Active areas
Sunspots and active regions
By the end of the day, the following active regions with sunspots could be observed on the Sun's surface
| Group ID | Location | Number of sunspots | Area (msh) | Type | CM Passage | Disappearance (W90) | Reappearance (W270) | |
|---|---|---|---|---|---|---|---|---|
| № 9538 | N17 | E86 | 01 | 0030 | Alpha | Jul 20, 2001 | Jul 26, 2001 | Aug 9, 2001 |
| № 9537 | S07 | E39 | 06 | 0030 | Beta | Jul 16, 2001 | Jul 23, 2001 | Aug 5, 2001 |
| № 9536 | N11 | E40 | 04 | 0030 | Beta | Jul 16, 2001 | Jul 23, 2001 | Aug 5, 2001 |
| № 9535 | N06 | E63 | 01 | 0120 | Alpha | Jul 18, 2001 | Jul 25, 2001 | Aug 7, 2001 |
| № 9533 | S09 | E03 | 05 | 0020 | Beta | Jul 13, 2001 | Jul 20, 2001 | Aug 3, 2001 |
| № 9531 | S06 | W20 | 10 | 0100 | Beta | Jul 11, 2001 | Jul 18, 2001 | Aug 1, 2001 |
| № 9529 | N06 | W36 | 04 | 0060 | Beta-Gamma | Jul 10, 2001 | Jul 17, 2001 | Jul 31, 2001 |
| № 9527 | S19 | W55 | 04 | 0020 | Beta | Jul 9, 2001 | Jul 16, 2001 | Jul 29, 2001 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1972, January to 2001, July. Gray background - average solar cycle.
