Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on May 9, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 8991 | N16 | E71 | 02 | 0020 | ALPHA | May 15, 2000 | May 22, 2000 | Jun 5, 2000 |
| № 8990 | N14 | E48 | 08 | 0050 | BETA | May 14, 2000 | May 20, 2000 | Jun 3, 2000 |
| № 8989 | N16 | E25 | 09 | 0070 | BETA | May 12, 2000 | May 19, 2000 | Jun 1, 2000 |
| № 8987 | N12 | W03 | 04 | 0010 | BETA | May 10, 2000 | May 17, 2000 | May 30, 2000 |
| № 8986 | S23 | E21 | 11 | 0020 | BETA | May 12, 2000 | May 19, 2000 | Jun 1, 2000 |
| № 8984 | S13 | W28 | 04 | 0000 | BETA | May 8, 2000 | May 15, 2000 | May 28, 2000 |
| № 8983 | N25 | E06 | 08 | 0020 | BETA | May 10, 2000 | May 17, 2000 | May 31, 2000 |
| № 8980 | S15 | W61 | 05 | 0010 | BETA | May 5, 2000 | May 12, 2000 | May 26, 2000 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1971 to May 2000. The gray background is the average SSN index.
