Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on April 5, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 8948 | S15 | E71 | 04 | 0110 | BETA | Apr 11, 2000 | Apr 18, 2000 | May 2, 2000 |
| № 8945 | S18 | E34 | 02 | 0040 | BETA | Apr 9, 2000 | Apr 15, 2000 | Apr 29, 2000 |
| № 8944 | N11 | E32 | 01 | 0050 | ALPHA | Apr 8, 2000 | Apr 15, 2000 | Apr 29, 2000 |
| № 8943 | N22 | W31 | 04 | 0060 | BETA | Apr 4, 2000 | Apr 10, 2000 | Apr 24, 2000 |
| № 8942 | S10 | W37 | 01 | 0010 | ALPHA | Apr 3, 2000 | Apr 10, 2000 | Apr 24, 2000 |
| № 8940 | N13 | E01 | 02 | 0010 | ALPHA | Apr 6, 2000 | Apr 13, 2000 | Apr 26, 2000 |
| № 8939 | N23 | E02 | 07 | 0050 | BETA | Apr 6, 2000 | Apr 13, 2000 | Apr 27, 2000 |
| № 8936 | S16 | W06 | 20 | 0320 | BETA-GAMMA | Apr 5, 2000 | Apr 12, 2000 | Apr 26, 2000 |
| № 8935 | S07 | W47 | 01 | 0020 | ALPHA | Apr 2, 2000 | Apr 9, 2000 | Apr 23, 2000 |
| № 8933 | N17 | W69 | 10 | 0420 | BETA | Apr 1, 2000 | Apr 8, 2000 | Apr 21, 2000 |
| № 8932 | S13 | W45 | 07 | 0030 | BETA | Apr 3, 2000 | Apr 9, 2000 | Apr 23, 2000 |
| № 8931 | S14 | W71 | 05 | 0060 | BETA | Apr 1, 2000 | Apr 7, 2000 | Apr 21, 2000 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1971 to April 2000. The gray background is the average SSN index.
