Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on July 11, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 9535 | N10 | E78 | 01 | 0090 | Alpha | Jul 18, 2001 | Jul 25, 2001 | Aug 7, 2001 |
| № 9534 | N18 | E70 | 02 | 0020 | Beta | Jul 17, 2001 | Jul 24, 2001 | Aug 7, 2001 |
| № 9533 | S09 | E19 | 06 | 0040 | Beta | Jul 13, 2001 | Jul 20, 2001 | Aug 3, 2001 |
| № 9532 | N07 | W73 | 01 | 0010 | Alpha | Jul 6, 2001 | Jul 13, 2001 | Jul 27, 2001 |
| № 9531 | S06 | W06 | 16 | 0140 | Beta-Gamma | Jul 11, 2001 | Jul 18, 2001 | Aug 1, 2001 |
| № 9530 | S18 | W78 | 01 | 0010 | Alpha | Jul 6, 2001 | Jul 13, 2001 | Jul 26, 2001 |
| № 9529 | N07 | W21 | 06 | 0080 | Beta | Jul 10, 2001 | Jul 17, 2001 | Jul 31, 2001 |
| № 9527 | S18 | W42 | 03 | 0030 | Beta | Jul 9, 2001 | Jul 16, 2001 | Jul 29, 2001 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1972 to July 2001. The gray background is the average SSN index.