30, 2000 | May 13, 2000 |
| № 8967 | N22 | E09 | 13 | 0180 | BETA | Apr 26, 2000 | May 3, 2000 | May 16, 2000 |
| № 8966 | S13 | W01 | 03 | 0000 | BETA | Apr 25, 2000 | May 2, 2000 | May 15, 2000 |
| № 8965 | S16 | W13 | 09 | 0080 | BETA | Apr 24, 2000 | May 1, 2000 | May 15, 2000 |
| № 8963 | N17 | W57 | 02 | 0020 | BETA | Apr 21, 2000 | Apr 28, 2000 | May 11, 2000 |
| № 8962 | N24 | W53 | 01 | 0020 | ALPHA | Apr 21, 2000 | Apr 28, 2000 | May 12, 2000 |
| № 8955 | S20 | W84 | 02 | 0030 | BETA | Apr 19, 2000 | Apr 25, 2000 | May 9, 2000 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1971 to April 2000. The gray background is the average SSN index.
