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) | |
|---|---|---|---|---|---|---|---|---|
| № 9559 | S25 | E14 | 05 | 0010 | Beta | Jul 30, 2001 | Aug 6, 2001 | Aug 20, 2001 |
| № 9557 | S18 | E58 | 01 | 0070 | Alpha | Aug 2, 2001 | Aug 9, 2001 | Aug 23, 2001 |
| № 9553 | N12 | W18 | 21 | 0110 | Beta | Jul 28, 2001 | Aug 3, 2001 | Aug 17, 2001 |
| № 9550 | N09 | W78 | 01 | 0010 | Alpha | Jul 23, 2001 | Jul 30, 2001 | Aug 12, 2001 |
| № 9548 | N16 | W71 | 01 | 0070 | Alpha | Jul 24, 2001 | Jul 30, 2001 | Aug 13, 2001 |
| № 9543 | S25 | W82 | 07 | 0190 | Beta-Gamma | Jul 23, 2001 | Jul 30, 2001 | Aug 13, 2001 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1972, January to 2001, July. Gray background - average solar cycle.
