Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on June 4, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 9488 | S18 | E63 | 06 | 0280 | Beta | Jun 10, 2001 | Jun 17, 2001 | Jun 30, 2001 |
| № 9487 | N19 | E62 | 04 | 0340 | Beta | Jun 10, 2001 | Jun 16, 2001 | Jun 30, 2001 |
| № 9486 | N28 | W20 | 09 | 0070 | Beta | Jun 3, 2001 | Jun 10, 2001 | Jun 24, 2001 |
| № 9485 | S23 | E48 | 01 | 0030 | Alpha | Jun 9, 2001 | Jun 15, 2001 | Jun 29, 2001 |
| № 9484 | S06 | E10 | 20 | 0110 | Beta-Gamma | Jun 6, 2001 | Jun 12, 2001 | Jun 26, 2001 |
| № 9483 | S22 | W82 | 02 | 0020 | Beta | May 30, 2001 | Jun 5, 2001 | Jun 19, 2001 |
| № 9482 | S16 | W02 | 01 | 0010 | Alpha | Jun 5, 2001 | Jun 12, 2001 | Jun 25, 2001 |
| № 9475 | N19 | W27 | 09 | 0070 | Beta | Jun 3, 2001 | Jun 10, 2001 | Jun 23, 2001 |
| № 9474 | N22 | W49 | 01 | 0010 | Alpha | Jun 1, 2001 | Jun 8, 2001 | Jun 22, 2001 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1972 to June 2001. The gray background is the average SSN index.