Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on August 7, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 9571 | N05 | E80 | 01 | 0060 | Alpha | Aug 14, 2001 | Aug 21, 2001 | Sep 3, 2001 |
| № 9570 | S10 | E63 | 01 | 0140 | Alpha | Aug 13, 2001 | Aug 19, 2001 | Sep 2, 2001 |
| № 9569 | S17 | W02 | 09 | 0050 | Beta | Aug 8, 2001 | Aug 15, 2001 | Aug 28, 2001 |
| № 9568 | S20 | W87 | 01 | 0000 | Alpha | Aug 1, 2001 | Aug 8, 2001 | Aug 22, 2001 |
| № 9567 | S14 | W42 | 09 | 0060 | Beta | Aug 5, 2001 | Aug 11, 2001 | Aug 25, 2001 |
| № 9566 | N17 | W06 | 16 | 0150 | Beta | Aug 7, 2001 | Aug 14, 2001 | Aug 28, 2001 |
| № 9563 | N23 | W19 | 23 | 0390 | Beta-Gamma | Aug 6, 2001 | Aug 13, 2001 | Aug 27, 2001 |
| № 9562 | N05 | W24 | 05 | 0020 | Beta | Aug 6, 2001 | Aug 13, 2001 | Aug 26, 2001 |
| № 9561 | S11 | W33 | 01 | 0020 | Alpha | Aug 5, 2001 | Aug 12, 2001 | Aug 26, 2001 |
| № 9557 | S20 | W62 | 16 | 0550 | Beta-Gamma | Aug 3, 2001 | Aug 10, 2001 | Aug 24, 2001 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1972 to August 2001. The gray background is the average SSN index.
