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) | |
|---|---|---|---|---|---|---|---|---|
| № 9550 | N08 | E38 | 02 | 0010 | Beta | Jul 23, 2001 | Jul 30, 2001 | Aug 12, 2001 |
| № 9549 | S04 | E57 | 01 | 0020 | Alpha | Jul 24, 2001 | Jul 31, 2001 | Aug 14, 2001 |
| № 9548 | N17 | E50 | 02 | 0020 | Beta | Jul 24, 2001 | Jul 31, 2001 | Aug 13, 2001 |
| № 9547 | S16 | W22 | 02 | 0010 | Beta | Jul 18, 2001 | Jul 25, 2001 | Aug 8, 2001 |
| № 9546 | S17 | E32 | 06 | 0060 | Beta-Gamma | Jul 22, 2001 | Jul 29, 2001 | Aug 12, 2001 |
| № 9545 | N09 | W08 | 03 | 0030 | Beta | Jul 19, 2001 | Jul 26, 2001 | Aug 9, 2001 |
| № 9544 | N15 | W38 | 04 | 0010 | Beta | Jul 17, 2001 | Jul 24, 2001 | Aug 7, 2001 |
| № 9543 | S23 | E34 | 12 | 0270 | Beta | Jul 23, 2001 | Jul 30, 2001 | Aug 12, 2001 |
| № 9542 | N08 | E26 | 04 | 0020 | Beta | Jul 22, 2001 | Jul 29, 2001 | Aug 11, 2001 |
| № 9541 | N18 | E02 | 05 | 0100 | Beta | Jul 20, 2001 | Jul 27, 2001 | Aug 10, 2001 |
| № 9539 | S19 | W58 | 06 | 0140 | Beta | Jul 16, 2001 | Jul 22, 2001 | Aug 5, 2001 |
| № 9538 | N17 | W11 | 01 | 0180 | Alpha | Jul 19, 2001 | Jul 26, 2001 | Aug 9, 2001 |
| № 9537 | S08 | W54 | 04 | 0050 | Beta | Jul 16, 2001 | Jul 23, 2001 | Aug 5, 2001 |
| № 9535 | N06 | W31 | 01 | 0100 | Alpha | Jul 18, 2001 | Jul 24, 2001 | Aug 7, 2001 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1972, January to 2001, July. Gray background - average solar cycle.
