Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on July 25, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 9555 | S09 | E52 | 02 | 0000 | Beta | Jul 30, 2001 | Aug 6, 2001 | Aug 20, 2001 |
| № 9554 | N16 | W64 | 02 | 0010 | Beta | Jul 21, 2001 | Jul 28, 2001 | Aug 11, 2001 |
| № 9553 | N12 | E18 | 08 | 0020 | Beta | Jul 28, 2001 | Aug 3, 2001 | Aug 17, 2001 |
| № 9548 | N17 | W34 | 03 | 0070 | Beta | Jul 24, 2001 | Jul 30, 2001 | Aug 13, 2001 |
| № 9546 | S14 | W61 | 02 | 0010 | Beta | Jul 22, 2001 | Jul 28, 2001 | Aug 11, 2001 |
| № 9545 | N08 | W88 | 02 | 0100 | Alpha | Jul 20, 2001 | Jul 26, 2001 | Aug 9, 2001 |
| № 9543 | S23 | W47 | 32 | 0350 | Beta-Gamma | Jul 23, 2001 | Jul 30, 2001 | Aug 12, 2001 |
| № 9541 | N18 | W80 | 01 | 0010 | Alpha | Jul 20, 2001 | Jul 27, 2001 | Aug 10, 2001 |
| № 9538 | N15 | W93 | 01 | 0090 | Alpha | Jul 19, 2001 | Jul 26, 2001 | Aug 9, 2001 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1972 to July 2001. The gray background is the average SSN index.
