Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on August 17, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 9135 | S13 | E01 | 14 | 0060 | BETA | Aug 18, 2000 | Aug 25, 2000 | Sep 8, 2000 |
| № 9134 | N07 | E40 | 01 | 0010 | ALPHA | Aug 21, 2000 | Aug 28, 2000 | Sep 10, 2000 |
| № 9133 | S09 | W23 | 03 | 0010 | BETA | Aug 16, 2000 | Aug 23, 2000 | Sep 6, 2000 |
| № 9132 | N21 | E26 | 06 | 0030 | BETA | Aug 20, 2000 | Aug 27, 2000 | Sep 10, 2000 |
| № 9131 | N13 | E33 | 05 | 0070 | BETA | Aug 20, 2000 | Aug 27, 2000 | Sep 10, 2000 |
| № 9129 | S06 | E20 | 08 | 0120 | BETA | Aug 20, 2000 | Aug 26, 2000 | Sep 9, 2000 |
| № 9128 | N10 | E05 | 09 | 0030 | BETA | Aug 18, 2000 | Aug 25, 2000 | Sep 8, 2000 |
| № 9127 | S36 | W43 | 08 | 0130 | BETA | Aug 15, 2000 | Aug 22, 2000 | Sep 5, 2000 |
| № 9125 | N25 | W11 | 37 | 0280 | BETA-GAMMA | Aug 17, 2000 | Aug 24, 2000 | Sep 7, 2000 |
| № 9124 | S11 | W09 | 18 | 0040 | BETA | Aug 17, 2000 | Aug 24, 2000 | Sep 7, 2000 |
| № 9123 | N19 | W34 | 03 | 0010 | BETA | Aug 15, 2000 | Aug 22, 2000 | Sep 5, 2000 |
| № 9122 | N23 | W71 | 01 | 0000 | ALPHA | Aug 13, 2000 | Aug 19, 2000 | Sep 2, 2000 |
| № 9115 | N20 | W92 | 01 | 0030 | ALPHA | Aug 11, 2000 | Aug 18, 2000 | Sep 1, 2000 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1971 to August 2000. The gray background is the average SSN index.
