Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on May 29, 2001. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 9481 | N17 | W48 | 02 | 0010 | Alpha | May 27, 2001 | Jun 3, 2001 | Jun 16, 2001 |
| № 9480 | S14 | E48 | 02 | 0010 | Alpha | Jun 3, 2001 | Jun 10, 2001 | Jun 23, 2001 |
| № 9479 | N26 | W60 | 03 | 0030 | Beta | May 26, 2001 | Jun 2, 2001 | Jun 16, 2001 |
| № 9478 | N13 | W00 | 02 | 0010 | Beta | May 30, 2001 | Jun 6, 2001 | Jun 20, 2001 |
| № 9477 | S16 | E03 | 05 | 0030 | Beta | May 31, 2001 | Jun 6, 2001 | Jun 20, 2001 |
| № 9476 | S23 | W86 | 01 | 0010 | Alpha | May 24, 2001 | May 31, 2001 | Jun 13, 2001 |
| № 9475 | N17 | E44 | 04 | 0050 | Beta | Jun 3, 2001 | Jun 10, 2001 | Jun 23, 2001 |
| № 9474 | N19 | E25 | 08 | 0060 | Beta | Jun 1, 2001 | Jun 8, 2001 | Jun 22, 2001 |
| № 9472 | N12 | W09 | 02 | 0010 | Alpha | May 30, 2001 | Jun 5, 2001 | Jun 19, 2001 |
| № 9468 | N05 | W33 | 08 | 0100 | Beta | May 28, 2001 | Jun 4, 2001 | Jun 17, 2001 |
| № 9467 | S06 | W43 | 01 | 0060 | Alpha | May 27, 2001 | Jun 3, 2001 | Jun 16, 2001 |
| № 9465 | S09 | W51 | 01 | 0010 | Alpha | May 26, 2001 | Jun 2, 2001 | Jun 16, 2001 |
| № 9463 | N08 | W68 | 10 | 0420 | Beta | May 25, 2001 | Jun 1, 2001 | Jun 15, 2001 |
| № 9462 | N21 | W71 | 01 | 0060 | Alpha | May 25, 2001 | Jun 1, 2001 | Jun 15, 2001 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1972 to May 2001. The gray background is the average SSN index.
