Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on April 3, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 8945 | S17 | E61 | 06 | 0100 | BETA | Apr 8, 2000 | Apr 15, 2000 | Apr 29, 2000 |
| № 8944 | N09 | E60 | 01 | 0090 | ALPHA | Apr 8, 2000 | Apr 15, 2000 | Apr 29, 2000 |
| № 8943 | N23 | W04 | 11 | 0080 | BETA | Apr 4, 2000 | Apr 10, 2000 | Apr 24, 2000 |
| № 8942 | S12 | W06 | 10 | 0050 | BETA | Apr 3, 2000 | Apr 10, 2000 | Apr 24, 2000 |
| № 8940 | N14 | E27 | 01 | 0020 | ALPHA | Apr 6, 2000 | Apr 13, 2000 | Apr 26, 2000 |
| № 8939 | N23 | E31 | 09 | 0120 | BETA | Apr 6, 2000 | Apr 13, 2000 | Apr 27, 2000 |
| № 8938 | S04 | E19 | 03 | 0020 | ALPHA | Apr 5, 2000 | Apr 12, 2000 | Apr 26, 2000 |
| № 8936 | S15 | E23 | 36 | 0360 | BETA-GAMMA | Apr 6, 2000 | Apr 12, 2000 | Apr 26, 2000 |
| № 8935 | S07 | W18 | 13 | 0120 | BETA | Apr 2, 2000 | Apr 9, 2000 | Apr 23, 2000 |
| № 8933 | N17 | W42 | 17 | 0110 | BETA | Apr 1, 2000 | Apr 8, 2000 | Apr 21, 2000 |
| № 8932 | S12 | W17 | 11 | 0100 | BETA | Apr 3, 2000 | Apr 9, 2000 | Apr 23, 2000 |
| № 8931 | S14 | W44 | 17 | 0140 | BETA | Apr 1, 2000 | Apr 7, 2000 | Apr 21, 2000 |
| № 8928 | N21 | W62 | 01 | 0020 | ALPHA | Mar 30, 2000 | Apr 6, 2000 | Apr 20, 2000 |
| № 8925 | S18 | W54 | 04 | 0040 | BETA | Mar 31, 2000 | Apr 7, 2000 | Apr 20, 2000 |
| № 8924 | N11 | W67 | 11 | 0330 | BETA-GAMMA | Mar 30, 2000 | Apr 6, 2000 | Apr 19, 2000 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1971 to April 2000. The gray background is the average SSN index.
