Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on May 21, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 9014 | S43 | E21 | 01 | 0000 | ALPHA | May 24, 2000 | May 31, 2000 | Jun 15, 2000 |
| № 9013 | S06 | W61 | 04 | 0000 | BETA | May 17, 2000 | May 24, 2000 | Jun 7, 2000 |
| № 9012 | S29 | W36 | 04 | 0010 | BETA | May 19, 2000 | May 26, 2000 | Jun 9, 2000 |
| № 9011 | N17 | E53 | 02 | 0240 | ALPHA | May 26, 2000 | Jun 2, 2000 | Jun 16, 2000 |
| № 9010 | N21 | E42 | 11 | 0090 | BETA | May 25, 2000 | Jun 1, 2000 | Jun 15, 2000 |
| № 9009 | S14 | E42 | 02 | 0030 | ALPHA | May 25, 2000 | Jun 1, 2000 | Jun 15, 2000 |
| № 9004 | N12 | W06 | 14 | 0520 | BETA-DELTA | May 22, 2000 | May 28, 2000 | Jun 11, 2000 |
| № 9002 | N19 | E04 | 49 | 0720 | BETA-GAMMA | May 22, 2000 | May 29, 2000 | Jun 12, 2000 |
| № 8999 | N19 | W22 | 09 | 0020 | BETA | May 20, 2000 | May 27, 2000 | Jun 10, 2000 |
| № 8998 | S12 | W22 | 32 | 0420 | BETA-GAMMA | May 20, 2000 | May 27, 2000 | Jun 10, 2000 |
| № 8996 | S21 | W35 | 44 | 0870 | BETA | May 19, 2000 | May 26, 2000 | Jun 9, 2000 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1971 to May 2000. The gray background is the average SSN index.