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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on May 13, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 8998 | S14 | E77 | 02 | 0060 | BETA | May 20, 2000 | May 26, 2000 | Jun 9, 2000 |
| № 8997 | S17 | E54 | 01 | 0020 | ALPHA | May 18, 2000 | May 25, 2000 | Jun 7, 2000 |
| № 8996 | S21 | E71 | 10 | 0520 | BETA | May 19, 2000 | May 26, 2000 | Jun 9, 2000 |
| № 8994 | N08 | W26 | 02 | 0000 | BETA | May 12, 2000 | May 19, 2000 | Jun 1, 2000 |
| № 8993 | S23 | W27 | 22 | 0160 | BETA | May 12, 2000 | May 19, 2000 | Jun 1, 2000 |
| № 8992 | N10 | E38 | 03 | 0040 | ALPHA | May 17, 2000 | May 23, 2000 | Jun 6, 2000 |
| № 8991 | N15 | E24 | 09 | 0060 | BETA | May 16, 2000 | May 22, 2000 | Jun 5, 2000 |
| № 8990 | N15 | W04 | 32 | 0300 | BETA | May 13, 2000 | May 20, 2000 | Jun 3, 2000 |
| № 8989 | N17 | W24 | 17 | 0340 | BETA | May 12, 2000 | May 19, 2000 | Jun 1, 2000 |
| № 8987 | N11 | W58 | 01 | 0000 | ALPHA | May 9, 2000 | May 16, 2000 | May 30, 2000 |
| № 8983 | N26 | W44 | 02 | 0000 | ALPHA | May 10, 2000 | May 17, 2000 | May 31, 2000 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1971 to May 2000. The gray background is the average SSN index.
