Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on April 2, 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 | E74 | 03 | 0050 | BETA | Apr 8, 2000 | Apr 15, 2000 | Apr 29, 2000 |
| № 8944 | N08 | E72 | 01 | 0050 | ALPHA | Apr 8, 2000 | Apr 15, 2000 | Apr 29, 2000 |
| № 8943 | N23 | E09 | 08 | 0030 | BETA | Apr 4, 2000 | Apr 10, 2000 | Apr 24, 2000 |
| № 8942 | S12 | E08 | 02 | 0020 | ALPHA | Apr 3, 2000 | Apr 10, 2000 | Apr 24, 2000 |
| № 8940 | N14 | E40 | 01 | 0020 | ALPHA | Apr 6, 2000 | Apr 13, 2000 | Apr 26, 2000 |
| № 8939 | N23 | E45 | 08 | 0130 | BETA | Apr 6, 2000 | Apr 13, 2000 | Apr 27, 2000 |
| № 8938 | S06 | E32 | 01 | 0010 | ALPHA | Apr 5, 2000 | Apr 12, 2000 | Apr 26, 2000 |
| № 8936 | S15 | E35 | 30 | 0300 | BETA-GAMMA | Apr 6, 2000 | Apr 12, 2000 | Apr 26, 2000 |
| № 8935 | S07 | W05 | 13 | 0170 | BETA | Apr 2, 2000 | Apr 9, 2000 | Apr 23, 2000 |
| № 8933 | N16 | W28 | 09 | 0060 | BETA | Apr 1, 2000 | Apr 8, 2000 | Apr 21, 2000 |
| № 8932 | S13 | W04 | 07 | 0060 | BETA | Apr 3, 2000 | Apr 9, 2000 | Apr 23, 2000 |
| № 8931 | S13 | W31 | 17 | 0090 | BETA | Apr 1, 2000 | Apr 7, 2000 | Apr 21, 2000 |
| № 8929 | S22 | W36 | 01 | 0000 | ALPHA | Mar 31, 2000 | Apr 7, 2000 | Apr 21, 2000 |
| № 8928 | N20 | W50 | 01 | 0010 | ALPHA | Mar 30, 2000 | Apr 6, 2000 | Apr 20, 2000 |
| № 8925 | S18 | W42 | 11 | 0080 | BETA-GAMMA | Mar 31, 2000 | Apr 7, 2000 | Apr 20, 2000 |
| № 8924 | N10 | W53 | 14 | 0350 | 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.
