Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on June 18, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 9508 | S20 | W70 | 01 | 0010 | Alpha | Jun 13, 2001 | Jun 20, 2001 | Jul 4, 2001 |
| № 9507 | N12 | E01 | 04 | 0020 | Beta | Jun 19, 2001 | Jun 26, 2001 | Jul 9, 2001 |
| № 9506 | N17 | E50 | 24 | 0460 | Beta | Jun 23, 2001 | Jun 30, 2001 | Jul 13, 2001 |
| № 9505 | N21 | E34 | 03 | 0050 | Beta | Jun 21, 2001 | Jun 28, 2001 | Jul 12, 2001 |
| № 9504 | N08 | E26 | 05 | 0370 | Beta | Jun 21, 2001 | Jun 28, 2001 | Jul 11, 2001 |
| № 9503 | N14 | E22 | 39 | 0520 | Beta-Gamma | Jun 21, 2001 | Jun 27, 2001 | Jul 11, 2001 |
| № 9502 | S25 | E07 | 14 | 0090 | Beta | Jun 19, 2001 | Jun 26, 2001 | Jul 10, 2001 |
| № 9501 | S13 | W09 | 16 | 0090 | Beta | Jun 18, 2001 | Jun 25, 2001 | Jul 9, 2001 |
| № 9500 | N10 | W07 | 09 | 0050 | Beta | Jun 18, 2001 | Jun 25, 2001 | Jul 9, 2001 |
| № 9499 | N20 | W69 | 01 | 0030 | Alpha | Jun 14, 2001 | Jun 20, 2001 | Jul 4, 2001 |
| № 9498 | N23 | W35 | 02 | 0030 | Alpha | Jun 16, 2001 | Jun 23, 2001 | Jul 7, 2001 |
| № 9497 | S09 | W65 | 01 | 0000 | Alpha | Jun 14, 2001 | Jun 21, 2001 | Jul 4, 2001 |
| № 9495 | N05 | W84 | 06 | 0190 | Beta | Jun 13, 2001 | Jun 19, 2001 | Jul 3, 2001 |
| № 9493 | N07 | W75 | 01 | 0080 | Alpha | Jun 13, 2001 | Jun 20, 2001 | Jul 4, 2001 |
| № 9492 | N23 | W82 | 01 | 0020 | Alpha | Jun 13, 2001 | Jun 19, 2001 | Jul 3, 2001 |
| № 9491 | N27 | W77 | 02 | 0100 | Alpha | Jun 13, 2001 | Jun 20, 2001 | Jul 4, 2001 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1972 to June 2001. The gray background is the average SSN index.
