Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on May 16, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 9004 | N10 | E63 | 04 | 0020 | BETA | May 22, 2000 | May 28, 2000 | Jun 11, 2000 |
| № 9003 | S18 | W38 | 08 | 0050 | BETA | May 14, 2000 | May 21, 2000 | Jun 4, 2000 |
| № 9002 | N18 | E72 | 11 | 0940 | BETA-GAMMA | May 22, 2000 | May 29, 2000 | Jun 12, 2000 |
| № 9000 | N10 | W13 | 02 | 0010 | BETA | May 16, 2000 | May 23, 2000 | Jun 5, 2000 |
| № 8999 | N19 | E44 | 05 | 0040 | BETA | May 20, 2000 | May 27, 2000 | Jun 10, 2000 |
| № 8998 | S14 | E43 | 29 | 0470 | BETA-GAMMA | May 20, 2000 | May 27, 2000 | Jun 10, 2000 |
| № 8997 | S16 | E13 | 05 | 0020 | BETA | May 18, 2000 | May 25, 2000 | Jun 7, 2000 |
| № 8996 | S21 | E33 | 45 | 1280 | BETA-GAMMA | May 19, 2000 | May 26, 2000 | Jun 9, 2000 |
| № 8994 | N10 | W68 | 02 | 0010 | ALPHA | May 12, 2000 | May 19, 2000 | Jun 1, 2000 |
| № 8993 | S21 | W70 | 13 | 0240 | BETA-DELTA | May 11, 2000 | May 18, 2000 | Jun 1, 2000 |
| № 8992 | N09 | W03 | 01 | 0000 | ALPHA | May 17, 2000 | May 23, 2000 | Jun 6, 2000 |
| № 8991 | N17 | W21 | 03 | 0010 | BETA | May 15, 2000 | May 22, 2000 | Jun 5, 2000 |
| № 8990 | N14 | W46 | 23 | 0190 | BETA | May 13, 2000 | May 20, 2000 | Jun 3, 2000 |
| № 8989 | N16 | W65 | 11 | 0230 | BETA | May 12, 2000 | May 19, 2000 | Jun 1, 2000 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1971 to May 2000. The gray background is the average SSN index.
