Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on August 2, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 9566 | N17 | E64 | 04 | 0040 | Beta | Aug 8, 2001 | Aug 15, 2001 | Aug 28, 2001 |
| № 9565 | N04 | E23 | 03 | 0010 | Beta | Aug 5, 2001 | Aug 11, 2001 | Aug 25, 2001 |
| № 9564 | N14 | W39 | 02 | 0020 | Beta | Jul 31, 2001 | Aug 7, 2001 | Aug 20, 2001 |
| № 9563 | N24 | E45 | 01 | 0000 | Alpha | Aug 6, 2001 | Aug 13, 2001 | Aug 27, 2001 |
| № 9562 | N05 | E45 | 07 | 0120 | Beta | Aug 6, 2001 | Aug 13, 2001 | Aug 27, 2001 |
| № 9561 | S12 | E38 | 09 | 0110 | Beta | Aug 6, 2001 | Aug 13, 2001 | Aug 26, 2001 |
| № 9557 | S19 | W02 | 12 | 0080 | 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.
