Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on June 20, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 9509 | S11 | W02 | 08 | 0030 | Beta | Jun 21, 2001 | Jun 27, 2001 | Jul 11, 2001 |
| № 9506 | N19 | E23 | 35 | 0360 | Beta-Gamma | Jun 23, 2001 | Jun 29, 2001 | Jul 13, 2001 |
| № 9505 | N22 | E07 | 03 | 0030 | Beta | Jun 21, 2001 | Jun 28, 2001 | Jul 12, 2001 |
| № 9504 | N08 | W00 | 08 | 0390 | Beta | Jun 21, 2001 | Jun 28, 2001 | Jul 11, 2001 |
| № 9503 | N16 | W04 | 56 | 0550 | Beta-Gamma | Jun 21, 2001 | Jun 27, 2001 | Jul 11, 2001 |
| № 9502 | S26 | W19 | 07 | 0020 | Beta | Jun 19, 2001 | Jun 26, 2001 | Jul 10, 2001 |
| № 9501 | S13 | W36 | 09 | 0150 | Beta | Jun 18, 2001 | Jun 25, 2001 | Jul 9, 2001 |
| № 9500 | N11 | W35 | 03 | 0010 | Beta | Jun 18, 2001 | Jun 25, 2001 | Jul 9, 2001 |
| № 9498 | N22 | W62 | 03 | 0010 | Alpha | Jun 16, 2001 | Jun 23, 2001 | Jul 7, 2001 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1972 to June 2001. The gray background is the average SSN index.