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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on August 3, 2011. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1265 | N16 | W78 | 01 | 0005 | Alpha | Jul 29, 2011 | Aug 5, 2011 | Aug 18, 2011 |
| № 1263 | N17 | E10 | 25 | 0560 | Beta-Gamma-Delta | Aug 5, 2011 | Aug 11, 2011 | Aug 25, 2011 |
| № 1261 | N15 | W19 | 25 | 0390 | Beta-Gamma-Delta | Aug 2, 2011 | Aug 9, 2011 | Aug 23, 2011 |
| № 1260 | N19 | W47 | 07 | 0300 | Beta | Jul 31, 2011 | Aug 7, 2011 | Aug 21, 2011 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1982 to August 2011. The gray background is the average SSN index.
