Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on August 1, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 9563 | N24 | E57 | 01 | 0010 | Alpha | Aug 6, 2001 | Aug 13, 2001 | Aug 27, 2001 |
| № 9562 | N06 | E58 | 06 | 0210 | Beta | Aug 6, 2001 | Aug 13, 2001 | Aug 27, 2001 |
| № 9561 | S12 | E49 | 11 | 0100 | Beta | Aug 6, 2001 | Aug 13, 2001 | Aug 26, 2001 |
| № 9559 | S22 | W38 | 02 | 0010 | Beta | Jul 30, 2001 | Aug 6, 2001 | Aug 20, 2001 |
| № 9557 | S20 | E08 | 15 | 0120 | Beta | Aug 3, 2001 | Aug 10, 2001 | Aug 23, 2001 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1972 to August 2001. The gray background is the average SSN index.
